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AISI M2 / T11302 High Speed Steel

Product parameters
Material Category:: Tungsten-Molybdenum type High Speed Steel
Place of Origin: P. R. China
Stocklist & Inventory Available:: Round bar Diam. 3mm ~ 55mm
Min. order quantity Per Batch:: 500 KG
Production Lead Time:: Within 15 days after 30% downpayment.
Unified Social Credit Code:: 91510871777942750J
Company ISO Register No:: UQ211218R0
AISI M2 / T11302 Steel is molybdenum based high-speed steel in tungsten–molybdenum series. T11302 / M2 is a medium alloyed high speed steel which has good machinability. its chemical composition gives a good combination of well-balanced toughness, wear resistance and red hardness properties. Widely used for cutting tools such as twist drills, taps, milling cutters, saws, knives etc. Also commonly used in cold work punches and dies and cutting applications involving high speed and light cuts.
The alloy is usually produced by EAF & AOD followed by electroslag remelting (ESR) / VAR if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
Bars are usually supplied black/bright in the annealed condition.

Main chemical composition (mass weight %)
C (%) 0.78 ~ 0.88, Si(%) 0.20 ~ 0.50, Mn(%) 0.15 ~ 0.40
P(%) ≤ 0.030,  S (%) ≤ 0.030
Cr (%) 3.50 ~ 4.00, Ni (%) - , Mo(%) 4.50 ~ 5.50,W (%) 5.50 ~ 6.75
V (%): 0.30 ~ 0.50, Fe (%): remainder

Typical Mechanical Properties
Condition of heat treatment annealing
Tensile Rm (MPa) -
Yield Rp0.2 (MPa) -
Elongation A (%) -
Reduction in cross section on fracture Z (%) -
Impact AKV/AKU (J) -
Brinell Hardness (HBW) 212 ~ 241
Shapes and dimensions
Round bar (Diameter): 5.50 ~ 650mm
Square bar / Flat bar: 3 ~ 650mm
Wire rod (Diameter): 0.10 ~ 16mm
Forging piece: Different shapes based on OEM

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