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OL42.1

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OL7.4 OL42.2
#OL42 #1

Description

Romania STAS/SR OL42.1 Structural steel and OL42.1 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: OL42.1
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel OL42.1 STAS/SR Romania Structural steel
ASTM A335 GRADE P9
ASTM A335 GRADE P91
ASTM A335 GRADE P92
OL30
OL32.1
OL34.1
OL37.1
OL37.2
OL37.3
OL7.4

Chemical composition(mass fraction)(wt.%) of the OL42.1

C(％) Si(％) Mn(％) P(％) S(％)
0.25 0.40 0.80 0.060 0.060

Mechanical Properties of steel grade OL42.1

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)
214 (≥) 274 (≥) 44 13 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade OL42.1

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
11 - -     0.24 -  
838 234 - 22.3 231   -  
435 - 42 23.2   132 413

Heat Treatment of steel grade OL42.1

Heat treated : 1517°C - 1428°C

Technological Curves of steel grade OL42.1

Cross Reference Table (Equivalent Grade) of OL42.1

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
Q195 GBT China Engineering and welding
Q215 China Engineering and welding
Q215 B China Engineering and welding
ASTM 1030 ASTM USA General use carbon steel bar
UNS G10300 UNS USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
UNS G10050 UNS USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
UNS G10060 UNS USA General use carbon steel bar
ASTM 1008 ASTM USA General use carbon steel bar
UNS G10080 UNS USA General use carbon steel bar
ASTM 1010 ASTM USA General use carbon steel bar
UNS G10100 UNS USA General use carbon steel bar
ASTM 1011 ASTM USA General use carbon steel bar
UNS G10110 UNS USA General use carbon steel bar
ASTM 1012 ASTM USA General use carbon steel bar
UNS G10120 UNS USA General use carbon steel bar
OL7.4 OL42.2
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Jiangyou Longhai Special Steel Co.,Ltd.
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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