119755 ⎘
Ferrous alloys, e.g. steel alloys containing silicon
High-strength cold-rolled steel sheet and method for producing the same
#5402Method for manufacturing duplex stainless steel sheet having reduced inclusions
#5403Pyrolysis furnace tubes
#5404Spot welded joint using high strength and high forming steel and its production method
#5405Article for magnetic heat exchange and method of manufacturing the same
#5406Method for manufacturing duplex stainless steel sheet having high nitrogen content and good surface quality
#5407GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING THE SAME
#5408R-T-B based sintered magnet and motor
#5409Seamless steel pipe for line pipe
#5410CARBURIZED ALLOY STEEL HAVING SUPERIOR DURABILITY AND METHOD OF MANUFACTURING THE SAME
#5411HIGH-STRENGTH PLATED STEEL SHEET HAVING SUPERIOR PLATING PROPERTIES, WORKABILITY, AND DELAYED FRACTURE RESISTANCE, AND METHOD FOR PRODUCING SAME
#5412Stainless steel for polymer fuel cell separator and method for preparing same
#5413Ferritic stainless steel foil
#5414Steel for nitrocarburizing, nitrocarburized steel part, and producing method of nitrocarburized steel part
#5415Steel component provided with a metallic coating giving protection against corrosion
#5416Method for manufacturing a high-strength galvanized steel sheet having excellent formability and crashworthiness
#5417Steel sheet having very high mechanical properties of strength and ductility
#5418Steel sheet for can and method for manufacturing the same
#5419Low alloy oil well steel pipe and method for manufacturing same
#5420Hot-pressed member and method of manufacturing the same
#5421Soft magnetic core having excellent high-current DC bias characteristics and core loss characteristics and method of manufacturing same
#5422Sliding member, chain link, and chain comprising said link
#5423METHOD FOR HEAT-TREATING A RING-SHAPED MEMBER, METHOD FOR PRODUCING A RING-SHAPED MEMBER, RING-SHAPED MEMBER, BEARING RING, ROLLING BEARING, AND METHOD FOR PRODUCING A BEARING RING
#5424Tapered roller bearing
#5425Heat resistant cast steel having superior high temperature strength and oxidation resistance
#5426HYPEREUTECTIC WHITE IRON ALLOYS COMPRISING CHROMIUM AND NITROGEN AND ARTICLES MADE THEREFROM
#5427Hot-rolled steel having excellent workability and anti-aging properties
#5428Heavy wall electric resistance welded steel pipe for line pipe and method for manufacturing the same
#5429METAL SINTERING FILM COMPOSITIONS
#5430Composite magnetic material, coil component using same, and power supply device
#5431Spring steel with excellent fatigue resistance and method of manufacturing the same
#5432Method of manufacturing hot-pressed member
#5433Carburized component
#5434Controlling Liquid Metal Embrittlement In Galvanized Press-Hardened Components
#5435High ductility steel alloys with mixed microconstituent structure
#5436Bearing steel having improved fatigue durability and method of manufacturing the same
#5437Steel rod and high strength steel wire having superior ductility and methods of production of same
#5438High carbon steel wire rod and method for manufacturing same
#5439Method for producing journal part of 9 to 12% Cr steel turbine rotor, and journal part produced by the method
#5440High-carbon hot-rolled steel sheet and method for manufacturing the same
#5441High-carbon hot-rolled steel sheet and method for producing the same
#5442Process and Installation for Producing a Press-Hardened Sheet Steel Component
#5443Hot-stamped part and method of manufacturing the same
#5444BEARING STEEL HAVING IMPROVED FATIGUE DURABILITY AND METHOD OF MANUFACTURING THE SAME
#5445Steel sheet for hot press-forming
#5446FILLER FOR THE WELDING OF MATERIALS FOR HIGH-TEMPERATURE APPLICATIONS
#5447Soft magnetic alloy, wireless power transmitting apparatus, and wireless power receiving apparatus including the same
#5448Materials of construction for use in high pressure hydrogen storage in a salt cavern
