ROUND BAR AISI 4130

Grade

Condition

Shape

Finish

4130

Annealed

Round Bars

Cold Rolled

4130

Annealed

Round Bars

Ground

4130

Annealed

Round Bars

Hot Rolled

4130

Annealed

Round Bars

Rough Turned

4130

Heat Treated

Round Bars

Cold Rolled

4130

Heat Treated

Round Bars

Ground

4130

Heat Treated

Round Bars

Hot Rolled

4130

Heat Treated

Round Bars

Rough Turned

4130

Normalized

Round Bars

Cold Rolled

4130

Normalized

Round Bars

Ground

4130

Normalized

Round Bars

Hot Rolled

4130

Normalized

Round Bars

Rough Turned

CHEMISTRY DATA : 

  

Carbon

0.28 – 0.33

Chromium

0.8 – 1.1

Manganese

0.7 – 0.9

Molybdenum

0.15 – 0.25

Phosphorus

0.035 max

Silicon

0.15 – 0.35

Sulphur

0.04 max

The properties requirements of spec L80 are: 

API L80

Minimum Yield Strength: 80,000 psi
Maximum Yield Strength: 95,000 psi
Minimum Tensile Strength: 95,000 psi
Hardness Requirement: 23 HRC maximum
Notes: Manufactured to API specification 5CT. This is a controlled yield strength material with a hardness testing requirement. L80 is usually used in wells with sour (H2S) environments.