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AISI A5 / UNS T30105 Cr-Mn-Mo Besed Tool Steel
AISI A5 / UNS T30105 Cr-Mn-Mo Besed Tool Steel

AISI A5 / UNS T30105 Cr-Mn-Mo Besed Tool Steel

Product parameters
Material Category:: Air-Quenched Tool Steel
Material Technical Standards:: ASTM A681 - 2004
Place of Origin: P. R. China
Surface Condition:: Peeled - Rough turned - Shot blasted - Bright surface.
Standard Export Packing Way:: Wooden box, wooden Pallet / tray with free from fumigation.
Production Lead Time:: Within 55 days after 30% downpayment.
Unified Social Credit Code:: 91510871777942750J
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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.  
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%).

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.

Chemical Composition (mass weight %)
C (％) 0.95 ～1.05
Si(％) 0.10 ～0.50
Mn(％) 2.80 ～ 3.20
P(％) ≤ 0.030
S (％) ≤ 0.030
Cr (％) 0.90 ～ 1.20
Ni (％) -
Mo(％) -
Other (％) -

Typical Mechanical Properties At Room Temp.
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) 228 ～ 255
 
Product 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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