BS 1387 Oil Casing and Casing Pipe APL SPEC 5CT Low Tolerance Best Quality BS Standard

Standard: APL SPEC 5CT

 

Tolerance

 

Item

Tolerance

Outside Diameter

 

Pipe Body

D≤101.60mm±0.79mm

D≥114.30mm  +1.0%D-.5%D

coupling

±1%D

Wall Thickness

0,-12.5%t

Weight

Single Lengths

+6.5%-3.5%

Carload Lots

0,-1.75%

 

Length

 

 

 (Range 1)

 (Pange 2)

 (Pange 3)

Tubing

6.10-7.32m

8.53-9.75m

11.58-12.80m

Casing

4.88-7.62m

7.62-10.36m

10.36-14.63m

Pup Joint

0.5m-6.0m(2FEET-20FEET)

 

Mechanical Properties:

 

Group

Grade

Yield Strength

Tensile Strength

Hardness

Allowable Hardness Variation

min

max

min

max

Psi

Mpa

Psi

Mpa

Psi

Mpa

HRC

BHN

HRC

1

J55

55,000

379

80,000

552

75,000

517

-

-

-

K55

55,000

379

80,000

552

95,000

655

-

-

-

N80-1

80,000

552

80,000

758

100,000

689

-

-

-

N80Q

80,000

552

80,000

758

100,000

689

 

 

-

2

M65

65,000

448

85,000

586

85,000

586

22

235

-

L80-1

80,000

552

95,000

655

95,000

655

23

241

-

C90-1

90,000

621

105,000

724

100,000

689

25.4

255

3.0

C90-2

90,000

621

105,000

724

100,000

689

25.4

255

3.0

C95

95,000

655

110,000

758

105,000

724

-

-

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