管線管:是把抽出地面的油、氣或水,通過管線管輸送到石油和天然氣工業企業。管線管包括無縫和焊接管兩種,其管端有平端、帶螺紋端和承口端;其連線方式為端頭焊接、接箍連線、承插連線等。
基本介紹
- 中文名:管線管
- 管線管規格:10.3-2032×1.7-39.7mm
- 執行標準:GB/T9711.1/API SPEC 5L
- 用途:天然氣工業中的氣、水、油輸送
管線管概況
回火的種類
Standard | Product Level | Steel grade | Yield Strength (min), Mpa | Tensile Strength(MPa) |
API 5L GB/T9711.2 | PSL 1 | A or L210 | 210 | 335 |
B or L245 | 245 | 415 | ||
x42 or L290 | 290 | 415 | ||
X46 or L320 | 320 | 435 | ||
X52 or L360 | 360 | 460 | ||
X56 or L390 | 390 | 490 | ||
X60 or L415 | 415 | 520 | ||
X70 | 483 | 565 | ||
PSL 2 | BR or L245R | 245~450 | 415~760 | |
X42R or L290R | 290~495 | 415~760 | ||
BN or L245N | 245~450 | 415~760 | ||
X42N or L290N | 290~495 | 415~760 | ||
X46N or L320N | 320~525 | 435~760 | ||
X52N or L360N | 360~530 | 460~760 | ||
X56N or L390N | 390~545 | 490~760 | ||
X60N or L415N | 415~565 | 520~760 | ||
X65N or L450N | 425~566 | 525~760 | ||
X70 or L480 | 484~565 | 565~768 | ||
X80 | 552~690 | 621~827 |
roduct Level | Steel grade | Chemical composition, % | ||||||||
C | Mn | P | S | Si | V | Nb | Ti | CEpcm | ||
PSL 1 | B or L245 | ≤0.28 | ≤1.20 | ≤0.030 | ≤0.030 | - | - | - | - | - |
x42 or L290 | ≤0.28 | ≤1.30 | ≤0.030 | ≤0.030 | - | - | - | - | - | |
X46 or L320 | ≤0.28 | ≤1.40 | ≤0.030 | ≤0.030 | - | - | - | - | - | |
X52 or L360 | ≤0.28 | ≤1.40 | ≤0.030 | ≤0.030 | - | - | - | - | - | |
X56 or L390 | ≤0.28 | ≤1.40 | ≤0.030 | ≤0.030 | - | - | - | - | - | |
X60 or L415 | ≤0.28 | ≤1.40 | ≤0.030 | ≤0.030 | - | - | - | - | - | |
X70 | ≤0.28 | ≤1.40 | ≤0.030 | ≤0.030 | - | - | - | - | - | |
PSL 2 | BR or L245R | ≤0.24 | ≤1.20 | ≤0.025 | ≤0.015 | ≤0.40 | c | c | ≤0.04 | ≤0.25 |
X42R or L290R | ≤0.24 | ≤1.20 | ≤0.025 | ≤0.015 | ≤0.40 | ≤0.06 | ≤0.05 | ≤0.04 | ≤0.25 | |
BN or L245N | ≤0.24 | ≤1.20 | ≤0.025 | ≤0.015 | ≤0.40 | c | c | ≤0.04 | ≤0.25 | |
X42N or L290N | ≤0.24 | ≤1.30 | ≤0.025 | ≤0.015 | ≤0.40 | ≤0.06 | ≤0.05 | ≤0.04 | ≤0.25 | |
X46N or L320N | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 | ≤0.40 | ≤0.07 | ≤0.05 | ≤0.04 | ≤0.25 | |
X52N or L360N | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 | ≤0.45 | ≤0.10 | ≤0.05 | ≤0.04 | ≤0.25 | |
X56N or L390N | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 | ≤0.45 | ≤0.10 | ≤0.05 | ≤0.04 | ≤0.25 | |
X60N or L415N | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 | ≤0.45 | ≤0.10 | ≤0.05 | ≤0.04 | - | |
X65N or L450N | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 | ≤0.45 | ≤0.10 | ≤0.05 | ≤0.04 | - | |
