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  HomePage » NEWS » Products'technical condition » casing tube products spec
casing tube products spec
postdate:2009-06-12 HITS:234

◆长度Lengths:


 

范围1 (R1)

范围2 (R2)

范围3 (R3)

油管

6.10-7.32m

8.53-9.75m

11.58-12.80m

Tubing

套管

4.88-7.62m

7.62-10.36m

10.36-14.63m

Casing

◆短节或连接管 Pup Joint or Connector:
包括所有油套管规格、螺纹或其他组合。
All kinds of size,thread or their combination of tubing and casing are supplied.

◆尺寸偏差Dimensions and Tolerances:
外径、壁厚、重量允许偏差 Outside Diameter,Wall Thickness and Weight Tolerances:


项目Item

允许偏差Tolerance

外径

管体Pipe Body

D≤101.60mm±0.79mm

Outside Diameter

D≥114.30mm -0.5%OD./+1.0%OD.

 

 

接箍Coupling

±1%OD

壁厚Wall Thickness

-12.5%t

重量 Weight

单根Single Lengths

6.50%

3.50%

车载量Carload Lots

-1.75%

◆机械性能 Mechanical Properties:


钢级

屈服强度

抗拉强度

硬度

Grade

Yield Strength

Tehsile Strength

Hardness

 

最低min

最高max

最低min

最高max

 

Psi

MPa

Psi

MPa

Psi

MPa

HRC

BHC

J55

55,000

379

80,000

552

75,000

517

-

-

K55

55,000

379

80,000

552

95,000

655

-

-

N80

80,000

552

110,000

758

100,000

689

-

-

L80-1

80,000

552

95,000

655

95,000

655

23

241

C90

90,000

621

105,000

724

100,000

689

25.4

255

C95

95,000

655

110,000

758

105,000

724

-

-

T95

95,000

655

110,000

758

125,000

724

25.4

255

P110

110,000

758

140,000

965

100,000

862

-

-