合金鋼管15CrMoG直徑219壁厚30mm抗拉強(qiáng)度無(wú)錫鋼管廠
標(biāo)準(zhǔn) |
牌號(hào) |
抗拉強(qiáng)度(MPa) |
屈服強(qiáng)度(MPa) |
伸長(zhǎng)率(%) |
硬度 |
GB3087 |
10 |
335~475 |
≥195 |
≥24 |
/ |
20 |
410~550 |
≥245 |
≥20 |
/ |
|
GB5310 |
20G |
410~550 |
≥245 |
≥24 |
/ |
20MnG |
≥415 |
≥240 |
≥22 |
/ |
|
25MnG |
≥485 |
≥275 |
≥20 |
/ |
|
15CrMoG |
440~640 |
≥235 |
≥21 |
/ |
|
12Cr2MoG |
450~600 |
≥280 |
≥20 |
/ |
|
12Cr1MoVG |
470~640 |
≥255 |
≥21 |
/ |
56×3.5-4-5-6-7-8-9-10 |
58 |
219×6-8-12-16-18-20-25 |
110 |
630×10-20-30-40-55 |
130 |
57×3.5-5-6-7-8-9-10-12 |
50 |
219×30-40-45-50-55 |
65 |
640×12-25-32-40-50-65 |