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Grade 21 Hard Yellow Gold

Favorite Datasheet

India IS Grade21HardYellowGold Gold Solders for Use in Manufacture of Jewellery - Specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Grade21HardYellowGold / Grade 21 Hard Yellow Gold
Category Grade Standard Region/Area Standard Content
Metals Grade 21 Hard Yellow Gold IS 3095 India Gold Solders for Use in Manufacture of Jewellery - Specification

Chemical composition(mass fraction)(wt.%) of the Grade 21 Hard Yellow Gold

Element Min Max Similar
Zn - - 1.0000
In - - 2.8000
Cu - - 2.0000
Au - - 91.8000
Ag - - 2.4000

Mechanical Properties of steel grade Grade 21 Hard Yellow Gold

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)
466 (≥) 152 (≥) 33 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade Grade 21 Hard Yellow Gold

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
32 - -     0.32 -  
529 639 - 43.3 242   -  
699 - 21 21.2   114 213

Heat Treatment of steel grade Grade 21 Hard Yellow Gold

Heat treated : 1427°C - 1991°C

Technological Curves of steel grade Grade 21 Hard Yellow Gold

Cross Reference Table (Equivalent Grade) of Grade 21 Hard Yellow Gold

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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