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MST 821

Favorite Datasheet

Global 企业标准 MST821 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: MST821 / MST 821
Category Grade Standard Region/Area Standard Content
Metals MST 821 -- Global

Chemical composition(mass fraction)(wt.%) of the MST 821

Element Min Max Similar
Ti - - -
Ta 0.5000 1.5000 -
O 0.0800 0.1200 -
N - 0.0200 -
H - 0.0001 -
Fe - 0.4000 -
Cb 1.5000 2.5000 -
C - 0.0800 -
Al 7.5000 8.5000 -

Mechanical Properties of steel grade MST 821

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)
922 (≥) 985 (≥) 22 43 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade MST 821

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 - -     0.32 -  
965 785 - 12.3 144   -  
954 - 34 23.2   423 441

Heat Treatment of steel grade MST 821

Heat treated : 1463°C - 1759°C

Technological Curves of steel grade MST 821

Cross Reference Table (Equivalent Grade) of MST 821

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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