#5449MATERIALS OF CONSTRUCTION FOR USE IN HIGH PRESSURE HYDROGEN STORAGE IN A SALT CAVERN
#5450Method for producing an energy-storing container made of lightweight steel
#5451Cold work tool steel with outstanding weldability
#5452Powder
#5453MATERIALS OF CONSTRUCTION FOR USE IN HIGH PRESSURE HYDROGEN STORAGE IN A SALT CAVERN
#5454MATERIALS OF CONSTRUCTION FOR USE IN HIGH PRESSURE HYDROGEN STORAGE IN A SALT CAVERN
#5455High strength hot rolled steel sheet having tensile strength of 780 MPa or more
#5456SOFT MAGNETIC ALLOY AND SHIELDING SHEET FOR ANTENNA COMPRISING THE SAME
#5457High strength hot rolled steel sheet and method for manufacturing the same
#5458Abrasion-resistant steel material excellent in fatigue characteristics and method for manufacturing same
#5459PRECIPITATION-HARDENED STAINLESS STEEL ALLOYS
#5460Grain-oriented electrical steel sheet and transformer iron core using same
#5461Grain-oriented electric steel sheet having superior magnetic property
#5462STEEL SHEET FOR STEEL BELT AND PROCESS FOR MANUFACTURING SAME, AND STEEL BELT
#5463Bearing component and rolling bearing
#5464Bearing component and rolling bearing
#5465Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and methods of manufacturing the same
#5466Rapid Nitriding Through Nitriding Potential Control
#5467Cold-rolled steel sheet, galvanized cold-rolled steel sheet and method of manufacturing the same
#5468METHOD FOR PRODUCING A COMPONENT BY HOT FORMING A PRE-PRODUCT MADE OF STEEL
#5469Si-killed steel wire rod and spring
#5470A WIRE ROD HAVING TENSILE STRENGTH OF 950 TO 1600MPa FOR MANUFACTURING A STEEL WIRE FOR A PEARLITE STRUCTURE BOLT, A STEEL WIRE HAVING TENSILE STRENGTH OF 950 TO 1600MPa FOR A PEARLITE STRUCTURE BOLT, A PEARLITE STRUCTURE BOLT, AND MANUFACTURING METHOD FOR THE SAME
#5471Component for a timepiece movement
#5472Bearing component and rolling bearing
#5473Bearing component and rolling bearing
#5474Carburized component and method for manufacturing same
#5475Non-magnetic alloy forgings
#5476Hot stamp molded body, and method for producing hot stamp molded body
#5477HT550 steel plate with ultrahigh toughness and excellent weldability and manufacturing method of the same
#5478Soft nitrided induction hardened steel part
#5479Method for producing components from lightweight steel
#5480Apparatuses, systems and methods for three-dimensional printing
#5481Duplex ferritic austenitic stainless steel
#5482HOT-WORK TOOL STEEL AND A PROCESS FOR MAKING A HOT-WORK TOOL STEEL
#5483Ferritic stainless steel sheet, method for the production thereof, and use of the same, especially in exhaust lines
#5484Method for producing a stainless steel diffusion-bonded product
#5485Process for producing grain-oriented electrical steel strip
#5486Process for producing grain-oriented electrical steel strip and grain-oriented electrical steel strip obtained according to said process
#5487Process for producing grain-oriented electrical steel strip and grain-oriented electrical steel strip obtained according to said process
#5488High-formability and super-strength hot galvanizing steel plate and manufacturing method thereof
#5489Rolling bearing
#5490GEAR AND METHOD FOR MANUFACTURING THE SAME
#5491Process for producing grain-oriented electrical steel strip and grain-oriented electrical steel strip obtained according to said process
#5492Heat treatment apparatus and heat treatment method
#5493High-chromium heat-resistant steel
#5494Production method for plated steel sheet using a steel sheet annealing device
#5495Heat-treated steel material and method of manufacturing the same
#5496Method for manufacturing high-strength galvannealed steel sheet
#5497GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING THE SAME
#5498Hot rolled ferritic stainless steel sheet for cold rolling raw material
#5499HIGH-STRENGTH SPRING STEEL HAVING EXCELLENT WIRE-ROD ROLLING PROPERTIES
#5500Steel plate resistant to zinc-induced crack and manufacturing method therefor
