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IS 276 Grade 7

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India IS IS276Grade7 Austenitic-Manganese Steel Castings - Specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: IS276Grade7 / IS 276 Grade 7
Category Grade Standard Region/Area Standard Content
Metals IS 276 Grade 7 IS 276 India Austenitic-Manganese Steel Castings - Specification

Chemical composition(mass fraction)(wt.%) of the IS 276 Grade 7

Element Min Max Similar
Si 0.3000 0.9000 -
S - 0.0250 -
P - 0.0800 -
Mn 16.0000 19.0000 -
Cr 1.5000 2.5000 -
C 1.0500 1.3500 -

Mechanical Properties of steel grade IS 276 Grade 7

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)
463 (≥) 478 (≥) 14 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade IS 276 Grade 7

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
12 - -     0.11 -  
627 341 - 14.3 222   -  
858 - 31 21.2   231 234

Heat Treatment of steel grade IS 276 Grade 7

Heat treated : 1613°C - 1787°C

Technological Curves of steel grade IS 276 Grade 7

Cross Reference Table (Equivalent Grade) of IS 276 Grade 7

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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