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A1-025

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Japan JIS A1-025 Mechanical properties of corrosion-resistant stainless steel fasteners-Part 2:Nuts and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A1-025 / A1-025
Category Grade Standard Region/Area Standard Content
Metals A1-025 JIS B1054-2 Japan Mechanical properties of corrosion-resistant stainless steel fasteners-Part 2:Nuts

Chemical composition(mass fraction)(wt.%) of the A1-025

Element Min Max Similar
C - 0.1200 -
Mn - 6.5000 -
P - 0.2000 -
S 0.1500 0.3500 -
Si - 1.0000 -
Ni 5.0000 10.0000 -
Cr 16.0000 19.0000 -
Mo - 0.7000 -
Cu 1.7500 2.2500 -

Mechanical Properties of steel grade A1-025

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)
269 (≥) 845 (≥) 34 42 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade A1-025

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
24 - -     0.41 -  
329 567 - 32.3 243   -  
959 - 11 22.2   343 133

Heat Treatment of steel grade A1-025

Heat treated : 1589°C - 1295°C

Technological Curves of steel grade A1-025

Cross Reference Table (Equivalent Grade) of A1-025

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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