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15Mn

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85 20Mn
#15Mn

Description

China GBT 15Mn China structural steel and alloy steel and 15Mn Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 15Mn
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 15Mn GBT China China structural steel and alloy steel
40
45
50
55
60
65
70
75
80
85

Chemical composition(mass fraction)(wt.%) of the 15Mn

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.12-0.18 0.17-0.37 0.70-1.00 0.035 0.035 0.25 0.3 0.25

Mechanical Properties of steel grade 15Mn

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)
712 (≥) 769 (≥) 44 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade 15Mn

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
34 - -     0.13 -  
496 279 - 43.3 231   -  
611 - 31 34.2   242 131

Heat Treatment of steel grade 15Mn

Heat treated : 1557°C - 1155°C

Technological Curves of steel grade 15Mn

Cross Reference Table (Equivalent Grade) of 15Mn

Grade Standard Country Application
20Cr15Mn15Ni2N GBT China Stainless steel bars
15MnVR GBT China China structural steel and alloy steel
15MnVNR GBT China China structural steel and alloy steel
15MnVNR GBT China China structural steel and alloy steel
15MnNiDR GBT China China structural steel and alloy steel
15MnV GBT China China structural steel and alloy steel
15Mn GBT China China structural steel and alloy steel
15MnVB GBT China China structural steel and alloy steel
ML15Mn GBT China China structural steel and alloy steel
ML15MnB⑤ GBT China China structural steel and alloy steel
ML15MnVB GBT China China structural steel and alloy steel
85 20Mn
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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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