product
standard
|
Steel type
|
chemical composition
|
Mechanical properties
|
||||||
C
|
Mn
|
P
|
S
|
other
|
Yield StrengthMpa
|
tensile strengthMpa
|
Elongation %
|
||
API SPEC 5L
|
A
|
0.21
|
0.6
|
0.030
|
0.030
|
Can be filled with niobium, vanadium, titanium elements but the three will not exceed the sum of 0.15%
|
207
|
331
|
00000
|
B
|
0.22
|
1.2
|
0.025
|
0.015
|
241
|
414
|
|
||
X42
|
0.22
|
0.025
|
0.015
|
1.3
|
290
|
414
|
|
||
X46
|
0.22
|
1.4
|
0.025
|
0.015
|
317
|
434
|
|
||
X52
|
0.22
|
1.4
|
0.025
|
0.015
|
359
|
455
|
|
||
X56
|
0.22
|
1.4
|
0.025
|
0.015
|
386
|
490
|
|
||
X60
|
0.22
|
1.4
|
0.025
|
0.015
|
414
|
517
|
|
||
X65
|
0.22
|
1.45
|
0.025
|
0.015
|
448
|
531
|
|
||
X70
|
0.22
|
1.65
|
0.025
|
0.015
|
483
|
565
|
|
||
GB/T9711-1997
|
L175
|
0.21
|
0.60
|
0.030
|
0.030
|
175
|
315
|
27
|
|
L210
|
0.21
|
0.90
|
0.030
|
0.030
|
210
|
335
|
25
|
||
L245
|
0.26
|
1.15
|
0.030
|
0.030
|
245
|
415
|
21
|
||
L290
|
0.28
|
1.25
|
0.030
|
0.030
|
290
|
415
|
21
|
||
L360
|
0.30
|
1.25
|
0.030
|
0.030
|
360
|
460
|
19
|
||
L390
|
0.26
|
1.35
|
0.030
|
0.030
|
390
|
490
|
18
|
||
L415
|
0.26
|
1.35
|
0.030
|
0.030
|
415
|
520
|
17
|
||
L450
|
0.26
|
1.40
|
0.030
|
0.030
|
450
|
525
|
17
|
||
L485
|
0.23
|
1.60
|
0.030
|
0.030
|
485
|
570
|
16
|
||
SY/T5037-2000
|
Q235B
|
0.12-0.20
|
0.30-0.70
|
0.045
|
0.045
|
|
235
|
375-460
|
26
|
Remarks
|
E: minimum elongation
A: cross-sectional area of the tensile specimen mm
U: minimum tensile strength of the specified base metal Mpa
|