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江蘇無(wú)縫鋼管價(jià)格不銹耐酸鋼極薄壁無(wú)縫鋼管的牌號(hào)和化學(xué)成分
牌 號(hào) |
化學(xué)成分(質(zhì)量分?jǐn)?shù))(%) | ||||||||
C |
Si |
Mn |
S |
P |
Cr |
Ni |
Ti |
Mo | |
00Cr18Ni10 |
≤0.03 |
≤1.00 |
≤2.00 |
≤0.030 |
≤0.035 |
17-19 |
8-12 |
|
|
1Cr18Ni9Ti |
≤0.12 |
≤1.00 |
≤2.00 |
≤0.030 |
≤0.035 |
17-19 |
8-11 |
5(C%-0.02)-0.8 |
|
00Cr17Ni14Mo2 |
≤0.03 |
≤1.00 |
≤2.00 |
≤0.030 |
≤0.035 |
16-18 |
12-16 |
|
1.8-2.5 |
1Cr18Ni12Mo2Ti |
≤0.12 |
≤1.00 |
≤2.oo |
≤0.030 |
≤0.035 |
16-19 |
11-14 |
5(C%-0.02)-0.8 |
1.8-2.5 |
1Cr18Ni12Mo3Ti |
≤0.12 |
≤1.00 |
≤2.00 |
≤0.030 |
≤0.035 |
16-19 |
11-14 |
5(C%- 0.02)-0.8 |
2.5-3.5 |
注:根據(jù)需方要求,經(jīng)雙方協(xié)議,可生產(chǎn)上表規(guī)定牌號(hào)以外的鋼管。
(4)力學(xué)和化學(xué)性能
不銹耐酸鋼極薄壁無(wú)縫鋼管的力學(xué)和化學(xué)性能
牌 號(hào) |
力學(xué)性能≥ |
化學(xué)性能 | |
b/MPa |
5(%) | ||
00Crl8Nil0 |
440 |
40 |
鋼管應(yīng)按T法進(jìn)行晶間腐蝕傾向試驗(yàn)。 試驗(yàn)結(jié)果不得有晶間腐蝕傾向 |
1Crl8Ni9Ti |
550 |
40 | |
00Crl7Nil4Mo |
480 |
40 | |
1Crl8Nil2M02Ti |
540 |
35 | |
1Crl8Nil2M03Ti |
540 |
35 |
|