1.Standard: API 5L,GB/T9711
2.Grade: B,X42,X52,X60,X65,X70,L245,L290,320,L360,L390,L450,L485
3.Specification: 60-630*1.5-40mm
4.Description
Chemical Composition
|
Grade
|
C
|
Si
|
Mn
|
P
|
S
|
V
|
Nb
|
Ti
|
|
B
|
≤0.16
|
≤0.40
|
≤1.10
|
≤0.020
|
≤0.010
|
-
|
-
|
-
|
|
X42
|
≤0.17
|
≤0.40
|
≤1.20
|
≤0.020
|
≤0.010
|
≤0.05
|
≤0.05
|
≤0.04
|
|
X52
|
≤0.20
|
≤0.45
|
≤1.60
|
≤0.020
|
≤0.010
|
≤0.10
|
≤0.05
|
≤0.04
|
|
X60
|
≤0.21
|
≤0.45
|
≤1.60
|
≤0.020
|
≤0.010
|
≤0.15
|
≤0.05
|
≤0.04
|
|
X65
|
≤0.16
|
≤0.45
|
≤1.60
|
≤0.020
|
≤0.010
|
≤0.06
|
≤0.05
|
≤0.06
|
|
X70
|
≤0.16
|
≤0.45
|
≤1.70
|
≤0.020
|
≤0.010
|
≤0.06
|
≤0.05
|
≤0.06
|
Mechanical Properties
|
Grade
|
Tensile Strength(Mpa)
|
Yield Strength(Mpa)
|
Elongation (%)
|
|
B
|
≥415
|
245~440
|
≤0.80
|
|
X42
|
≥415
|
290~440
|
≤0.80
|
|
X52
|
≥460
|
360~510
|
≤0.85
|
|
X60
|
≥520
|
415~565
|
≤0.85
|
|
X65
|
≥535
|
450~570
|
≤0.90
|
|
X70
|
≥570
|
485~605
|
≤0.90
|
5.Application: Seamless steel tube used for transportation of petroleum, gas, water and oil
6.Package: export standard packing or as per the requirements of buyers
7.Terms of Payment:30% T/T in advance and the balance against B/L copy
8.Delivery Time: within 20 days after your down payment.
