GB/T3087蒸汽管道用無錫無縫鋼管規(guī)格\89×4.520#鋼管現(xiàn)貨
2×1.5 |
18 |
73×4-4.5-5-6-7-8-9-10-12-15 |
50 |
219×30-40 |
65 |
14×1.5-2.5-3 |
20 |
76×4-4.5-5-6-7-8-9-10-12-14 |
60 |
245×8-10-14-17-20-22 |
105 |
16×1.5-2.5-4 |
30 |
83×4.5-5-10I━12-14-16-18-20 |
30 |
245×25-28-30-34-40 |
84 |
18×2.3-4-5 |
20 |
89×4.5-8-10━12-14-16-18-20 |
40 |
273×7-9-12-15-18-20-25 |
100 |
20×2.5-3-5 |
17 |
95×4.5-6-8-10-12-14-16-20 |
50 |
273×30-35-38-40 |
50 |
24×2.5-3-4-5-6 |
25 |
102×4.5-5-6-7-8-10-12-14-16-20 |
80 |
299×8-12-16-20-24-28 |
60 |
25×2.5-3-4-5-6 |
28 |
108×4.5-5-6-7-8-22 |
75 |
299×30-32-36-38-40 |
70 |
28×3-3.5-4-5-6 |
30 |
114×4.5-5-6-7-8-1-14-18-20 |
100 |
325×8-12-14-18-38 |
120 |
高壓鍋爐管(2張)
標準 |
牌號 |
抗拉強度(MPa) |
屈服強度(MPa) |
伸長率(%) |
硬度 |
GB3087 |
10 |
335~475 |
≥195 |
≥24 |
/ |
20 |
410~550 |
≥245 |
≥20 |
/ |