產品簡介 PRODUCT INTRODUCTION
美國標準 AMERICAN STANDARDS
管線管
LINE PIPE
● 標準 Standard：
API SPEC 5L
● 用途 Application：
用于石油、天然氣工業中的氣、水、油輸送
It is used for conveying gas,water,and petroleum of both the oil and natural gas industries.
-
尺寸公差 Tolerance on Dimension：
|
標準
|
外徑公差
|
壁厚公差
|
|
Standard
|
Outside Diameter
|
Wall Thickness Tolerance
|
|
API SPEC 5L
|
Tolerance
|
Tolerance
|
|
D<60.3
|
+0.41mm,-0.80mm
|
+15.0 %S-12.5%S
|
|
D≥60.3
|
+0.75%D-0.75%Dmm
|
● 機械性能Mechanical Properties:
|
標準
Standard
|
鋼級
Grade
|
屈服強度(MPa)
Yield strengh
|
抗拉強度(MPa)
Tensile Strength
|
延伸率（%）
Elongation
|
|
API SPEC 5L
|
PSL1
|
查API SPEC 5L 表3
See table 3
of API SPEC 5L
|
|
A25
|
≥172
|
≥310
|
|
A
|
≥207
|
≥331
|
|
B
|
≥241
|
≥414
|
|
X42
|
≥290
|
≥414
|
|
X46
|
≥317
|
≥434
|
|
X52
|
≥359
|
≥455
|
|
X56
|
≥386
|
≥490
|
● 化學成分Chemical Composition(%)
標準
Standard |
鋼級
Grade
|
C
|
Mn
|
P
|
S
|
|
Max
|
Max
|
Min
|
Max
|
Max
|
|
API SPEC 5L
|
PSL1
|
|
A25Ⅰ
|
0.21
|
0.60
|
|
0.030
|
0.030
|
|
A25Ⅱ
|
0.21
|
0.60
|
0.45
|
0.080
|
0.030
|
|
A
|
0.22
|
0.90
|
|
0.030
|
0.030
|
|
B
|
0.28
|
1.20
|
|
0.030
|
0.030
|
|
X42
|
0.28
|
1.30
|
|
0.030
|
0.030
|
|
X46,X52,X56
|
0.28
|
1.40
|
|
0.030
|
0.030
|
