20G高壓鍋爐管GB5310理論重量\上海3087無縫鋼管規(guī)格
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
|
/
|
|
12Cr2MoWVTiB
|
540~735
|
≥345
|
≥18
|
/
|
76×4-4.5-5-6-7-8-9-10-12-14
|
273×30-35-38-40-45-50
|
720×10-20-30-45-50-65
|
83×4.5-5-10-12-14-16-18-20
|
299×8-12-16-20-24-28
|
750×20-35-45-60
|
89×4.5-8-10-12-14-16-18-20
|
299×30-32-36-38-40-45
|
780×45-65
|
95×4.5-6-8-10-12-14-16-20
|
325×8-12-14-18-38-42
|
820×12-20-35-50-65
|
102×4.5-5-6-7-8-10-12-14-16-20
|
325×28-32-34-38-42
|
830-710×25-35-43
|