#5501Method for continuously casting slab
#5502Method for producing magnetic material
#5503Electrical transformer assembly
#5504Rolled round steel material for steering rack bar and steering rack bar
#5505AUSTENITIC FE-CR-NI ALLOY FOR HIGH TEMPERATURE
#5506Steel material, material processing method, and material processing apparatus
#5507Pearlitic rail and method for manufacturing pearlitic rail
#5508High-strength steel sheet and method for producing the same
#5509Stainless steel substrate for solar cell having superior insulating properties and low thermal expansion coefficient and method of producing the same
#5510BEARING COMPONENT
#5511Method for manufacturing superior 13Cr friction-welded drillrod
#5512Thermal Spray Coating for Mechanical Face Seals
#5513NON-ORIENTED ELECTRICAL STEEL SHEET HAVING AN EXCELLENT HIGH-FREQUENCY IRON LOSS PROPERTY
#5514HIGH STRENGTH HOT ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME (AS AMENDED)
#5515Steel sheet
#5516Abrasion resistant steel plate having excellent low-temperature toughness and method for manufacturing the same
#5517Welding method and weld structure
#5518Urea synthesis method
#5519Galvanized steel sheet and method for producing the same
#5520POWDER FOR MAGNETIC CORE, METHOD OF PRODUCING DUST CORE, DUST CORE, AND METHOD OF PRODUCING POWDER FOR MAGNETIC CORE
#5521HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD FOR PRODUCING THE SAME (AS AMENDED)
#5522Austenitic heat-resistant cast steel and method for manufacturing the same
#5523STEEL PRODUCT AND METHOD OF PRODUCING THE PRODUCT
#5524Method for manufacturing superior 13Cr tool coupler
#5525Hot-dip galvannealed steel sheet for hot stamping and method for manufacturing steel part
#5526LASER CLADDING MECHANICAL FACE SEALS
#5527FERRITIC STAINLESS STEEL FOIL FOR SOLAR CELL
#5528CASE-HARDENING STEEL AND CASE-HARDENED STEEL MEMBER
#5529STEEL STRUCTURE FOR HYDROGEN GAS, MEHTOD FOR PRODUCING HYDROGEN STORAGE TANK, AND METHOD FOR PRODUCING HYDROGEN LINE PIPE (AS AMENDED)
#5530Case hardening steel
#5531PEARLITIC STEEL RAIL WITH HIGH STRENGTH AND TOUGHNESS AND PRODUCING METHOD THEREOF
#5532Plated steel sheet for hot pressing, hot pressing method for plated steel sheet, and automobile part
#5533Steel sheet and method for producing same
#5534HIGH STRENGTH HOT-ROLLED STEEL SHEET AND METHOD OF PRODUCING THE SAME
#5535Hot-stamped steel, cold-rolled steel sheet and method for producing hot-stamped steel
#5536Abrasion resistant steel plate having excellent low-temperature toughness and hydrogen embrittlement resistance and method for manufacturing the same
#5537Piercing plug and manufacturing method of piercing plug
#5538Steel material, hydrogen container, method for producing the steel material, and method for producing the hydrogen container
#5539Steel plate for thick-walled steel pipe, method for manufacturing the same, and thick-walled high-strength steel pipe
#5540Hot-rolled ferritic stainless-steel plate, process for producing same, and steel strip
#5541Low-oxygen clean steel and low-oxygen clean steel product
#5542Steel sheet and manufacturing method therefor
#5543Method for making clad metal pipe
#5544H-section steel and method of producing the same
#5545Methods of fabricating a precoated steel plate
#5546High-strength galvannealed steel sheet and method for manufacturing the same
#5547Method for manufacturing superior 13Cr thickened drillrod
#5548High-strength galvanized steel sheet and method for manufacturing the same
#5549Non-oriented electrical steel sheet having excellent magnetic properties
#5550Wear resistant vapor deposited coating, method of coating deposition and applications therefor
#5551High strength thin steel sheet for the superior press formability and surface quality and galvanized steel sheet and method for manufacturing the same
#5552Thick steel sheet having excellent CTOD properties in multilayer welded joints, and manufacturing method for thick steel sheet
