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OL52.2

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OL50.1 OL2.3
#OL52 #2

Description

Romania STAS/SR OL52.2 Structural steel and OL52.2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: OL52.2
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel OL52.2 STAS/SR Romania Structural steel
OL37.2
OL37.3
OL7.4
OL42.1
OL42.2
OL42.3
OL44.2
OL44.3
OL44.4
OL50.1

Chemical composition(mass fraction)(wt.%) of the OL52.2

C(％) Si(％) Mn(％) P(％) S(％)
0.20 0.50 1.60 0.050 0.050

Mechanical Properties of steel grade OL52.2

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)
586 (≥) 784 (≥) 41 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade OL52.2

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
21 - -     0.32 -  
698 641 - 34.3 144   -  
411 - 41 11.2   334 132

Heat Treatment of steel grade OL52.2

Heat treated : 1162°C - 1211°C

Technological Curves of steel grade OL52.2

Cross Reference Table (Equivalent Grade) of OL52.2

Grade Standard Country Application
OL52.2 STAS/SR Romania Structural steel
OL52.4 STAS/SR Romania Structural steel
Q215 China Engineering and welding
Q215 B China Engineering and welding
Q235 China Engineering and welding
Q235 B China Engineering and welding
Q235 C China Engineering and welding
Q235 D China Engineering and welding
Q255 A China Engineering and welding
Q255 B China Engineering and welding
Q275 China Engineering and welding
Q235q C China Bridge structure with steel
Q235q D China Bridge structure with steel
UNS G10120 UNS USA General use carbon steel bar
ASTM 1020 ASTM USA General use carbon steel bar
UNS G10200 UNS USA General use carbon steel bar
UNS G10210 UNS USA General use carbon steel bar
ASTM 1021 ASTM USA General use carbon steel bar
T12 China Carbon tool steel
4CrW2Si China Alloy tool steel - Impact resistance tool steel
OL50.1 OL2.3
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Jiangyou Longhai Special Steel Co.,Ltd.

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