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Coiling steel

- Commodity: Coiling steel

- Standard: GB

- Grade: 65Mn, 60Si2Mn

- Specification: From F1 to  F16

- Price: Negotiate

  • Application:
  • - Dùng chế tạo lò xo kích thước lớn, lò xo giảm chấn, phanh an toàn, lò xo piston...vv

Mechanical material propety

Grade

Heating

Mechanical property


Quenching

(°C)

Ram
(°C)

Tensile
σb/Mpa

Yield point
σs/Mpa

Elongation δ (%)

Hardness
(HB)

65Mn

830 - oil

540

980

785

(8)

302

60Si2Mn

870 - oil

480

1275

1175

(5)

321

50CrVA

850 - oil

500

1275

1125

10

321

Chemical elements

Grade

C

Si

Mn

P

S

Cr

Ni

65Mn

0.62 ~ 0.70

0.17 ~ 0.37

0.90 ~ 1.20

≤ 0.035

≤ 0.035

≤ 0.25

≤ 0.25

60Si2Mn

0.56 ~ 0.64

1.50 ~ 2.00

0.60 ~ 0.90

≤ 0.035

≤ 0.035

≤ 0.35

≤ 0.35

50CrVA

0.46 ~ 0.54

0.17 ~ 0.37

0.50 ~ 0.80

≤ 0.030

≤0.030

0.80 ~ 1.10

≤0.35