8b

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Germany DIN 8b 耐蚀钢紧固件的机械性能-第1部分：螺栓、螺钉和螺柱 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 8b / 8b

Category	Grade	Standard	Region/Area	Standard Content
Metals	8b	DIN EN ISO 3506-1	Germany	耐蚀钢紧固件的机械性能-第1部分：螺栓、螺钉和螺柱

Chemical composition(mass fraction)(wt.%) of the 8b

Element	Min	Max	Similar
Ti	-	1.1000	-
Ni	-	1.0000	-
Cr	16.0000	18.0000	-
S	-	0.0300	-
P	-	0.0400	-
Mn	-	1.0000	-
Si	-	1.0000	-
C	-	0.0700	-

Mechanical Properties of steel grade 8b

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)
923 (≥)	931 (≥)	13	44	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	441

Physical Properties of steel grade 8b

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	-	-			0.43	-
588	221	-	22.3	231		-
544	-	32	24.2			442	241

Heat Treatment of steel grade 8b

Heat treated : 1392°C - 1961°C

Technological Curves of steel grade 8b

No Curve

Cross Reference Table (Equivalent Grade) of 8b

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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