#5553High-strength low-specific-gravity steel sheet having superior spot weldability
#5554Steel for blades and method for producing the same
#5555Surface hardenable stainless steels
#5556Press-formed article and method for manufacturing same
#5557Plow blade
#5558Non-oriented electrical steel sheet and manufacturing method thereof
#5559Polymer ammunition having a MIM primer insert
#5560COMPONENT CONFIGURED FROM MARTENSITIC STAINLESS STEEL
#5561High-strength plated steel plate for welded structural member, and method for producing the same
#5562Turbocharger turbine housings formed from the stainless steel alloys, and methods for manufacturing the same
#5563High-performance low-alloy wear-resistant steel plate and method of manufacturing the same
#5564STEEL SHEET FOR NITRIDING AND PRODUCTION METHOD THEREFOR
#5565Method for producing steel for blades
#5566Work hardenable yield ratio-controlled steel and method of manufacturing the same
#5567METHOD FOR BONDING STAINLESS STEEL MEMBERS AND STAINLESS STEEL
#5568Hot-dip zinc alloy coated steel sheet excellent in coating adhesion, and method for producing the same
#5569CHROMIUM FREE HARDFACING MATERIALS
#5570Hot rolled ferritic stainless steel sheet, method for producing same, and method for producing ferritic stainless steel sheet
#5571Coiled tube with varying mechanical properties for superior performance and methods to produce the same by a continuous heat treatment
#5572Impact resistant hardfacing and alloys and methods for making the same
#5573Hardfacing alloys resistant to hot tearing and cracking
#5574High strength steel sheet excellent in delayed fracture resistance and low temperature toughness, and high strength member manufactured using the same
#5575System and method for producing a hardened and tempered structural member
#5576Process for producing a casing for a roller press
#5577NON-ORIENTED ELECTRICAL STEEL SHEET HAVING EXCELLENT HIGH-FREQUENCY IRON LOSS PROPERTY
#5578Method for producing grain-oriented electrical steel sheet
#5579High strength galvanized steel sheet having excellent bendability and weldability, and method of manufacturing the same
#5580HIGH STRENGTH HOT DIP GALVANISED COMPLEX PHASE STEEL STRIP
#5581HIGH-STRENGTH GALVANIZED STEEL SHEET AND PRODUCTION METHOD THEREFOR
#5582Structural Steel For Through-Surface Hardening
#5583Cold-rolled flat steel product for deep drawing applications and method for production thereof
#5584Hot-rolled steel sheet and method for producing the same
#5585Hot-rolled steel sheet
#5586HARD WELD OVERLAYS RESISTANT TO RE-HEAT CRACKING
#5587Method for treating sheet metal
#5588Thick steel sheet having excellent CTOD properties in multilayer welded joints, and manufacturing method for thick steel sheet
#5589Method of making a dual hardness steel article
#5590Hardfacing process and parts produced thereby
#5591Process for manufacturing press-hardened coated steel parts and precoated sheets allowing these parts to be manufactured
#5592Ferritic stainless steel sheet exhibiting small increase in strength after aging heat treatment, and method of producing the same
#5593700Mpa-level high-strength hot rolling Q and P steel and manufacturing method thereof
#5594SOFT MAGNETIC COMPONENT STEEL MATERIAL HAVING EXCELLENT PICKLING PROPERTIES, SOFT MAGNETIC COMPONENT HAVING EXCELLENT CORROSION RESISTANCE AND MAGNETIC PROPERTIES, AND PRODUCTION METHOD THEREFOR
#5595Molybdenum disulfide coated non-ferrous and ferrous materials and methods for coating the non-ferrous and ferrous materials with molybdenum disulfide
#5596Method for producing grain-oriented electrical steel sheet
#5597Method for producing grain-oriented electrical steel sheet
#5598Steel material having excellent corrosion resistance and excellent magnetic properties and production method therefor
#5599HIGH-STRENGTH STEEL WIRE MATERIAL EXHIBITING EXCELLENT COLD-DRAWING PROPERTIES, AND HIGH-STRENGTH STEEL WIRE
#5600Thick steel plate and production method for thick steel plate
