Product : 35SiMn alloy structural steel Standard: GB/T 3077-2015 Heat treatment Quenching temperature/℃ First quenching 900 Second quenching - Coolant water tempering temperature/℃ 570 Coolant water.oil Sample size: sample blank size/mm: 25
S420MC hot-rolled automobile structural steel chemical composition (melting analysis)% C: ≤0.12, Si: ≤0.50, Mn: ≤1.60, P: ≤0.025, S: ≤0.020, Alt: ≥0.015, Nb: ≤0.09, V: ≤0.20, Ti: ≤0.10 Mechanical properties Yield strength MPa: ≥420 Tensile strength MPa: 480-620 Elongation: ≥16
The company formulates clear service process and service standard. To do a good job in after-sales service, first of all, clear service process and service standards should be formulated to let employees know which procedures to perform and which service standards to abide by.