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B Ag20CuZnMn740/790

Favorite Datasheet

China GB BAg20CuZnMn740/790 贵金属及其合金钎料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BAg20CuZnMn740/790 / B Ag20CuZnMn740/790
Category Grade Standard Region/Area Standard Content
Metals B Ag20CuZnMn740/790 GB/T 18762 China 贵金属及其合金钎料

Chemical composition(mass fraction)(wt.%) of the B Ag20CuZnMn740/790

Element Min Max Similar
Zn 21.0000 25.0000 -
Total Others - 0.2000 -
Pb - 0.0500 -
Ni 4.0000 5.0000 -
Mn 6.5000 8.5000 -
Cu 15.0000 17.0000 -
Cd - 0.0500 -
Ag - - -

Mechanical Properties of steel grade B Ag20CuZnMn740/790

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)
335 (≥) 583 (≥) 43 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade B Ag20CuZnMn740/790

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
31 - -     0.33 -  
165 181 - 33.3 341   -  
974 - 42 42.2   213 424

Heat Treatment of steel grade B Ag20CuZnMn740/790

Heat treated : 1478°C - 1679°C

Technological Curves of steel grade B Ag20CuZnMn740/790

Cross Reference Table (Equivalent Grade) of B Ag20CuZnMn740/790

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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Jiangyou Longhai Special Steel Co.,Ltd.

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