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Grade T22

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India IS GradeT22 Specification for steel tubes for steel exchangers. Part 4: Seamless alloy steel tubes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GradeT22 / Grade T22
Category Grade Standard Region/Area Standard Content
Metals Grade T22 IS 11714-4 India Specification for steel tubes for steel exchangers. Part 4: Seamless alloy steel tubes

Chemical composition(mass fraction)(wt.%) of the Grade T22

Element Min Max Similar
Si - 0.5000 -
S - 0.0300 -
P - 0.0300 -
Mo 0.8700 1.1300 -
Mn 0.3000 0.6000 -
Cr 1.9000 2.6000 -
C - 0.1500 -

Mechanical Properties of steel grade Grade T22

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)
379 (≥) 885 (≥) 12 43 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade Grade T22

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
23 - -     0.41 -  
137 991 - 12.3 414   -  
227 - 23 42.2   132 131

Heat Treatment of steel grade Grade T22

Heat treated : 1646°C - 1423°C

Technological Curves of steel grade Grade T22

Cross Reference Table (Equivalent Grade) of Grade T22

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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