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C 1940

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Korea KS C1940 铜及铜合金薄板，板材和条带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C1940 / C 1940
Category Grade Standard Region/Area Standard Content
Metals C 1940 KS D 5201 Korea 铜及铜合金薄板，板材和条带

Chemical composition(mass fraction)(wt.%) of the C 1940

Element Min Max Similar
Zn - - -
Pb - 0.0300 -
Ni 16.5000 19.5000 -
Mn - 0.5000 -
Fe - 0.2500 -
Cu 70.0000 75.0000 -

Mechanical Properties of steel grade C 1940

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
634 (≥) 534 (≥) 43 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade C 1940

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 - -     0.13 -  
514 649 - 22.3 314   -  
856 - 42 12.2   212 414

Heat Treatment of steel grade C 1940

Heat treated : 1659°C - 1528°C

Technological Curves of steel grade C 1940

Cross Reference Table (Equivalent Grade) of C 1940

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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