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T61203 / AISI L3 High Carbon Chromium-Vanadium Steel

Product parameters
Material Category:: High Carbon Cr-V Tool Steel
Material Technical Standards:: ASTM A681 - 2004
Product Shapes:: Round bars, flat bars, plate
Standard Export Packing Way:: Wooden box, pallet / tray free from fumigation
Production Lead Time:: Within 65 days after 40% deposit prepayable
Unified Social Credit Code:: 91510871777942750J
Company ISO Register No:: UQ211218R0

The alloy is usually produced by BEF & 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.

Tool steel is to fabricate the cutting tool, measuring implement, mould, and wear-resisting tool, it possesses higher hardness and keeps maintaining the high hardness and redhardness under high temperature, and more abrasive resistance, proper toughness. Tool steel is commontly divided into carbon tool steel, alloy tool steel, high speed steel.  
Alloy tool steel is one type of steel adds the alloying elements in the carbon tool steel, such as Si, Mn, Ni, Cr, W, Mo, V. Adding the elements (Cr, Mn) can improve the hardenability of tool steel. Or adding other alloying elements meanwhile (the gross is not more than 5%).
Alloy tool steel is widely used to produce the cutting tool, cold/heat distortion mould and measuring implement. and further to manufacture the piston, valve, valve seat of fuel pump of engine.

Chemical Composition (mass weight %)
C (%) 0.95 ~ 1.10
Si(%) 0.10 ~ 0.50
Mn(%) 0.25 ~ 0.80
P(%) ≤ 0.030
S (%) ≤ 0.030
Cr (%) 1.30 ~ 1.70
Ni (%) -
Mo(%) -
Other (%) V 0.10 ~ 0.30
Mechanical Properties AT RM
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) 174 ~ 201
Products Shapes and Dimensions:
Round bar (Diameter): 5.50 ~ 600mm
Square bar / Flat bar: 3 ~ 610mm
Wire rod (Diameter): 0.50 ~ 13mm

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