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OL42.3

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OL42.2 OL44.2
#OL42 #3

Description

Romania STAS/SR OL42.3 Structural steel and OL42.3 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: OL42.3
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel OL42.3 STAS/SR Romania Structural steel
ASTM A335 GRADE P92
OL30
OL32.1
OL34.1
OL37.1
OL37.2
OL37.3
OL7.4
OL42.1
OL42.2

Chemical composition(mass fraction)(wt.%) of the OL42.3

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.23 0.40 0.80 0.045 0.045 0.30 0.30 0.30

Mechanical Properties of steel grade OL42.3

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)
764 (≥) 781 (≥) 23 43 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade OL42.3

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 - -     0.14 -  
734 821 - 22.3 242   -  
892 - 44 31.2   224 322

Heat Treatment of steel grade OL42.3

Heat treated : 1551°C - 1967°C

Technological Curves of steel grade OL42.3

Cross Reference Table (Equivalent Grade) of OL42.3

Grade Standard Country Application
OL42.1 STAS/SR Romania Structural steel
OL42.2 STAS/SR Romania Structural steel
OL42.3 STAS/SR Romania Structural steel
Q235 China Engineering and welding
Q235 B China Engineering and welding
Q235 C China Engineering and welding
Q235 D China Engineering and welding
Q235q C China Bridge structure with steel
Q235q D China Bridge structure with steel
Q345q E China Bridge structure with steel
Q345q C China Bridge structure with steel
ASTM 1030 ASTM USA General use carbon steel bar
UNS G10300 UNS USA General use carbon steel bar
ASTM 1013 ASTM USA General use carbon steel bar
UNS G10130 UNS USA General use carbon steel bar
T13 China Carbon tool steel
5Cr3Mn1SiMo1V China Alloy tool steel - Impact resistance tool steel
3Cr2W8V China Alloy tool steel - hot-work die steel
5Cr4Mo3SiMnVA1 China Alloy tool steel - hot-work die steel
3Cr3Mo3W2V China Alloy tool steel - hot-work die steel
OL42.2 OL44.2
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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