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Japan JIS C1720R 铍铜合金,钛铜合金,磷青铜,铜,镍,锡合金,镍银片弹簧,钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C1720R / C 1720 R
Category Grade Standard Region/Area Standard Content
Metals C 1720 R JIS H3130 Japan 铍铜合金,钛铜合金,磷青铜,铜,镍,锡合金,镍银片弹簧,钢板和钢带

Chemical composition(mass fraction)(wt.%) of the C 1720 R

Element Min Max Similar

Mechanical Properties of steel grade C 1720 R

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)
127 (≥) 672 (≥) 32 22 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade C 1720 R

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 - -     0.22 -  
186 112 - 23.3 311   -  
916 - 22 31.2   411 423

Heat Treatment of steel grade C 1720 R

Heat treated : 1398°C - 1452°C

Technological Curves of steel grade C 1720 R

Cross Reference Table (Equivalent Grade) of C 1720 R

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