管线及套管用热轧带钢
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累计评价0 - ：管线及套管用热轧带钢
- ：热轧态或 TMCP 交货
- ：山钢，日钢
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产品用途
管线用钢主要用于制造输送石油、天然气、水煤浆等介质的管道，该系列产品具有化学成分稳定、性能稳定、板形、表面质量精良、高的强度、良好的低温韧性及可焊接性等特点。
交货状态：该系列产品采用热轧态或 TMCP 交货。
供货牌号及标准
API Spec 5L | GB/T14164 |
ISO 3183-1 | GB/T 9711.1 | |||
PSL1 | PSL2 | PSL1 | PSL2 | PSL1 | PSL2 | |
L245/B | L245M/BM | L245/B | L245M/BM | L245 | L245/B | L245M/BM |
L290/X42 | L290M/X42M | L290/X42 | L290M/X42M | L290 | L290/X42 | L290M/X42M |
L320/X46 | L320M/X46M | L320/X46 | L320M/X46M | L320 | L320/X46 | L320M/X46M |
L360/X52 | L360M/X52M | L360/X52 | L360M/X52M | L360 | L360/X52 | L360M/X52M |
L390/X56 | L390M/X56M | L390/X56 | L390M/X56M | L390 | L390/X56 | L390M/X56M |
L415/X60 | L415M/X60M | L415/X60 | L415M/X60M | L415 | L415/X60 | L415M/X60M |
L450/X65 | L450M/X65M | L450/X65 | L450M/X65M | L450 | L450/X65 | L450M/X65M |
L485/X70 | L485M/X70M | L485/X70 | L485M/X70M | L485 | L485/X70 | L485M/X70M |
- | L555M/X80M | - | L555M/X80M | L555 | - | L555M/X80M |
- | L625M/X90M | - | L625M/X90M | - | - | L625M/X90M |
- | L690M/X100M | - | L690M/X100M | - | - | L690M/X100M |
化学成分
牌号 | 化学成分（%） | |||||||
C | Si | Mn | P | S | Nb | V | Ti | |
B | ≤0.22 | ≤0.35 | 0.70~1.20 | ≤0.025 | ≤0.015 | - | - | - |
X42 |
≤0.20 | ≤0.35 | 0.65~1.25 | ≤0.025 | ≤0.015 | - | - | - |
X46 | ≤0.35 |
0.75~1.35 | ≤0.025 | ≤0.015 | - | - | - | |
X52 | ≤0.35 | ≤0.025 | ≤0.015 | - | - | - | ||
X56 | ≤0.40 |
0.75~1.35 | ≤0.025 | ≤0.015 |
≥0.005 |
≥0.005 |
≥0.005 | |
X60 | ≤0.40 | ≤0.025 | ≤0.015 | |||||
X65 | ≤0.40 | ≤1.65 | ≤0.025 | ≤0.015 | ≤0.10 | ≤0.10 | ≤0.10 | |
X70 | ≤0.40 | ≤1.65 | ≤0.025 | ≤0.015 | ≤0.10 | ≤0.10 | ≤0.10 | |
X80 | ≤0.40 | ≤1.85 | ≤0.025 | ≤0.015 | ≤0.10 | ≤0.10 | ≤0.10 | |
力学性能
牌号 | 拉伸试验 |
屈强比 Rt0.5/Rm | V 型冲击试验 0℃冲击功 (J) |
180°弯曲试验弯心直径 | ||
屈服强度 Rt0.5(MPa) | 抗拉强度 Rm(MPa) | 延伸率 A50 (%) | ||||
B | 245-450 | 415-760 | ≥21 | ≤0.91 | ≥40 | D=2.0a |
X42 | 290-495 | 415-760 | ≥21 | ≤0.91 |
≥42 | D=2.0a |
X46 | 320-525 | 435-760 | ≥20 | ≤0.91 | D=2.0a | |
X52 | 360-530 | 460-760 | ≥19 | ≤0.93 | D=2.0a | |
X56 | 390-545 | 490-760 | ≥18 | ≤0.93 | D=2.0a | |
X60 | 415-565 | 520-755 | ≥17 | ≤0.93 | D=2.0a | |
X65 | 450-600 | 535-760 | ≥17 | ≤0.93 | ≥47 | D=2.0a |
X70 | 485-635 | 570-760 | ≥16 | ≤0.93 | ≥63 | D=2.0a |
X80 | 555-705 | 625-825 | ≥15 | ≤0.93 | ≥96 | D=2.0a |
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