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T30103 | AISI A3 Air-Quenched Tool Steel
T30103 | AISI A3 Air-Quenched Tool Steel

T30103 | AISI A3 Air-Quenched Tool Steel

Product parameters
Material category:: Air-Quenched 5Cr-Mo-V Tool Steel
Material technical standards:: ASTM A681 - 2004
Place of origin:: P. R. China
Product shapes:: Round bar, Flat bar, Hollow bar, Plate, and Forgings.
Ultrasonic test standard:: / GB/T 4162 / EN 10228-3 / EN 10308.
Standard export packing way:: Wooden box, wooden Pallet / tray with free from fumigation.
Production lead time:: Within 55 days after 30% downpayment.
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Description
 
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. 

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.

Chemical Composition (Weight %)
C (％) 1.20 ～ 1.30
Si(％) 0.10 ～ 0.50
Mn(％) 0.40 ～ 0.60
P(％) ≤ 0.030
S (％) ≤ 0.030
Cr (％) 4.75 ～ 5.50
Ni (％) -
Mo(％) 0.90 ~ 1.40
Other (％) V 0.80 ~ 1.40
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) 202 ～ 229
 
Products Shapes and dimensions:
Round bar (Diameter): 5.50 ~ 450mm
Square bar / Flat bar: 3 ~ 600mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 650mm X L (or in coil form)
Forging piece: Different shapes based on OEM

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