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WM 72

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South Africa SANS WM72 White metal designated WM 72 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: WM72 / WM 72
Category Grade Standard Region/Area Standard Content
Metals WM 72 SANS 107 South Africa White metal designated WM 72

Chemical composition(mass fraction)(wt.%) of the WM 72

Element Min Max Similar
Zn - 0.0100 -
Total Others - 0.3000 -
Sn 70.0000 74.0000 -
Sb 9.0000 11.0000 -
Pb 10.0000 14.0000 -
Fe - 0.0500 -
Cu 5.0000 7.0000 -

Mechanical Properties of steel grade WM 72

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)
825 (≥) 974 (≥) 13 42 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade WM 72

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
11 - -     0.42 -  
995 882 - 12.3 334   -  
464 - 21 13.2   321 241

Heat Treatment of steel grade WM 72

Heat treated : 1913°C - 1831°C

Technological Curves of steel grade WM 72

Cross Reference Table (Equivalent Grade) of WM 72

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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