管线钢板主要用于制造输送原油、成品油、天然气等各种流体或气体的钢管，产品包括：普通埋地管线钢、热煨
弯管、海底管线钢、抗酸性管线钢、抗大变形管线钢等。
Pipeline steel plate used for made steel pipe which tranport crude oil ,petroleum products ,natrual gas etc fluid
or gas. Include Ordinary buried pipeline steel,heat bending pipeline,Undersea Linepipe Steel,Resistance to
acid pipeline steel, sustain deformation of pipeline steel.
|
执行标准Standard |
牌号 |
交货状态Condition |
规格范围 |
|
Grade |
(厚*宽*长) |
|
|
Size(mm) |
API 5L、ISO3183、
DNV、GB/T9711或技术协议 |
平板Plate |
B（L245、BM、L245M、L245MB）～ |
TMCP |
6-30*1600-3200 |
|
X52(L360、X52M、L360M、L360MB) |
*6000-18000 |
|
X60(L415、X60M、L415M、L415MB) ～ |
TMCP |
6-28.6*1600-3200 |
|
X70(L485、X70M、L485M、L485MB) |
*6000-18000 |
|
X80（X80M、L555M）、X90（X90M、L625M） |
TMCP |
6-20*1600-3200 |
|
*6000-18000 |
|
海底管线BMO（L245MO）,Undersea Linepipe Steel～ |
TMCP |
6-31.2*1600-3200 |
|
X80MO（L555MO） |
*6000-18000 |
|
抗酸管线BMS(L245MS) Resistance to acid pipeline steel～X65MS(L450MS) |
TMCP |
6-26*1600-3200 |
|
*6000-18000 |
|
抗大变形管线X70HD、X80HD sustain deformation of pipeline steel. |
TMCP |
6-28.6*1600-3200 |
|
*6000-18000 |
|
BN(L245NB)～X52N(L360N) |
N |
6-25*1600-3200 |
|
*6000-18000 |
|
BQ(L245Q)～X70Q(L485Q) |
Q |
6-25*1600-3200 |
|
*6000-18000 |
|
卷板Coil |
B（L245、BM、L245M、L245MB）～ |
TMCP |
6月20日 |
|
X70(L485、X70M、L485M、L485MB) |
*1600-2500*L |
|
X80(X80M、L555M) |
TMCP |
6-18.4 |
|
*1600-2500*L |
【化学成份】Chemical composition:
|
牌号Grae |
C |
Mn |
P |
S |
Si |
Nb |
Mo |
Cr |
Ni |
V |
Ti |
|
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
|
X65 |
0.09 |
1.6 |
0.02 |
0.008 |
0.35 |
0.06 |
0.3 |
0.25 |
0.3 |
0.06 |
0.025 |
|
X70 |
0.09 |
1.65 |
0.02 |
0.005 |
0.35 |
0.08 |
0.3 |
0.3 |
0.3 |
0.06 |
0.025 |
|
X80 |
0.09 |
1.9 |
0.018 |
0.005 |
0.35 |
0.1 |
0.35 |
0.4 |
0.4 |
0.06 |
0.025 |
|
X65MS |
0.08 |
1.45 |
0.015 |
0.002 |
0.35 |
0.06 |
0.1 |
0.3 |
0.3 |
0.06 |
0.025 |
|
X65MO |
0.1 |
1.65 |
0.018 |
0.003 |
0.35 |
0.06 |
0.3 |
0.3 |
0.3 |
0..06 |
0.025 |
|
X70HD |
0.09 |
1.65 |
0.018 |
0.005 |
0.35 |
0.1 |
0.3 |
0.3 |
0.3 |
0.06 |
0.025 |
【力学性能】Mechanical properties:
|
钢种Grade |
Rt0.5 Mpa |
Rm Mpa |
屈强比yield ratio |
A50% |
冲击Impact |
HV10 |
|
Min |
max |
min |
max |
Rt0.5/Rm |
(-20℃,J) |
|
X65 |
460 |
600 |
535 |
740 |
≤0.90 |
≥25 |
≥180 |
≤235 |
|
X70 |
500 |
620 |
570 |
740 |
≤0.90 |
≥25 |
≥220 |
≤255 |
|
X80 |
560 |
705 |
625 |
825 |
≤0.92 |
≥24 |
≥220 |
≤260 |
|
X65MS |
460 |
600 |
535 |
740 |
≤0.92 |
≥26 |
≥180 |
≤230 |
|
X65MO |
460 |
600 |
535 |
740 |
≤0.90 |
≥24 |
≥180 |
≤235 |
|
X70HD |
490 |
610 |
570 |
740 |
≤0.85 |
≥25 |
≥180 |
≤255 |
