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Q245R

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China 舞钢Q/WTB Q245R 供上海致远竞开实业有限公司Q245R、Q345R钢板技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q245R / Q245R
Category Grade Standard Region/Area Standard Content
Metals Q245R WJX 033 China 供上海致远竞开实业有限公司Q245R、Q345R钢板技术条件

Chemical composition(mass fraction)(wt.%) of the Q245R

Element Min Max Similar
Al 0.0200 - -
S - 0.0120 -
P - 0.0200 -
Mn 0.5000 1.2000 -
Si - 0.3500 -
C - 0.2000 -
CE - 0.4000 -
Al 0.0200 - -
S - 0.0150 -
P - 0.0130 -
Mn 0.5000 1.0000 -
Si - 0.3500 -
C - 0.2000 -

Mechanical Properties of steel grade Q245R

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)
656 (≥) 674 (≥) 24 31 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade Q245R

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 - -     0.21 -  
793 863 - 22.3 122   -  
879 - 41 13.2   423 311

Heat Treatment of steel grade Q245R

Heat treated : 1266°C - 1259°C

Technological Curves of steel grade Q245R

Cross Reference Table (Equivalent Grade) of Q245R

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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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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