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A581 Type 303

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America ASTM A581Type303 高速切削用耐热不锈钢丝和盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A581Type303 / A581 Type 303
Category Grade Standard Region/Area Standard Content
Metals A581 Type 303 ASTM A581/A581M America 高速切削用耐热不锈钢丝和盘条

Chemical composition(mass fraction)(wt.%) of the A581 Type 303

Element Min Max Similar
C - 0.1500 -
Mn - 2.0000 -
P - 0.2000 -
S 0.1500 - -
Si - 1.0000 -
Ni 8.0000 10.0000 -
Cr 17.0000 19.0000 -
Si - 1.0000 -
S 0.1500 - -
P - 0.2000 -
Ni 8.0000 10.0000 -
Mn - 2.0000 -
Cr 17.0000 19.0000 -
C - 0.1500 -

Mechanical Properties of steel grade A581 Type 303

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
155 (≥) 145 (≥) 21 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade A581 Type 303

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
23 - -     0.42 -  
217 625 - 41.3 123   -  
821 - 23 42.2   421 122

Heat Treatment of steel grade A581 Type 303

Heat treated : 1175°C - 1622°C

Technological Curves of steel grade A581 Type 303

Cross Reference Table (Equivalent Grade) of A581 Type 303

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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