S30408 AP級(jí)不銹鋼無縫鋼管 脫油脫脂
S30408 AP級(jí)不銹鋼無縫鋼管 脫油脫脂不銹鋼管化學(xué)成分及機(jī)械性能
|
牌號(hào)
|
化學(xué)成分/% |
力學(xué)實(shí)驗(yàn)要求 |
硬度 |
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|
C |
Mn |
P |
S |
Si |
Cr |
Ni |
其他 （C標(biāo)示 含碳量）
|
抗拉強(qiáng)度 ?b/MPa≥ |
?0.2/MPa≥ |
伸長率δ /% ≥
(L=30mm)
|
HB |
HRB |
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|
S20100 |
≤0.15 |
5.50-7.50 |
≤0.06 |
≤0.030 |
≤1.00 |
16.0-18.0 |
3.5-5.50 |
N:≤0.25 |
515 |
275 |
40.0 |
--- --- |
≤100 |
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|
S20200 |
≤0.15 |
7.50-10.0 |
17.0-19.0 |
4.0-6.00 |
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|
S30200 |
≤0.15 |
≤2.00 |
≤0.045 |
17.0-19.0 |
8.0-10.0 |
--- |
515 |
205 |
202 |
92 |
|||||
|
S30408 |
≤0.08 |
≤2.00 |
≤0.045 |
18.0-20.0 |
8.0-10.5 |
---- |
515 |
205 |
202 |
92 |
|||||
|
S30403 |
≤0.030 |
≤2.00 |
≤0.045 |
18.0 |
8.0-12.0 |
----- |
485 |
170 |
183 |
88 |
|||||
|
S30453 |
≤0.030 |
≤2.00 |
≤0.045 |
18.0 |
8.0-12.0 |
N:0.10-0.16 |
515 |
205 |
202 |
92 |
|||||
|
S30409 |
≤0.04-0.10 |
≤2.00 |
≤0.045 |
18.0 |
8.0-10.5 |
---- |
515 |
205 |
202 |
92 |
|||||
|
S30451 |
≤ |
≤2.00 |
≤0.045 |
18.0 |
8.0-10.5 |
N:0.10-0.16 |
550 |
240 |
30.0 |
202 |
92 |
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