Product Details
M3 High Speed Tool Steel, high speed steel,high speed steels, Dia:
2-400mm
Application:
It Is widely used for manufacture of metal-cutting tools,
cold-forming tools, such as cold extrusion rams and dies, as well
as for cutting and precision cutting tools
Chemical composition(%):
C | Si | Mn | P | S | Cr | Mo | V | W |
1.00 - 1.10 | 0.20 - 0.45 | 0.15 - 0.40 | 0.03 max | 0.03 max | 3.80 - 4.50 | 4.75 - 6.50 | 2.25 - 2.75 | 5.00- 6.75 |
Delivery Condition:
| GB/T1299-2000 | DIN | AISI |
Annealed (HB) | <=255 | 240~300 | 212~241 |
Size available:
Round and Square Bar: 2mm-400mm
Flat: thickness:0.6-250mm, width:30-810mm
Length Random Length, Fixed Length, etc.
Mechanical Property
Hot work temperature: (1) Start:1150 °C (2) End: 950 °C
Annealing temperature: 800 °C - 880 °C
Hardness after annealing HBS: ≤262
Quenching temperature: 1200 °C
Quenching medium: oil
Tempering temperature: 560 °C
Hardness after quenching and tempering HRC: ≥64

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Company Profile
SHANGHAI UNITE STEEL
We, Shanghai Unite Steel are committed to integrate
engineering steel resources in china and serve the global
engineering steel market. Our company has more than 15 years of
experience in steel researching, production, managing and sales.
And our team mostly are based on and worked in national famous
steel enterprise.
In the aspect of resources and information, we have established
cooperative and stronger relationship with nearly hundred
enterprises, either state-owned or private owned in china, such as:
DAYE Special Steel-a famous steel enterprise with the longest
steelmaking history; BAO Steel, and Dongbei Special Steel Group-the
biggest special steel manufacturer; TPCO, VALIN-largest seamless
steel tube production enterprise; What's more, we have built long,
deep and close business relationship with dozens of steel
companies, Sharing and holding equities with several steel
enterprises. Because of the close cooperation with steel companies
and our pioneering spirit, which can ensure us stay at the top
competition, and ensure our customers get what they really want!