#5601Thick, tough, high tensile strength steel plate and production method therefor
#5602High-hardness low-alloy wear-resistant steel sheet and method of manufacturing the same
#5603PROCESSES FOR PRODUCING THICKER GAGE PRODUCTS OF NIOBIUM MICROALLOYED STEEL
#5604Die steel and method for producing same
#5605Heat treatment method for increasing the depth of hardening layer in a steel rail and steel rail obtained with the method
#5606Iron-carbon-manganese austenitic steel sheet
#5607Method of forming a steel part and steel part
#5608Process for manufacturing iron-carbon-maganese austenitic steel sheet with excellent resistance to delayed cracking
#5609Method for producing a cold-rolled flat steel product for deep-drawing and ironing applications, flat steel product, and use of a flat steel product of said type
#5610HOT PRESS MOLDING AND MANUFACTURING METHOD THEREFOR
#5611Ultrathin Alloys
#5612HIGH THERMAL DIFFUSIVITY, HIGH TOUGHNESS AND LOW CRACK RISK DURING HEAT TREATMENT TOOL STEEL
#5613Roughly shaped material for induction hardened components and method for producing same
#5614WELD METAL AND WELDED STRUCTURE PROVIDED WITH SAME
#5615Method of butt-welding a coated steel plate
#5616Precoated steel plate, welded blank, part and methods
#5617SOLID WIRE FOR GAS SHIELDED ARC WELDING, WELD METAL BY GAS SHIELDED ARC WELDING, WELDED JOINT, WELDMENT, WELDING METHOD, AND PRODUCTION METHOD OF WELDED JOINT
#5618COMPOSITE AND PREPARATION METHOD OF JOINING AMORPHOUS ALLOY MATERIAL TO HETEROGENEOUS MATERIAL
#5619Metal injection molded primer insert for polymer ammunition
#5620Method of making polymer ammunition having a wicking texturing
#5621Method of making a metal primer insert by injection molding
#5622Lightweight polymer ammunition cartridge casings
#5623Polymer ammunition cartridge having a wicking texturing
#5624BEARING PART AND ROLLING BEARING
#5625Hollow metal screw and method of making
#5626PROCESS OF MANUFACTURING HIGH-STRENGTH COLD ROLLED STEEL SHEETS
#5627High-strength steel sheet and production method therefor and high-strength galvanized steel sheet and production method therefor (as amended)
#5628Ferritic stainless steel sheet having excellent brazability, heat exchanger, ferritic stainless steel sheet for heat exchangers, ferritic stainless steel, ferritic stainless steel for members of fuel supply systems, and member of fuel supply system
#5629High-toughness low alloy wear-resistant steel sheet and method of manufacturing method thereof the same
#5630Weld metal and welded structure
#5631High strength, high toughness steel alloy
#5632High strength, hot dipped galvanized steel sheet excellent in shapeability and method of production of same
#5633High-strength steel wire material exhibiting excellent cold-drawing properties, and high-strength steel wire
#5634Method for producing a corrosion-resistant steel sheet
#5635Process for treating steel alloys for gears
#5636Method for heat-treating a manganese steel product and manganese steel product
#5637HOT-ROLLED STEEL SHEET HAVING EXCELLENT DRAWABILITY AND POST-PROCESSING SURFACE HARDNESS
#5638WELDING FILLER MATERIAL FOR BONDING DIFFERENT KIND MATERIALS, AND METHOD FOR PRODUCING DIFFERENT KIND MATERIAL WELDED STRUCTURE
#5639IRON-BASED SOFT MAGNETIC MATERIAL AND IRON-BASED SOFT MAGNETIC CORE
#5640Non-thermal refined soft-nitrided component
#5641Austenitic Fe—Ni—Cr alloy
#5642Cold-rolled flat steel product for deep drawing applications and method for production thereof
#5643AIR-HARDENABLE BAINITIC STEEL WITH ENHANCED MATERIAL CHARACTERISTICS
#5644Method for producing an ultra high strength material with high elongation
#5645METHOD FOR DOUBLE ALLOYING AND NANOPHASE MODIFICATION OF STEEL BY ATOMIC NITROGEN
#5646Ferritic stainless steel sheet having excellent heat resistance
#5647FERRITIC STAINLESS STEEL SHEET WHICH IS EXCELLENT IN WORKABILITY AND METHOD OF PRODUCTION OF SAME
#5648Steel wire for spring and method for manufacturing same
#5649Hot-rolled steel sheet
