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SPSR 50

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Korea KS SPSR50 Carbon steel square pipes for general structural purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SPSR50 / SPSR 50
Category Grade Standard Region/Area Standard Content
Metals SPSR 50 KS D 3568 Korea Carbon steel square pipes for general structural purposes

Chemical composition(mass fraction)(wt.%) of the SPSR 50

Element Min Max Similar
Si - 0.5500 -
S - 0.0400 -
P - 0.0400 -
Mn - 1.5000 -
C - 0.1800 -

Mechanical Properties of steel grade SPSR 50

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)
836 (≥) 585 (≥) 22 11 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade SPSR 50

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
24 - -     0.34 -  
518 997 - 13.3 443   -  
625 - 33 14.2   114 423

Heat Treatment of steel grade SPSR 50

Heat treated : 1119°C - 1944°C

Technological Curves of steel grade SPSR 50

Cross Reference Table (Equivalent Grade) of SPSR 50

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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