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HK-40

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Brazil NBR HK-40 Casting stainless steel - Austenitic for service at high temperatures and in corrosive media – Specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HK-40 / HK-40
Category Grade Standard Region/Area Standard Content
Metals HK-40 ABNT NBR 8636 Brazil Casting stainless steel - Austenitic for service at high temperatures and in corrosive media – Specification

Chemical composition(mass fraction)(wt.%) of the HK-40

Element Min Max Similar
C 0.3500 0.4500 -
Mn - 1.5000 -
P - 0.0400 -
S - 0.0400 -
Si - 1.7500 -
Ni 19.0000 22.0000 -
Cr 23.0000 27.0000 -
Mo - 0.5000 -

Mechanical Properties of steel grade HK-40

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)
735 (≥) 118 (≥) 31 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade HK-40

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 - -     0.43 -  
724 665 - 22.3 113   -  
925 - 24 43.2   423 421

Heat Treatment of steel grade HK-40

Heat treated : 1336°C - 1554°C

Technological Curves of steel grade HK-40

Cross Reference Table (Equivalent Grade) of HK-40

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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Jiangyou Longhai Special Steel Co.,Ltd.

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