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S31803 Seamless Duplex Steel Tubes are known for their superior strength and outstanding corrosion resistance. These seamless steel tubes excel in a variety of applications such as offshore and marine engineering, chemical processing, and oil and gas exploration. They offer excellent resistance to pitting, crevice corrosion and stress corrosion cracking, ensuring the integrity of critical structures and systems. In addition, they are mechanically robust and easy to fabricate and weld, making them a reliable choice for a wide range of engineering projects.
YS（Mpa） | TS(Mpa) | EL | HB | |
S31803 | ≥450 | ≥620 | ≥25 | ≤290 |
Grade | S31803,2205 |
Standard | ASTM A790 |
Size | OD:13.7-457.2mm |
WT:2.11--23.83mm | |
Length:6M,12M,5-7Mrandom length,According to customer requirements | |
Process | Cold drawn,cold rolled |
Package | Woven bags |
End | PE/BE |
Application | a) Petroleum |
b) Chemical industry | |
c) Instrument | |
d) Industrial transportation | |
e) Mechanical structure industry | |
f) Need high corrosion ability pipe's industry, such as offshore industry etc |
1 . Price Term : FOB , CFR , CIF or as negotiation
2 . Payment : T / T , L / C or as negotiation
3 . Delivery time : 2 weeks after received your deposit ( Normally according to the order quantity )
4 . Package : woven bag or as per customer’s requirement