外徑×壁厚/mm | ||||
10.3×0.15 | 12.4×0.20 | 15.4×0.20 | 18.4×0.20 | 24.0×0.20 |
24.4×0.20 | 26.4×0.20 | 32.4×0.20 | 35.0×0.50 | 40.4×0.20 |
40.6×0.30 | 41.0×0.50 | 41.2×0.60 | 48.0×0.25 | 50.5×0.25 |
53.2×0.60 | 55.0×0.50 | 59.6×0.30 | 60.0×0.25 | 60.0×0.50 |
61.0×0.35 | 61.0×0.50 | 61.2×0.60 | 67.6×0.30 | 67.8×0.40 |
70.2×0.60 | 74.0×0.50 | 75.5×0.25 | 75.6×0.30 | 82.8×0.40 |
83.0×0.50 | 89.6×0.30 | 89.8×0.40 | 90.2×0.40 | 90.5×0.25 |
90.7×0.30 | 90.8×0.40 | 95.6×0.30 | 101.0×0.50 | 102.6×0.30 |
110.9×0.45 | 125.7×0.35 | 150.×80.40 | 250.8×0.40 |
直徑/mm | 普通級/mm | 高級/mm |
10~250 | +O.05 -O.10 | ±O.05 |
鋼管尺寸/mm | 壁厚答應偏差/mm | ||
外徑 | 壁厚 | 普通級 | 高 級 |
≤60 | ≤O.20 | ±O.03 | +O.03 -O.Ol |
O.25 | +0.04 -O.03 | +O.03 -0.02 | |
O.30 | ±O.04 | ±0.03 | |
0.35 | +O.05 -O.04 | +0.04 -O.03 | |
≤60 | 0.40 | ±O.05 | ±O.04 |
O.50 | ±0.06 | +O.05 -O.04 | |
O.60 | ±0.08 | ±0.05 | |
>60 | ≤O.25 | ±O.04 | ±0.03 |
O.30 | ±O.04 | +0.04 -O.03 | |
O.35 | ±O.05 | ±0.04 | |
0.40 | ±O.05 | +O.05 -O.04 | |
0.50 | ±0.06 | 士O.05 | |
O.60 | ±O.08 | ±O.05 |
牌 號 | 化學成分(質量分數)(%) | ||||||||
C | Si | Mn | S | P | Cr | Ni | Ti | Mo | |
00Crl8NilO | ≤O.03 | ≤1.00 | ≤2.00 | ≤O.030 | ≤O.035 | 17~19 | 8~12 | ||
1Crl8Ni9Ti | ≤O.12 | ≤1.00 | ≤2.00 | ≤O.030 | ≤0.035 | 17~19 | 8~11 | 5(C%~0.02)~O.8 | |
00Crl7Ni14M02 | ≤O.03 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 16~18 | 12~16 | l.8~2.5 | |
1Crl8Nil2Mo2Ti | ≤0.12 | ≤1.00 | ≤2.oo | ≤0.030 | ≤O.035 | 16~19 | 11~14 | 5(C%~0.02)~0.8 | l.8~2.5 |
1Crl8Nil2M03Ti | ≤O.12 | ≤1.00 | ≤2.00 | ≤O.030 | ≤0.035 | 16~19 | 11~14 | 5(C%~ O.02)~0.8 | 2.5~3.5 |
牌 號 | 力學性能≥ | 化學性能 | |
b/MPa | 5(%) | ||
00Crl8Nil0 | 440 | 40 | 鋼管應按T法進行晶間腐蝕傾向試驗。試驗結果不得有晶間腐蝕傾向 |
1Crl8Ni9Ti | 550 | 40 | |
00Crl7Nil4Mo | 480 | 40 | |
1Crl8Nil2M02Ti | 540 | 35 | |
1Crl8Nil2M03Ti | 540 | 35 |