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OL44.2

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OL42.3 OL44.3
#OL44 #2

Description

Romania STAS/SR OL44.2 Structural steel and OL44.2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: OL44.2
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel OL44.2 STAS/SR Romania Structural steel
OL30
OL32.1
OL34.1
OL37.1
OL37.2
OL37.3
OL7.4
OL42.1
OL42.2
OL42.3

Chemical composition(mass fraction)(wt.%) of the OL44.2

C(％) Si(％) Mn(％) P(％) S(％)
0.20 0.50 1.10 0.050 O.OSO

Mechanical Properties of steel grade OL44.2

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)
126 (≥) 347 (≥) 24 33 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade OL44.2

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
24 - -     0.12 -  
973 393 - 44.3 413   -  
413 - 14 33.2   231 233

Heat Treatment of steel grade OL44.2

Heat treated : 1225°C - 1386°C

Technological Curves of steel grade OL44.2

Cross Reference Table (Equivalent Grade) of OL44.2

Grade Standard Country Application
OL44.2 STAS/SR Romania Structural steel
OL44.3 STAS/SR Romania Structural steel
OL44.4 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
OL42.3 OL44.3
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