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Tool steel W1

(submitted by the website administration)

USA: AISI W1, UK: BW1, Sweden: USA W1, Germany: 1.1654, Japan: SK2
Chemical composition: C=1.0%, Mn=0.35%, Si=0.3%
Property Value in metric unit Value in US unit
Density 7.83 *10³ kg/m³ 488.8 lb/ft³
Modulus of elasticity 205 GPa 29700 ksi
Thermal expansion (20 ºC) 10.4*10-6 ºCˉ¹ 5.78*10-6 in/(in* ºF)
Specific heat capacity 461 J/(kg*K) 0.11 BTU/(lb*ºF)
Electric resistivity 3.0*10-7 Ohm*m 3.0*10-5 Ohm*cm
Annealing temperature 690...710 ºC 1280...1420 ºF
Quenching temperature 760...780 ºC 1400...1440 ºF
Tempering temperature 100...300 ºC 210...570 ºF
Hardness (annealed) 91 RB 91 RB
Hardness (hardened) 65 RC 65 RC
Quenching medium Water
Hardening depth Low
Resistivity to distortion Low
Resistivity to cracking Low
Machinability Very high
Toughness High
Wear resistance Low

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tool_steel_w1.txt · Last modified: 2023/12/13 by dmitri_kopeliovich
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