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MAR-M 302

Favorite Datasheet

America SAE MAR-M302 Special Purpose Alloys (Superalloys) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: MAR-M302 / MAR-M 302
Category Grade Standard Region/Area Standard Content
Metals MAR-M 302 SAE J 467B America Special Purpose Alloys (Superalloys)

Chemical composition(mass fraction)(wt.%) of the MAR-M 302

Element Min Max Similar
Zr - - 0.2000
W - - 10.0000
Ta - - 9.0000
Si - - 0.2000
Mn - - 0.1000
Fe - - 0.7000
Cr - - 21.5000
Co - - -
C - - 0.8500
B - - 0.0050

Mechanical Properties of steel grade MAR-M 302

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)
864 (≥) 275 (≥) 21 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade MAR-M 302

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
22 - -     0.43 -  
367 797 - 12.3 134   -  
551 - 24 21.2   332 244

Heat Treatment of steel grade MAR-M 302

Heat treated : 1858°C - 1845°C

Technological Curves of steel grade MAR-M 302

Cross Reference Table (Equivalent Grade) of MAR-M 302

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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