#5650Method for producing high elastic limit nonmagnetic steel material using an austenitic stainless steel sheet
#5651Iron powder for dust core and insulation-coated iron powder for dust core
#5652COMPOSITE MAGNETIC MATERIAL
#5653SI-KILLED STEEL WIRE ROD HAVING EXCELLENT FATIGUE PROPERTIES, AND SPRING USING SAME
#5654Clutch plate for multiplate wet clutch and method of manufacturing the same
#5655Highly wear-resistant valve seat for use in internal combustion engine
#5656Electric Resistance Welded Steel Pipe
#5657WELD METAL AND WELDED STRUCTURE
#5658Cobalt-free, galling and wear resistant austenitic stainless steel hard-facing alloy
#5659Nano-pearlite rail and process for manufacturing same
#5660Cold-rolled steel plate and method of manufacturing the same
#5661High-strength cold-rolled steel sheet having excellent bendability
#5662HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME (AS AMENDED)
#5663Cold-rolled steel plate and method of manufacturing the same
#5664HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
#5665HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
#5666HOT-ROLLED STEEL SHEET FOR HIGH STRENGTH LINEPIPE HAVING TENSILE STRENGTH OF 540 MPA OR MORE
#5667HOT-ROLLED STEEL SHEET FOR HIGH STRENGTH LINEPIPE
#5668METHOD AND FACILITY FOR MANUFACTURING SEAMLESS STEEL PIPE WITH EXCELLENT TOUGHNESS
#5669Method for repairing break of universal connecting rod of universal coupling
#5670Method for the production of high-wear-resistance martensitic cast steel and steel with said characteristics
#5671Welding wire for Fe—36Ni alloy
#5672Apparatuses, systems and methods for three-dimensional printing
#5673Apparatuses, systems and methods for three-dimensional printing
#5674Apparatuses, systems and methods for three-dimensional printing
#5675Apparatuses, systems and methods for three-dimensional printing
#5676Apparatuses, systems and methods for three-dimensional printing
#5677Apparatuses, systems and methods for three-dimensional printing
#5678Manufacturing method of rare earth magnet based on heat treatment of fine powder
#5679H-SECTION STEEL AND METHOD OF PRODUCING THE SAME
#5680Apparatus and method for nitriding grain-oriented electrical steel sheet
#5681Forced water cooling of thick steel wires
#5682Process for manufacturing a profiled steel wire
#5683Steel for tracked undercarriage component, and track link
#5684Hypoeutectoid bearing steel
#5685Hot stamping product with enhanced toughness and method for manufacturing the same
#5686High strength steel plate and manufacturing method thereof
#5687Cold-rolled steel plate and method of manufacturing the same
#5688Continuous annealing device and continuous hot-dip galvanising device for steel strip
#5689Continuous annealing device and continuous hot-dip galvanising device for steel strip
#5690780MPa cold-rolled duel-phase strip steel and method for manufacturing the same
#5691500 MPA grade longitudinally-welded steel pipe with low yield ratio and manufacturing method therefor
#5692METHOD FOR THE PRODUCTION OF AN ALUMINIZED PACKAGING STEEL
#5693Flux-cored wire, welding method using flux-cored wire, method for manufacturing weld joint using flux-cored wire, and weld joint
#5694Method for producing a flat steel product with an amorphous, partially amorphous or fine-crystalline microstructure and flat steel product with such characteristics
#5695Method for producing semi-processed non-oriented electrical steel sheet having excellent magnetic properties
#5696Forged component, method for manufacturing the same, and connecting rod
#5697Highly corrosion-resistant, high strength, A1-containing weathering steel plate and process of manufacturing same
#5698Ultra high obdurability steel plate having low yield ratio and process of manufacturing same
#5699Fe-Ni-based alloy having excellent high-temperature characteristics and hydrogen embrittlement resistance characteristics, and method for producing the same
#5700DUPLEX STAINLESS STEEL MATERIAL AND DUPLEX STAINLESS STEEL PIPE