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IS 9321 Grade 8A

Favorite Datasheet

India IS IS9321Grade8A Material for alloy cast iron valve seat inserts and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: IS9321Grade8A / IS 9321 Grade 8A
Category Grade Standard Region/Area Standard Content
Metals IS 9321 Grade 8A IS 9321 India Material for alloy cast iron valve seat inserts

Chemical composition(mass fraction)(wt.%) of the IS 9321 Grade 8A

Element Min Max Similar
Si 2.4000 2.6000 -
S - 0.0800 -
P - 0.2000 -
Ni 14.0000 16.0000 -
Mn - 1.5000 -
Cu 6.0000 7.0000 -
Cr 2.2000 2.5000 -
C 1.6000 1.8000 -

Mechanical Properties of steel grade IS 9321 Grade 8A

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)
459 (≥) 557 (≥) 13 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade IS 9321 Grade 8A

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 - -     0.24 -  
378 453 - 33.3 412   -  
149 - 14 33.2   241 433

Heat Treatment of steel grade IS 9321 Grade 8A

Heat treated : 1115°C - 1598°C

Technological Curves of steel grade IS 9321 Grade 8A

Cross Reference Table (Equivalent Grade) of IS 9321 Grade 8A

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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