SoMs68

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Germany DIN SoMs68 Wrought copper alloys; copper-zinc alloys (brass); (special brass); chemical composition and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SoMs68 / SoMs68

Category	Grade	Standard	Region/Area	Standard Content
Metals	SoMs68	DIN 17660	Germany	Wrought copper alloys; copper-zinc alloys (brass); (special brass); chemical composition

Chemical composition(mass fraction)(wt.%) of the SoMs68

Element	Min	Max	Similar
Zn	-	-	-
Tot. other	-	0.5000	-
Si	0.7000	1.3000	-
Pb	-	0.8000	-
Ni	-	0.5000	-
Fe	-	0.4000	-
Cu	66.0000	70.0000	-
Zn	-	-	-
Tot. other	-	0.5000	-
Si	0.7000	1.3000	-
Pb	-	0.8000	-
Ni	-	0.5000	-
Fe	-	0.4000	-
Cu	66.0000	70.0000	-
Zn	-	-	-
Tot. other	-	0.5000	-
Si	0.7000	1.3000	-
Pb	-	0.8000	-
Ni	-	0.5000	-
Fe	-	0.4000	-
Cu	66.0000	70.0000	-

Mechanical Properties of steel grade SoMs68

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)
938 (≥)	836 (≥)	11	42	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	441

Physical Properties of steel grade SoMs68

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	-	-			0.43	-
566	295	-	34.3	114		-
241	-	34	31.2			212	133

Heat Treatment of steel grade SoMs68

Heat treated : 1413°C - 1991°C

Technological Curves of steel grade SoMs68

No Curve

Cross Reference Table (Equivalent Grade) of SoMs68

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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