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15mn round bars

  • 63 Views
  • 11-May-2024


The material 15Mn is a kind of high-quality carbon structural steel under the standard GB/T 699-1999

15Mn Chemical composition %:


Grade

Chemical composition %:

C

Si

Mn

S

P

Cr

Ni

Cu

15Mn

0.12-0.18

0.17-0.37

0.7-1.00

≤0.035

≤0.035

≤0.25

≤0.30

≤0.25

15Mn mechanical properties:


Grade

mechanical properties:

Tensile strength σb
(Mpa)

Yield strength σb
(Mpa)

Elongation σb
(%)

reduction of area
ψ (%)

Hardness
No heat treatment

min

min

min

min

max

15Mn

410(42)

245(25)

26

55

163HB

Notes:
1,Specification: DIA 80-1200mm(forged round bar), 80-1200mm(square bar) Length 3-16 meters
2,Heat treatment: Quenching,Annealing,Normalizing and Tempering.
3,Tolerance: 0-+3mm(DIA), 0-+10mm(Length)
15Mn is high-manganese and low-carbon penetration steel. 15Mn has higher hardness, hardenability. When cold deformation, 15Mn’s plasticity is good, weldability is medium and machinability is good.
Our company, KUNFENG can produce all sizes of 15Mn forged steel round bar, 15Mn forged square bar, 15Mn forged shafts and 15Mn forged blocks.
The product of 15Mn is widely used for bolt, nut, screw,tie rod,small shaft and the brake machine gears.

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