Pipe-Line Seamless Steel Pipe

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Pipe-Line Seamless Steel Pipe

Offer the lastest seamless steel pipe dimensions on the first time

Standard
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��


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