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We can supply die steel bar with the competitive price and high-quality service, welcome contact us at your free time.
1) Steel Grade:
(50CrVA/6150/SUP10/50CrV4) steel thin flat for leaf springs2) Dimensions:3)Shape: Flat Bars
Steel Grade | Heat treatment | Mechanical Properties | Delivery state | Hardness: HBW<= | |||||||||||
Quenching Temperature °C | Temper temperature °C | Σb/MPA | Σs/MPa | Δ5(10%) | Ψ(%) | ||||||||||
≥ | |||||||||||||||
55Cr3 (55CrMnA) | 830-860 oil | 460-510 | 1225 | (1080) | 9 | 20 | Hot rolled | 321 | |||||||
Chemical Composition | C:0.52-0.60 Si:0.17-0.37 Mn:0.65-0.95 P:<=0.025 S:<=0.025 Cr:0.65-0.95 Ni:<=0.35 | ||||||||||||||
55Cr3 | |||||||||||||||
C:0.52-0.59 Si:<=0.40 Mn:0.70-1.00 P:<=0.025 S:<=0.025 Cr:0.70-1.00 | |||||||||||||||
50CrV4 (50CrVA) | 850 oil | 500 | 1275 | 1130 | 10 | 40 | Hot rolled hot treatment | 321 | |||||||
Chemical Composition | C:0.46-0.54 Si:0.17-0.37 Mn:0.50-0.80 P:<=0.025 S:<=0.025 Cr:0.80-1.00 Ni:<=0.35 V:0.10-0.20 | ||||||||||||||
50CrV4 | |||||||||||||||
C:0.47-0.55 Si:<=0.40 Mn:0.70-1.10 P:<=0.035 S:<=0.035 Cr:0.90-1.20 V:0.10-0.25 | |||||||||||||||
4)Delivery condition: EAF+LF+VD+(ESR), rolled / forged, annealed / Q+T, black/peeled/turned, UT tested5)Delivery condition: 30days after receive the payment in advance
6)Payment term: prepay 30% by T/T, the balance against L/C at sight or T/T