Brand name Rending
Port: Chongqing/ guangzhou
Deliver time: within 30-60 days from singing a contacr
Payment terms :L/C T/T
ASTM | DIN | ASSAB | JIS | BOHLER | GB |
| 9260 | 65Si2 | SUP6 | 60Si2Mn |
60Si2Mn spring steel chemical composition:
Carbon C: 0.56 ~ 0.64
Si Si: 1.50 ~ 2.00
Manganese Mn: 0.60 ~ 0.90
S S: ≤ 0.035
Phosphorus P: ≤ 0.035
Chromium Cr: ≤ 0.35
Ni-Ni: ≤ 0.35
Copper Cu: ≤ 0.25
60Si2Mn spring steel mechanical properties:
Tensile strength σb (MPa): ≥ 1274 (130)
Yield strength σs (MPa): ≥ 1176 (120)
Elongation δ10 (%): ≥ 5
Reduction of area ψ (%): ≥ 25
Hardness: hot, ≤ 321HB; cold drawing + heat treatment, ≤ 321HB
60Si2Mn spring steel heat treatment and microstructure specifications:
Standard heat treatment: quenching 870 °C ± 20 °C, oil-cooling; tempering 480 °C ± 50 °C (special needs, ± 30 °C).
Microstructure: Tempered troostite.
60Si2Mn spring steel Delivery status: hot-rolled steel to heat treatment or heat treatment delivery, cold-drawn steel with heat treatment delivery.
| Characteristic and application: good plasticity,ductility,weldability,cold performance and a certain degree of intensity. |
| Usage: Mainly for mass producing steel plate,profiled bar and reinforcing steel bar in building plant room frame,High-Voltage transmission tower,bridge,vehicle and so on. |