X70N | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 | ≤0.45 | ≤0.10 | ≤0.05 | ≤0.04 | - | |
X80 | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 | ≤0.45 | ≤0.10 | ≤0.05 | ≤0.04 | - |
管線管產品解析
鋼管種類 | 鋼管外徑(D) | 鋼管壁厚(S) | ||
管體 | 鋼管外徑 (mm) | 允許偏差(mm) | 鋼管外徑(mm) | 允許偏差(mm) |
≥60.3且S<20 | ±0.75% | ≤73.0 | +15%,-12.5% | |
≥60.3且S≥20 | ±1.00% | >73.0且S<20 | +15%,-12.5% | |
>73.0且S≥20 | +17.5%,-10 |
標準 | 牌號 | 抗拉強度(MPa) | 屈服強度(MPa) | 伸長率(%) | 熱處理狀態 | ||
API SPEC 5L GB/T9711 | L245/B | ≥415 | 245~440 | ≤0.80 | 22 | ≥40 | |
API SPEC 5L GB/T9711 | L290/X42 | ≥415 | 290~440 | ≤0.80 | 21 | ≥40 | |
API SPEC 5L GB/T9711 | L360/X52 | ≥460 | 360~510 | ≤0.85 | 20 | ≥40 | |
API SPEC 5L GB/T9711 | L415/X60 | ≥520 | 415~565 | ≤0.85 | 18 | ≥40 | |
API SPEC 5L GB/T9711 | L450/X65 | ≥535 | 450~570 | ≤0.90 | 18 | ≥40 | 淬火+回火 |
API SPEC 5L GB/T9711 | L485/X70 | ≥570 | 485~605 | ≤0.90 | 18 | ≥40 | 淬火+回火 |
標準 | 化學成分(%) | CEV(%) | ||||||||
C | Si | Mn | P | S | V | Nb | Ti | |||
API SPEC 5L GB/T9711.2 | B | ≤0.16 | ≤0.40 | ≤1.10 | ≤0.020 | ≤0.010 | - | - | - | ≤0.42 |
X42 | ≤0.17 | ≤0.40 | ≤1.20 | ≤0.020 | ≤0.010 | ≤0.05 | ≤0.05 | ≤0.04 | ≤0.42 | |
X52 | ≤0.20 | ≤0.45 | ≤1.60 | ≤0.020 | ≤0.010 | ≤0.10 | ≤0.05 | ≤0.04 | ≤0.45 | |
X60 | ≤0.21 | ≤0.45 | ≤1.60 | ≤0.020 | ≤0.010 | ≤0.15 | ≤0.05 | ≤0.04 | 協定 | |
X65 | ≤0.16 | ≤0.45 | ≤1.60 | ≤0.020 | ≤0.010 | ≤0.06 | ≤0.05 | ≤0.06 | ≤0.45 | |
X70 | ≤0.16 | ≤0.45 | ≤1.70 | ≤0.020 | ≤0.010 | ≤0.06 | ≤0.05 | ≤0.06 | ≤0.45 |
名義尺寸 Nominal Size | 外徑 Outside Diameter | 壁厚 Wall Thickness | 平端管米重 Plain-end Weight | |||
inch | mm | inch | mm | lb/ft | kg/m | |
0.405 | 0.405 | 10.29 | 0.095 | 2.4 | 0.31 | 0.47 |
0.54 | 0.54 | 13.72 | 0.088 | 2.2 | 0.43 | 0.62 |
0.54 | 13.72 | 0.119 | 3.0 | 0.54 | 0.79 | |
0.675 | 0.675 | 17.15 | 0.091 | 2.3 | 0.57 | 0.84 |
0.675 | 17.15 | 0.126 | 3.2 | 0.74 | 1.10 | |
0.84 | 0.84 | 21.34 | 0.109 | 2.8 | 0.85 | 1.28 |
0.84 | 21.34 | 0.147 | 3.7 | 1.09 | 1.61 | |
1.05 | 1.05 | 26.67 | 0.113 | 2.9 | 1.13 | 1.70 |
1.05 | 26.67 | 0.154 | 3.9 | 1.48 | 2.19 | |
1.315 | 1.315 | 33.4 | 0.133 | 3.4 | 1.68 | 2.52 |
1.315 | 33.4 | 0.179 | 4.6 | 2.17 | 3.21 | |
1.660 | 1.660 | 42.2 | 0.145 | 3.7 | 2.72 | 3.43 |
1.660 | 42.2 | 0.191 | 4.9 | 3.00 | 4.51 | |
1.900 | 1.660 | 42.2 | 0.382 | 9.7 | 5.22 | 7.77 |
1.900 | 48.3 | 0.145 | 3.7 | 2.72 | 4.07 | |
1.900 | 48.3 | 0.200 | 5.1 | 3.63 | 5.43 | |
1.900 | 48.3 | 0.400 | 10.2 | 6.41 | 9.58 | |
2 3/8 | 2.375 | 60.3 | 0.109 | 2.8 | 2.64 | 3.97 |
2.375 | 60.3 | 0.125 | 3.2 | 3.00 | 4.51 | |
2.375 | 60.3 | 0.141 | 3.6 | 6.36 | 5.03 |