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Coiled Tubing

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Coiled Tubing Chemical Composition Requirements

Grade

max C

max Mn

max P

max S

max Si

ST70

0.16

1.20

0.025

0.005

0.50

ST80

0.16

1.20

0.020

0.005

0.50

ST90

0.16

1.20

0.020

0.005

0.50

ST100

0.16

1.65

0.025

0.005

0.50

ST110

0.16

1.65

0.025

0.005

0.50

ST130

0.16

1.90

0.025

0.005

0.50     

 

 Coiled Tubing Mechanical Performance Test

 

Grade

Yield Strengthmin

Yield Strengthmax

Tensile Strengthmin

Greatest degree of hardnessHRC

psi

Mpa

psi

MPA

psi

Mpa

Tube body and weld

ST70

70,000

(483)

80,000

(552)

80,000

(552)

22

ST80

80,000

(552)

90,000

(620)

88,000

(607)

22

ST90

90,000

(620)

100,000

(689)

97,000

(669)

22

ST100

100,000

(689)

 

 

108,000

(758)

28

ST110

110,000

(758)

 

 

115,000

(793)

30

ST130

130,000

(896)

 

 

135,000

(931)

36

 

         

CRA Coiled Tubing

  The user can choose the alloy and steel grade according to the operation condition listed . Sizes can be according to the requirements of API Spec 5 ST, the requirements of customers.

  Material reference: 316,825,625,2205,2507,13Cr, Titanium alloy.

 

Hydraulic Control Tube

  Various sizes of hydraulic control tube can be produced according to users requirements and products comply with ASTM A269 or customized according to the requirements of customers.

 

Hydraulic Control Tube Size Table

 Materials

 Size/mm

316L

3.18*1.24

825

625

6.35*1.24

2205

2507

9.53*1.24

Titanium Alloy

Note: Please consult us for other size not listed.