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A1-21H

Favorite Datasheet

Japan JIS A1-21H Mechanical properties of corrosion-resistant stainless steel fasteners-Part 3:Set screws and similar fasteners not under tensile stress and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A1-21H / A1-21H
Category Grade Standard Region/Area Standard Content
Metals A1-21H JIS B1054-3 Japan Mechanical properties of corrosion-resistant stainless steel fasteners-Part 3:Set screws and similar fasteners not under tensile stress

Chemical composition(mass fraction)(wt.%) of the A1-21H

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 A1-21H

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)
444 (≥) 898 (≥) 41 24 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade A1-21H

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
21 - -     0.41 -  
178 181 - 21.3 432   -  
676 - 42 14.2   342 413

Heat Treatment of steel grade A1-21H

Heat treated : 1625°C - 1891°C

Technological Curves of steel grade A1-21H

Cross Reference Table (Equivalent Grade) of A1-21H

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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