AISI M2 Steel – JIS SKH51 – DIN 1.3343

M2 high speed tool steel is tungsten-molybdenum high-speed steel with a well-balanced carbon composition and high toughness. It is also called JIS SKH51 and DIN 1.3343 steel. It is easy to overheat, control the quenching heating temperature is necessary and the heat treatment protection requirements are strict. It is used widely to make cutting tools because of its great hardness and wear resistance. It has replaced T1 high speed steel in most applications, become the first choice of customer due to its great performance and extremely high-performance price ratio. M2 steel round bar sheet plate properties and chemical composition as below.

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M2 Steel Grade Equivalent Chart

Country USA Germany/UK/France JAPAN ISO
Standard ASTM A600-92a EN ISO 4957-1999 JIS G4403-2006 ISO 4957-1999
Grades M2(Standard C) HS 6-5-2 SKH51 HS 6-5-2
Delivery condition:In annealing (≤255HB), or after heat treatment (62-64HRC). Quality control: 100% UT (Ultrasonic Testing), UT Standard is SEP 1921-84 C/c.

Certificate & SGS Report

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