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 S31803 Duplex stainless steel seamless pipe
S31803 Duplex stainless steel seamless pipe Alloy  310S TP310S Seamless Stainless Steel pipe
310S TP310S Seamless Stainless Steel pipe  304 Cold Drawn Stainless Steel Seamless Pipe
304 Cold Drawn Stainless Steel Seamless Pipe We ar |
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Baofeng Steel Group Co.,Ltd.
Key Contact: Ms. Susan He Tel: 0086-15805786050 Fax: 0086-578-8017518 E-Mail: hesufang1987@hotmail.com    |
| Mechanical Properties | ||||||
|
Item |
ASTM A213/A213M |
ASTM A312/A312M |
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|
Grade |
TP304 |
TP304L |
TP304 |
TP304L |
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|
TP316 |
TP316L |
TP316 |
TP316L |
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|
TP317 |
TP317L |
TP317 |
TP317L |
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|
TP347 |
TP347 |
TP310S |
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|
TP309H* |
TP310H* |
TP317* |
TP310H* |
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|
|
TP321H |
|
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|
Yield Strength σ0.2 (Mpa) |
≥170; |
≥205 |
≥170; |
≥205 |
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|
Tensile Strength σb (Mpa) |
≥485; |
≥515 |
≥485; |
≥515 |
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|
Elongation % |
≥35 |
≥35 |
≥35 |
≥35 |
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|
Flattening Test |
H=1.09t/(0.09+t/D) |
H=1.09t/(0.09+t/D) |
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|
Flange Test |
21-68% |
|
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|
Intergranular corrosion |
"*""" ASTM E112 "" min 7#, "*" min 6# |
"*"""ASTM E112, min 6# |
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|
Hydraulic test(Mpa) |
D |
P max |
P=220.6t/D |
D |
P max |
ASTM A530/A530M
D≤270MM P=2Rt/D |
|
<25.4 |
7 |
≤88.9 |
17 |
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|
25.4-<38.1 |
10 |
|||||
|
38.1-<50.8 |
14 |
>88.9 |
19 |
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|
50.8-<76.2 |
17 |
|||||
|
76.2-<127 |
24 |
|||||
|
≥127 |
31 |
|||||
|
Metallograph Analysis |
ASTM A262 E |
ASTM A262 E |
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|
Non-Destructive Test |
ASTM E213 E309 E426 |
ASTM E213 E309 E426 |
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|
Hardness |
HRB<90 |
HRB<90 |
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