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AISI 4340 Alloy Steel

AISI 4340 Alloy Steel

70.00 - 110.00 INR

Product Details:

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AISI 4340 Alloy Steel Price And Quantity

  • 200 Kilograms
  • 70.00 - 110.00 INR

AISI 4340 Alloy Steel Trade Information

  • 200 Kilograms Per Month
  • 1 -3 Months

Product Description

Owing to our rich experience in this domain, we are involved in manufacturing and supplying a wide assortment of 4340 Alloy Steel to our honorable clients. It is composed of iron, nickel, carbon, and manganese. This alloy steel has bulk modulus of around 140 GPa and yield strength of around 470MPa. It is widely used in aircraft landing gear, forging, oil & drilling, and machine building. Further, it also finds application in manufacturing of heavy-duty shafts, gears, axles, spindles, couplings, pins, chucks, and molds. Apart from this, 4340 Alloy Steel is obtainable at very economical price keeping in mind budget of customers.

Technical Specification

Grade

C

Mn

P

S

Si

Ni

Cr

Mo

4340

0.38-0.43

0.60-0.80

0.035 max

0.040 max

0.15-0.35

1.65-2.00

0.70-0.90

0.20-0.30

Physical Properties

Thermal Conductivity at °C

W / (m*K)

20

40.5

350

32.5

700

25.5

Heat Treatment

Soft Annealing °C

650-700

Cooling

Slowly

Hardness HB

max. 280

Stress-relief Annealing C

630-650

Cooling

Furnace


1st Pre-Heating °C

up to approx. 400 in an air-circulating furnace

2nd and 3rd

780 and 1000

Hardening °C

1190-1230

Quenching

at least 520C Oil, Air

Tempering °C

at least twice 530-560

Hardness after Temperature HRC

64-66

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