Offer the lastest seamless steel pipe dimensions on the first time
Standard
API SPEC 5LAPI Standard
GB/T9711.2CNS
API SPEC 5LAPI Standard
GB/T9711.2CNS
Use��
Used as oxygen, water, and oil delivery pipe in oil and natural gas industry.
Main Steel Pipe Model��
B,X42,X52,X60,X65,X70
Dimension Tolerance:
|
Steel Pipe Specification
|
Steel Pipe Outside Diameter��D��
|
Steel Pipe Wall Thickness��S��
|
||
|
Pipe Body
|
Steel Pipe Outside Diameter (mm)
|
Allowable deviation (mm)
|
Steel Pipe Outside Diameter (mm)
|
Allowable Deviation (mm)
|
|
≥60.3��S��20
|
±0.75��
|
≤73.0
|
��15������12.5��
|
|
|
≥60.3��S≥20
|
±1.00��
|
��73.0��S��20
|
��15������12.5��
|
|
|
|
|
��73.0��S≥20
|
��17.5������10
|
|
Mechanical Property��
|
Standard
|
Model
|
Tensile Strength��MPa��
|
Yield Strength��MPa��
|
Yield Strength
Ratio |
Tensile Stretch������
|
Ballistic Work
Akv��J�� |
Heat Treatment
State |
|
API SPEC 5L
GB/T9711.2
|
B
|
≥415
|
245��440
|
≤0.80
|
22
|
≥40
|
normalizing
|
|
X42
|
≥415
|
290��440
|
≤0.80
|
21
|
≥40
|
normalizing
|
|
|
X52
|
≥460
|
360��510
|
≤0.85
|
20
|
≥40
|
normalizing
|
|
|
X60
|
≥520
|
415��565
|
≤0.85
|
18
|
≥40
|
normalizing
|
|
|
X65
|
≥535
|
450��570
|
≤0.90
|
18
|
≥40
|
quencher backfire
|
|
|
X70
|
≥570
|
485��605
|
≤0.90
|
18
|
≥40
|
quencher backfire
|
Mechanical Property:
|
Standard
|
Model
|
Chemical Constituent������
|
CEV������
|
|||||||
|
C
|
Si
|
Mn
|
P
|
S
|
V
|
Nb
|
Ti
|
|||
|
API SPEC 5L
GB/T9711.2
|
B
|
≤0.16
|
≤0.40
|
≤1.10
|
≤0.020
|
≤0.010
|
��
|
��
|
��
|
≤0.42
|
|
X42
|
≤0.17
|
≤0.40
|
≤1.20
|
≤0.020
|
≤0.010
|
≤0.05
|
≤0.05
|
≤0.04
|
≤0.42
|
|
|
X52
|
≤0.20
|
≤0.45
|
≤1.60
|
≤0.020
|
≤0.010
|
≤0.10
|
≤0.05
|
≤0.04
|
≤0.45
|
|
|
X60
|
≤0.21
|
≤0.45
|
≤1.60
|
≤0.020
|
≤0.010
|
≤0.15
|
≤0.05
|
≤0.04
|
agreement
|
|
|
X65
|
≤0.16
|
≤0.45
|
≤1.60
|
≤0.020
|
≤0.010
|
≤0.06
|
≤0.05
|
≤0.06
|
≤0.45
|
|
|
X70
|
≤0.16
|
≤0.45
|
≤1.70
|
≤0.020
|
≤0.010
|
≤0.06
|
≤0.05
|
≤0.06
|
≤0.45
|
|
Notice��
1��0.015��≤Altot��0.06����N≤0.012����Al/N≥2/1��Cu≤0.25����Ni≤0.30����Cr≤0.30����Mo≤0.10��
2��V��Nb��Ti≤0.15
3��X60��X65��X70after negotiationMo≤0.35��
