UNS S31803 seamless duplex stainless steel pipe application:Food industry, papermaking industry, power plant flue gas desulfurization equipment, offshore oil platform, desalting equipment special chemical environment equipment such as: oil pipeline and equipment.
S31803 chemical composition (%) :
S31803 |
C |
Mn |
N |
Ni |
Si |
Mo |
Cr |
P |
S |
|
Min |
|
|
0.08 |
4.5 |
|
2.5 |
21.0 |
|
|
|
Max |
0.030 |
2.00 |
0.20 |
6.5 |
1.00 |
3.5 |
23.0 |
0.030 |
0.20 |
S31803 mechanical properties :
0.2%Yield strength（N/m²） |
Tensile strength(N/mm²) |
Elongation（%） |
Hardness (HB) |
|
≧450 |
≧620 |
≧25 |
≦293 |
S31803 duplex stainless steel is chromium from 21%, 21% nitrogen and 4.5% molybdenum nickel alloy consisting of duplex stainless steel.It has high strength, good impact toughness and good overall and partial stress corrosion resistance,This alloy is particularly suited to - + 50 ° F / 600 ° F temperature range.
Product type: Hot rolled welded steel tube,seamless pipe, stainless steel material
Process: Cold finished or hot finished.
Size: according to order
Stock: Available
MTC: Available
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