Duplex 2205 pipe and Super duplex pipe are our strength product. Duplex steel is an austenite-ferrite dual phase stainless steel, it is developed for applications that demand high strength and corrosion resistance.  Duplex stainless steel pipe is a cost effective solution for many applications where the 300 series stainless steel pipe are susceptible to chloride stress corrosion cracking. Duplex 2205 and super duplex 2507 stainless steel pipe is an idea choice for the applications which require exceptional strength and corrosion resistance, such as chemical process, petrochemical, and seawater equipment. We supply duplex 2205 (S31803) and super duplex 2507 (S32750) pipe and tube according to ASTM A790, ASTM A789, EN 10216-5 etc.

Zhejiang Xintongda Special Steel Manufacturing Co.,Ltd. is located in Songyang, Zhejiang province of China. Itis a large- scale seamlesspipes & tubes manufacturer in materials of duplex stainless steel 2205,UNS 31803; super duplex stainless steel 2507,UNS 32750. UNS32760austentic stainless steel 310S, 904L,316Ti, 317L, 347H, nickle-based and high temperature resistance alloy steel Incoloy 800, Incone1600,Hastelloy C276, ect. We have more than 20 cold-drawn and cold-rolled production machines which can achieve about 12000mt annual outputOur products comply with ASTM A312,ASTM A789, ASTM A790, GB/T13296-2013, GB/T14976- 2013,ect.
 

Size range:
OD: 18"--20"(6mm--530mm)
WT: 10S- -XXS (1mm-- 30mm)
Length: 15m max
"Surviving on quality, developing on benefits, serving customers with honesty and trustworthiness" is our motto. We are looking forward toestablishing long-term and win-win relationship.