Nanjing World Special Steel Co., Ltd. is a leading manufacturer of seamless pipes and tubes with annual capacity of 10000 tons in material of Stainless Steel, Nickel Alloys, Duplex & Super Duplex. We boast advanced production equipments and sophisticated production technology. We have complete lines of cold drawing benches ,including two imported hydraulic benches for big OD pipes, cold pilger mills, natural gas heat treatment furnace, etc, which are necessitated for producing good quality pipe and tube. In order to guarantee 100% customer satisfaction, We invest heavily in the testing instruments.,just to name a few, Thermo Fisher stationary spectrometer, Niton XL3 handheld analyzer, universal tensile tester, inter-granular corrosion testing instrument, metallographic tester, hardness tester, impact tester, eddy current tester, ultrasonic tester, hydrostatic tester.

 

　　Specifications  
　　ASTM / ASME  A/SA213 / 269 / 312 / 376 / 789 / 790 / 511
　　ASTM / ASME B/SB 163 / 165 / 167 / 622
　　EN10216-5 / DIN17458 , DIN17456, DIN2462
　　GOST 9941-81,ТУ14-158-135-2003

　　Range and Material
　　OD: 5mm - 610mm
　　WT: 0.5mm - 45mm
　　Grades:  304/304L/H/LN, 316/316L/H/LN/Ti, 317/317L/LN, 321/H, 309S, 310S, 347/347H, 904L, UNS S31803, UNS S32760, 600H, 800H.

　　we have established high standard quality assurance system and obtained the following approvals:
　　PED 97/23/EC by TUV
　　AD 2000-Merkblatt W0/TRD100 by TUV
　　China Classification Society-CCS
　　Lloyd Register-LR
　　Germanischer Lloyd-GL
　　ABS
　　Det Norske Veritas-DNV
       Bureau Veritas-BV
　　

Our products are widely used in Automotive, fertilizer, Pharmaceutics, Precision Mechanical engineering, Shipbuilding and Offshore, Hydraulic control and Instrumentation, Power Plant, Nuclear Power Plant, Pulp and Paper, Petrochemical, Oil and Gas industries. our products were exported  to over 30 countries such as Germany、 Italy 、England 、Canada , America, Russia, Singapore and some high profile projects.　

　

　　STAINLESS　Business ethics and product quality
　　STEEL　　　Delivery time
　　SEAMLESS　Service