SNB 21-3

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Japan JIS SNB21-3 特殊应用螺栓合金钢棒材料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SNB21-3 / SNB 21-3

Category	Grade	Standard	Region/Area	Standard Content
Metals	SNB 21-3	JIS G4108	Japan	特殊应用螺栓合金钢棒材料

Chemical composition(mass fraction)(wt.%) of the SNB 21-3

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade SNB 21-3

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
211 (≥)	836 (≥)	42	41	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	131

Physical Properties of steel grade SNB 21-3

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
32	-	-			0.22	-
163	854	-	21.3	323		-
685	-	44	44.2			334	124

Heat Treatment of steel grade SNB 21-3

Heat treated : 1985°C - 1111°C

Technological Curves of steel grade SNB 21-3

No Curve

Cross Reference Table (Equivalent Grade) of SNB 21-3

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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