船舶用無縫鋼管機械性能
類別 |
牌號 |
抗拉強度(Mpa) |
屈服強度(Mpa) |
伸長率(%) |
碳鋼和碳錳鋼 |
320 |
320-440 |
≥195 |
≥25 |
360 |
360-480 |
≥215 |
≥24 | |
410 |
410-530 |
≥235 |
≥22 | |
奧氏體不銹鋼 |
00Cr17Ni14Mo3 |
≥480 |
≥175 |
≥35 |
0Cr18Ni9Ti |
≥520 |
≥205 |
≥35 |
類別 |
鋼級、牌號 |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
碳鋼和碳錳鋼 |
320 |
≤0.16 |
≤0.35 |
0.40-0.70 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.10 |
≤0.30 |
360 |
≤0.17 |
≤0.35 |
0.40-0.80 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.10 |
≤0.30 | |
410 |
≤0.21 |
≤0.35 |
0.40-1.20 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.10 |
≤0.30 | |
奧氏體不銹鋼 |
00Cr17Ni14Mo2 |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.030 |
≤0.030 |
16.00-18.00 |
2.00-3.00 |
12.00-15.00 |
0Cr18Ni9Ti |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.030 |
≤0.030 |
17.00-19.00 |
/ |
8.00-11.00 |