4140 Alloy Steel Wire

Stardard:ASTM,JIS,DIN,EN,GB
Material:4140,42CrMo,42CrMo4,42CD4,708M40
OD:1.0-32mm
Delivery time:20-25 days
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Product Details

4140 alloy steel wire has high strength, hardenability, good toughness, small deformation in quenching, high temperature creep strength and lasting strength.

Stardard:ASTM,JIS,DIN,EN,GB

Material:4140,42CrMo,42CrMo4,42CD4,708M40,38XM

OD:1.0-32mm

Delivery time:20-25 days

Origin:China

Chemical composition(%):

C

Si

Mn

P

S

Ni

Cu

Cr

Mo

0.38-0.43

0.15-0.35

0.75-1.00

≤0.035

≤0.040

≤0.30

≤0.030

0.80-1.10

0.15-0.25

Mechanical properties:

Tensile strength(Mpa)

Yield strength(Mpa)

Elongation(%)

Area reduction(%)

1080(Min)

930(Min)

12(Min)

45(Min)

Heat treatment process:

Annealing 760 ± 10 ℃ annealing furnace cooling to 400 ℃ air cooling.HB220-230.

Normalize 860±10℃ normalize, remove from oven and cool.

Quenching of water or oil at ±10℃,tempering at 680-700 degrees.HB < 217.

Quenching of oil at 840±10℃, then tempering at 470 ℃.HRC41-45.

Quenching of oil 840±10℃, then tempering at 480 ℃.HRC35-45.

Quenching of oil at 850℃ ,then tempering at 510 ℃.HRC38-42.

Quenching of oil at 850℃, then tempering at 500 ℃.HRC40-43.

Quenching of oil at 850℃, then tempering at 510℃.HRC36-42.

Quenching of oil at 850℃, then tempering at 560℃.HRC32-36

Quenching of oil at 860℃, and then tempering at 390 ℃.HRC48-52.

Application:

4130 alloy steel wire is used for manufacturing forgings with higher strength and larger quenched and tempered cross section than 4130 steel, such as big gear for locomotive traction, supercharger drive gear, rear axle, connecting rod and spring clamp with great load, and also for drilling pipe joint and fishing tool for oil deep Wells below 2000m.

JDSTEELPIPE is a professional supplier of high quality4140 alloy steel wire. If you have some planning or inquiries, emailinfo@jiade-group.com.

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