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Stock AISI 4140 L80 Cold Drawn Quenched Tempered Seamless Alloy Steel Tube for Pup Joint

Stock AISI 4140 L80 Cold Drawn Quenched Tempered Seamless Alloy Steel Tube for Pup Joint

Stock AISI 4140 L80 Cold Drawn Quenched Tempered Seamless Alloy Steel Tube for Pup Joint
Stock AISI 4140 L80 Cold Drawn Quenched Tempered Seamless Alloy Steel Tube for Pup JointStock AISI 4140 L80 Cold Drawn Quenched Tempered Seamless Alloy Steel Tube for Pup Joint
CategoriesHollow Bars
Brandfushun
Steel GradeL80 4140
OD3.908ich
ID2.959ich
Length4ft, 10ft, 20ft
Stock70 tons
ProcessCold Drawn+Stress Relieved+Quenched and Tempered
Update TimeMar 29,2024
Detail Information
Standard
Products Details:

Standard: API 5CT or API 6A or ASTM A519

Apply to making pip joint for oil and gas services.

Process: Cold Drawn+Stress Relieved+Quenched and Tempered

Surface&End: Black Surface with plaint end.

Guarntee the drift testing(Drift Size: Dia2.9inch, Length42inch

Steel Grade

OD&Tolerance

ID&Tolerance

Length

Tons

PCS

L80 4140

88.9mm ; 3-1/2inch

7.34mm

4ft

21.3

270

10ft

1.9

63

20ft

32.7

207

Chemical composition Tested:

Steel Grade

C

Si

Mn

P

S

Cr

Ni

Mo

Cu

V

4140

0.38

0.23

0.80

0.011

0.002

1.0

0.02

0.18

0.02

0.01

Mechanical Properties Tested:

Tensile Strength/ Rm Mpa

Yield Strength/ ReH

Mpa(0.2%)

Elongation/A in 2″

Reduction Area A%

Hardness(BHN)(ASTM E10):

725

641

25

62

225

Charpy V Notch Impact(J)(ASTM E23):

Steel Grade

Charpy impact(J)

@21℃

Charpy impact(J)

@-29℃

Charpy impact(J)

@-60℃

Longitudinal

Longitudinal

Longitudinal

AISI 4140

199/204/211

175

139/140/136

138

177/181/189

182

Non Metal Inclusion(ASTM E45 method A):

A

B

C

D

Macroscopic Structure:

Heavy

Thin

Heavy

Thin

Heavy

Thin

Heavy

Thin

Ordinary Porosity

Centre Porosity

Segregation

0

0.5

0

0.5

0

0

0.0

1.0

1.0

0.5

0.5

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