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35SiMn Alloy Structural Steel

35SiMn Alloy Structural Steel

Place of Origin : China
Brand Name : XJS
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Description:

35SiMnis a kind of structural alloy steel under the standard GB/T 3077-1988. this grade 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.


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

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)

Heat treatment:

Quenching: 900 C, water cooling

Tempering: 570 C, water, oil cooling
Application:

This steel is used after quenching and tempering, mainly manufacture to parts with medium speed, medium load; or in the quenched and tempered state as part with high load and small impact, can also be used as parts with surface hardening and greater cross-section. In the general machinery industry, the steel are manufactured to transmission gears, spindles, shafts, connecting rods, electric axles, generator shaft, crankshaft, flywheel and forgings; in turbine manufacturing, used as spindle and hub with working temperature below 400 ℃, diameter less than 250mm, impeller and a variety of important fasteners with thickness below 170mm; in agricultural machinery, manufacture to shovel handle, plow House and other wear-resistant parts. Also used as thin-walled seamless steel pipe.


Product Tags:

Alloy Structural Steel

      
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