Grade Introduction:

SAE 4140 Alloy Steel  Round Bars are cold drawn annealed steel of comparatively superior hardenability in the company of its chromium content that offers some excellent hardness infiltration, and the molybdenum imparts consistency of soaring potency and hardness. These SAE 4140 Alloy Cold Rolled Round Bars reacts well to heat-treatment and is quite simple to machine in the annealed state. 

Grade Application:

Equivalent grades:

Addition to other grades:

MS, EN1A, EN3B, EN8, EN8D, EN9, EN19, EN24, EN31, EN32B, EN36C, EN41B, EN43B, EN47, EN353, IS2062, 42Crmo4, HCHCR, D2, D3, H-11, H-13, CW-1, OHNS, M2, M35, M42, DIN1.2714, P20, P20+S, P20+Ni,  SCM420, ASTMSA-36, ASTMSA-105, SAE1018, SAE4140, SAE8620, 16MNCR5, 20MNCR5, C20, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE52100, S40C, S355J2G3.

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Our Supply Range: 

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Chemical composition: 

The following table shows the chemical composition of SAE 4140 steel:

Mechanical Properties: 

Hardness: 

Heat treatment: 

Hardening:

Tempering:

Physical Properties: 

Thermal Properties: 

Forging Properties: 

Stress Reliving: 

Normalizing: 

Annealing: 

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Welding: 

Supply Cities:

Ambattur, Bangalore, Chennai, Coimbatore, Dindigul, Guindy, Madurai, Nellore, Hyderabad, Tirupur, Tuticorin, Madurai, Andhra Pradesh, Karnataka, Puducherry, Kerala, Kanyakumari, Telangana, Salem, Thanjavur, Trichy, Erode, Vellore,  Karur, Nagercoil, Kanchipuram, Karaikudi, Pudukottai, Nagapattinam.

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