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20號冷拔低中壓鍋爐管—20#熱軋低中壓鍋爐管
低中壓鍋爐管:用于制造各種低中壓鍋爐、過熱蒸汽管、沸水管、水冷壁管及機車鍋爐用過熱蒸汽管、大煙管、小煙管和拱磚管等。用優(yōu)質(zhì)碳素結(jié)構(gòu)鋼熱軋或冷軋(撥)無縫鋼管。主要用10、20號鋼制造,除保證化學(xué)成分和機械性能外要做水壓試驗,卷邊、擴口、壓扁等試驗。熱軋以熱軋狀態(tài)交貨、冷軋(撥)以熱處理狀態(tài)交貨。天津大口徑厚壁無縫鋼管廠常年生產(chǎn)各規(guī)格低中壓鍋爐管
規(guī)格 |
數(shù)量 |
規(guī)格 |
數(shù)量 |
規(guī)格 |
數(shù)量 |
12×2 |
18 |
73×4-4.5-5-6-7-8-9-10-12-15 |
50 |
219×30-40-45-50-55 |
65 |
14×2-2.5-3 |
20 |
76×4-4.5-5-6-7-8-9-10-12-14 |
60 |
219×55-58-60-65-70 |
80 |
16×2-2.5-4 |
30 |
83×4.5-5-10-12-14-16-18-20 |
30 |
245×8-10-14-17-20-22 |
105 |
18×2.3-4-5 |
20 |
89×4.5-8-10-12-14-16-18-20 |
40 |
245×25-28-30-34-40 |
84 |
20×2.5-3-5 |
17 |
95×4.5-6-8-10-12-14-16-20 |
50 |
273×7-9-12-15-18-20-25 |
100 |
24×2.5-3-4-5-6 |
25 |
102×4.5-5-6-7-8-10-12-14-16-20 |
80 |
273×30-35-38-40-45-50 |
50 |
25×2.5-3-4-5-6 |
28 |
108×4.5-5-6-7-8-10-12-14-18-20-22 |
75 |
299×8-12-16-20-24-28 |
60 |
28×3-3.5-4-5-6 |
30 |
114×4.5-5-6-7-8-10-12-14-18-20 |
100 |
299×30-32-36-38-40-45 |
70 |
32×3.5-4-5-6-8 |
40 |
121×4.5-5-6-7-8-10-12-14-16-20 |
102 |
325×8-12-14-18-38-42 |
120 |
34×4-5-6-8 |
35 |
127×4.5-5-6-7-8-10-12-14-16-20 |
95 |
325×28-32-34-38-42 |
75 |
36×3.5-5-6-8 |
30 |
133×4.5-6-8-12-14-16-18-20-25-30 |
120 |
351×10-16-20-25-40 |
120 |
38×4-5-6-7-8-9-10 |
33 |
140×5-6-7-8-9-10-12-14-16-20-22 |
50 |
355×6-18-20-25-30-40/52 |
45 |
39×3.5-5-8-10 |
30 |
146×4.5-6-8-12-14-16-18-20-25-30 |
60 |
377×8-12-15-20-24-28 |
128 |
42×3.5-4-5-6-7-8-9-10 |
35 |
152×4.5-6-8-12-14-16-18-20-25-30 |
60 |
377×30-37-40-45-50 |
60 |
45×3.5-4-5-6-7-8-9 |
40 |
159×4.5-6-10-12-14 |
80 |
402×10-15-20-25-30-35 |
70 |