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35SiMn steel bar

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  • 11-May-2024

Thematerial 35SiMn is a kind of structural alloy steel under the standard GB/T 3077-1988.
35SiMn Chemical composition %:


Grade

Chemical composition %:

C

Si

Mn

S

P

Cr

Ni

Cu

35SiMn

0.32-0.40

1.10-1.40

1.10-1.40

≤0.035

≤0.035

≤0.30

≤0.30

≤0.30

35SiMn mechanical properties:


Grade

mechanical properties:

Tensile strength σb
(Mpa)

Yield strength σb
(Mpa)

Elongation σb
(%)

reduction of area
ψ (%)

Hardness
No heat treatment

Impact AKv(J)

Notched bar impact strength kv (J/cm2)

min

min

min

min

max

min

min

35SiMn

885(90)

735(75)

15

45

229HB

47

59(6)

Notes:
1,35SiMn specification: DIA 80-1200mm(forged round bar), 80-1200mm(square bar) Length 3-16 meters
2,35SiMn heat treatment: Quenching,Annealing,Normalizing and Tempering.
3,35SiMn forged round bar tolerance: 0-+3mm(DIA), 0-+10mm(Length)

35SiMn is a kind of good performance, economical alloy quenched and tempered steel. After quenched and tempered, 35SiMn material has high strength and wear resistance. Also 35SiMn has good toughness and strength of hardships and stand hard work. 35SiMn’s machinability is better also, cold deformation and plastic is medium.

The product of 35SiMn is widely used for bolt, nut, screw,tie rod,small shaft and the brake machine gears.

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