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AISI 4130 steel plate/sheet Applications and Weldability

AISI 4130 steel plate/sheet Applications and Weldability

Posted:2015-11-30 10:48:24

AISI 4130 steel plate/sheet Applications and Weldability

AISI 4130 steel is a versatile alloy, with good atmospheric corrosion resistance. As an alloy steel containing chromium and molybdenum as strengthening agents, AISI 4130 has good strength and toughness, weldability and machinability.

 

AISI 4130 Chemical Composition:

 

C

Si

Mn

P

S

Cr

Mo

Min

0.28

0.15

0.4

0.8

0.15

Max

0.33

0.35

0.6

0.035

0.04

1.1

0.25

 

AISI 4130 Mechanical Properties:

Properties

Metric

Imperial

Tensile strength, ultimate

560 MPa

81200 psi

Tensile strength, yield

460 MPa

66700 psi

Modulus of elasticity

190-210 GPa

27557-30458 ksi

Bulk modulus (Typical for steel)

140 GPa

20300 ksi

Shear modulus (Typical for steel)

80 GPa

11600 ksi

Poissons ratio

0.27-0.30

0.27-0.30

Elongation at break (in 50 mm)

21.50%

21.50%

 

AISI 4130 Applications:
This low-alloy steel finds many applications as forgings in the aerospace and oil and gas industries – as forged valve bodies and pumps, as well as in the automotive, agricultural and defense industries.

 

AISI 4130 Weldability:
Weldability of 4130 is good, and the alloy may be welded using any commercial method. The material may require a post-weld stress relief heat treatment in certain instances. Low-hydrogen electrodes are recommended together with preheat at 300 – 500 º F (150 – 260 º C.) to be maintained during welding, Cool slowly and stress relieve where possible.

 

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