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UNS T31501 - AISI O1 Cold Work Tool Steel
UNS T31501 - AISI O1 Cold Work Tool Steel

UNS T31501 - AISI O1 Cold Work Tool Steel

Product parameters
Material technical standards:: ASTM A681 - 2004
Place of origin:: P. R. China
Terms of price:: Ex works, CIF, and CFR
Stock & Inventory available:: Round bar Diam. 20 ~ 170mm
Min. order quantity:: 1000 KG
Standard export packing way:: Wooden box, wooden Pallet / tray with free from fumigation.
Production lead time:: Within 15 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%).

Chemical Composition (mass weight %)
C (％) 0.85 ～ 0.95
Si(％) 0.20 ～ 0.40
Mn(％) 1.00 ～ 1.20
P(％) ≤ 0.030
S (％) ≤ 0.030
Cr (％) 0.40 ～ 0.60
Ni (％) -
Mo(％) -
Other (％) W 0.40 ～ 0.60
V ≤ 0.20
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) 183 ～ 212
Shapes and dimensions:
Round bar (Diameter): 5.50 ~ 400mm
Square bar / Flat bar: 3 ~ 600mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 600mm X L (or in coil form)
Forging piece: Different shapes based on OEM

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