CuSn8 FB440

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Germany DIN CuSn8FB440 Wrought copper alloy strips for springs; technical conditions of delivery and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CuSn8FB440 / CuSn8 FB440

Category	Grade	Standard	Region/Area	Standard Content
Metals	CuSn8 FB440	DIN 1780	Germany	Wrought copper alloy strips for springs; technical conditions of delivery

Chemical composition(mass fraction)(wt.%) of the CuSn8 FB440

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade CuSn8 FB440

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)
428 (≥)	719 (≥)	13	11	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	123

Physical Properties of steel grade CuSn8 FB440

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
24	-	-			0.23	-
567	615	-	42.3	211		-
429	-	22	41.2			414	121

Heat Treatment of steel grade CuSn8 FB440

Heat treated : 1614°C - 1356°C

Technological Curves of steel grade CuSn8 FB440

No Curve

Cross Reference Table (Equivalent Grade) of CuSn8 FB440

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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