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STR 660

Favorite Datasheet

Korea KS STR660 Heat - resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STR660 / STR 660
Category Grade Standard Region/Area Standard Content
Metals STR 660 KS D 3731 Korea Heat - resisting steel bars

Chemical composition(mass fraction)(wt.%) of the STR 660

Element Min Max Similar
B 0.0010 0.0100 -
Ti 1.9000 2.3500 -
Al - 0.3500 -
V 0.1000 0.5000 -
Mo 1.0000 1.5000 -
Ni 24.0000 27.0000 -
Cr 13.5000 16.0000 -
P - 0.0400 -
S - 0.0300 -
Mn - 2.0000 -
Si - 1.0000 -
C - 0.0800 -
B 0.0010 0.0100 -
Ti 1.9000 2.3500 -
Al - 0.3500 -
V 0.1000 0.5000 -
Mo 1.0000 1.5000 -
Ni 24.0000 27.0000 -
Cr 13.5000 16.0000 -
P - 0.0400 -
S - 0.0300 -
Mn - 2.0000 -
Si - 1.0000 -
C - 0.0800 -
V 0.1000 0.5000 -
Ti 1.9000 2.3500 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 24.0000 27.0000 -
Mo 1.0000 1.5000 -
Mn - 2.0000 -
Cr 13.5000 16.0000 -
C - 0.0800 -
B 0.0010 0.0100 -
Al - 0.3500 -
V 0.1000 0.5000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 24.0000 27.0000 -
Mn - 2.0000 -
Cr 13.5000 16.0000 -
C - 0.0800 -

Mechanical Properties of steel grade STR 660

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)
573 (≥) 444 (≥) 12 14 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade STR 660

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
13 - -     0.33 -  
729 217 - 21.3 341   -  
186 - 13 44.2   141 234

Heat Treatment of steel grade STR 660

Heat treated : 1977°C - 1657°C

Technological Curves of steel grade STR 660

Cross Reference Table (Equivalent Grade) of STR 660

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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