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40NiCrMo84 Alloy Steel

40NiCrMo84 Alloy Steel
40NiCrMo84 Alloy Steel
Product Description

With help of consistent efforts and dedication of our experts, we have been able to manufacture and supply a wide range of 40NiCrMo84 Alloy Steel to our esteemed clients. It is a medium carbon, low alloy steel. This alloy steel is utilized in all metal cutting tools for roughing and finishing including twist drills, thread dies, reamers, broaches, and woodworking tools. Apart from this, 40NiCrMo84 Alloy Steel is highly admired for its great cutting edge retention and high toughness. Also, it is obtainable at very budget-friendly prices to access a large number of people.

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

Salt Bath, at least 520°C Oil, Air

Tempering °C

at least twice 530-560

Hardness after Temperature HRC

64-66

Contact Us

Unit No.1201 & 1202, Ghanshyam Enclave P. Co-Op. Soc. Ltd., New Link Road, Near Laljipada Police Station, Kandivali (West) Mumbai Maharashtra India 28693824
Phone :28693824