ZCuZn31Al2

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China GB ZCuZn31Al2 铸造铜合金技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ZCuZn31Al2 / ZCuZn31Al2

Category	Grade	Standard	Region/Area	Standard Content
Metals	ZCuZn31Al2	GB/T 1176	China	铸造铜合金技术条件

Chemical composition(mass fraction)(wt.%) of the ZCuZn31Al2

Element	Min	Max	Similar
Zn	-	-	-
Sn	-	1.0000	-
Si	-	0.1000	-
Sb+P+As	-	0.4000	-
Pb	-	0.5000	-
Others total	-	2.0000	-
Ni	-	3.0000	-
Mn	0.1000	3.0000	-
Fe	0.5000	2.0000	-
Cu	57.0000	65.0000	-
Al	0.5000	2.5000	-

Mechanical Properties of steel grade ZCuZn31Al2

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)
377 (≥)	414 (≥)	44	14	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	124

Physical Properties of steel grade ZCuZn31Al2

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	-	-			0.44	-
124	719	-	42.3	443		-
345	-	13	33.2			443	121

Heat Treatment of steel grade ZCuZn31Al2

Heat treated : 1255°C - 1196°C

Technological Curves of steel grade ZCuZn31Al2

No Curve

Cross Reference Table (Equivalent Grade) of ZCuZn31Al2

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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