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SNB 21-4

Favorite Datasheet

Japan JIS SNB21-4 特殊应用螺栓合金钢棒材料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SNB21-4 / SNB 21-4
Category Grade Standard Region/Area Standard Content
Metals SNB 21-4 JIS G4108 Japan 特殊应用螺栓合金钢棒材料

Chemical composition(mass fraction)(wt.%) of the SNB 21-4

Element Min Max Similar

Mechanical Properties of steel grade SNB 21-4

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)
173 (≥) 722 (≥) 12 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade SNB 21-4

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 - -     0.31 -  
318 669 - 33.3 221   -  
248 - 14 33.2   431 231

Heat Treatment of steel grade SNB 21-4

Heat treated : 1191°C - 1576°C

Technological Curves of steel grade SNB 21-4

Cross Reference Table (Equivalent Grade) of SNB 21-4

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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