Pipe-Line Seamless Steel Pipe
Standard
API SPEC 5LAPI Standard
GB/T9711.2CNS
Outside Diameter:20mm to 630mm
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,ST 52.3/S355J2H/E355/FE510
Pipe-Line Seamless Steel Pipe in liquid transportation are mainly applied to petroleum and gas long-distance transportation, as well as industrial and civilian liquid transportation system.
Structure usage is also adaptive.
Dimension Tolerance:
Steel Pipe Specification | Steel Pipe Outside DiameterD | Steel Pipe Wall ThicknessS | ||
Pipe Body | Steel Pipe Outside Diameter (mm) | Allowable deviation (mm) | Steel Pipe Outside Diameter (mm) | Allowable Deviation (mm) |
≥60.3S20 | ±0.75 | ≤73.0 | 15,12.5 | |
≥60.3S≥20 | ±1.00 | 73.0S20 | 15,12.5 | |
73.0S≥20 | 17.5,10 | |||
Mechanical Property
Standard | Model | Tensile StrengthMPa | Yield StrengthMPa | Yield Strength | Tensile Stretch | Ballistic Work | Heat Treatment |
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≤Altot0.06N≤0.012Al/N≥2/1Cu≤0.25Ni≤0.30Cr≤0.30Mo≤0.10
2.VNbTi≤0.15
3.X60X65X70after negotiationMo≤0.35
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Contact person:
Mr.Zhang
Add: Room 1724,Jinding international building,Yimeng road,Lanshan district,Linyi city,Shandong province,China.
Tel: 0539-8035715
Fax: 0539-7164885
Dennis Zhang
sales@chinapowermetal.com
tcz-steel@163.com
















