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 equipment 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,??14-158-135-2003
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.
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