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Spring Steel Round Bar 60si2mn

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Spring Steel Round Bar 60si2mn

Place of Origin : shenzhen, China

Brand Name : GSf

Certification : SGS

Model Number : 60si2mn

MOQ : 500kg

Packaging Details : export standard package

Delivery Time : 7-30 days after deposit

Payment Terms : T/T: 30% deposit and balance before shipment

Supply Ability : 1000ton/month

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60Si2Mn Spring Steel
1.Dia 80-800mm length:2000-13000mm
2 Technique:Forged
3.Peel or Q+T as required
3.Delivery:30 days

60Si2Mn

1. Standards: ASTM9260/DIN:1.0906 1.5028 1.0961/JIS SUP7 /GB:60Si2MnA

2. Surface: Black surface/Turned/Ground

3. Process: EAF+LF+VD+ Forged+ Heat Treatment (Annealed, Normalized, Q+T)

4. Machine Capability

Tensile strength (N/mm2Mpa): >=1372(140)

Elongation: >=5

Yield strength: >=1225(125)

Hardness: <=321HB

Reduction of area:>=30

5. Chemical Composition (%):

C

Si

Mn

S

P

Cr

Ni

Cu

V

B

0.52-0.60

1.50-2.00

1.00-1.30

0.035(max)

0.035(max)

0.35(max)

0.35(max)

0.25(max)

0.08-0.16

0.0005-0.0035

6 . Heat treatment

Annealing

750C - furnace cooling - HBS less than 222

Normalizing

830 ~ 860C - air cooling - HBS less than 302

Quenching

850C oil HRC>61

HRC after tempering

150C 61,200 C - 60,300 C - 56,400 C - 51,

500 C - 43,550 C - 38,600 C - 33,650 C - 29


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