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42CrMo4

42CrMo4 Applications:

42CrMo4 is extensively used in a variety of industries. 42CrMo4 is widely used in structural applications, including bridges, buildings and construction equipment and more.

42CrMo4 Specification:

Thickness: 6-400 mm Width: 1600-4200 mm Length: 4000-15000mm send e-mail [email protected]

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GB/T 3077 42CrMo4 alloy steel

Hardness: <=217HBW
Thermal processing Temperature1050-850
Heat Treatment: Annealed: 680-720°C
Normalized: 840-880°C
Quenched: 820-850°Cfor water, 830-860°C for oil
Tempered: 540-680°C

42CrMo4 alloy steel Chemical composition %:

C

Si

Mn

P

S

Cr

Mo

0.38- 0.45

max   0.4

0.6 - 0.9

max   0.025

max   0.035

0.9 - 1.2

0.15 - 0.3

GB/T 3077 42CrMo4 Mechanical properties:

Yield
Rp0.2 (MPa)

Tensile
Rm (MPa)

Impact
KV/Ku (J)

Elongation
A (%)

252 (≥)

877 (≥)

24

14

GB/T 3077 42CrMo4 Applications:
To manufacture high strength and conditioning section part that request more than 35CrMo, such as locomotive traction gear, supercharger gear. Connecting rod and spring clip, can also be used for oil drill pipe joints below 2000m deep.

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