M42 Tool Steel Rod

Products Description

M42 high speed steel is a premium cobalt high speed steel with a chemical composition designed for high hardness and superior hot hardness. These properties make the steel an excellent choice for machining high-strength and pre-hardened steels, high-hardness alloys, and the difficult-to-machine, nonferrous super alloys used in the aerospace, oil, and power generation industries.

Chemical Composition Table (%)

Item	C	Si	Mn	S/P	Co	W	Mo	Cr	V
Min	1.05	0.15	0.15		7.50	1.15	9.00	3.50	0.95
Max	1.15	0.65	0.40	0.015	8.50	1.85	10.0	4.25	1.35

Mechanical Property

Temperature ℃	Density g/cm3	Modulus of elasticity KN/mm2	Coefficient of thermal expansion	Heat transfer coefficient W/m℃	Specific heat J/Kg℃
20	8.18	230		22	395
400	8.08	215	1.18 x 10-6	27	485
600	8.03	201	1.95 x 10-6	25	525

M42 High Speed Steel Physical PropertIES

Tool Bits	Broach	Gear cutter	Pinch	Taps,Saw
Grain Size
9-10	10-11	10-11	10-11	10-11
Hardened Hardness (HRC)
68-69	67-68	67-68	67-68	67-68

Product Picture

Our factory

Steel Making

Ingot Production

Forged Bars

Machinary

Application

M42 High Speed Steel Bar can be used for a variety of purposes: twist drills, taps, milling cutters, reamers, saw blades, broaches, roll-to-inserts, gear cutters and other gear cutters. In addition to cutting tools with red hardness requirements, they can also be used as cold work tool steels, such as die cutting, forming and embossing.

FAQ

1 Q:Do you accept sample order?
A: Yes, we accept the sample order. If you order the small piece in stock, it is free.
While you needs arrange the shipping or pay for the shipping cost.

2 Q: How long is your delivery time?
A: Usually 30 to 40 days after your down payment, it also according to the material requirement
and the quantity you required.
3 Q: What is your terms of payment.
A: Payment less or equal 10000USD,100% T/T in advance. Payment more than 1000USD,
40% T/T in advance, balance before shippment. Also accept the L/C at sight.

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