2023-09-13 08:25:42 Origin： Remark：0 Click：
Material Category - 1.25Cr-4.1Ni Base Structural Alloy Steel
Material Specifications - IS 1570 - 4 (1988 / 2018 )
Special Melting Process - EAF + VD + LF / BEF + ESR
H S CODE For Customs: 7228 4000 / 7228 5000 / 7228 6000
Official Test Certificate - issued by TUV - SGS - BV
MAIN CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.26 ~ 0.34
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.40 ~ 0.70
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 1.10 ~ 1.40
Nickel, Ni (％): 3.90 ~ 4.30
Molybdenum, Mo (%): -
Ferrum, Fe (%): Remainder.
MECHANICAL PROPERTIES - HEAT TREATMENT CYCLE
Hot working tenperature /℃: 1100 ~ 850
Annealing temperature /℃: 650 ~ 750
Quenching temperature /℃: 830
Cooling medium: oil or water
Common tempering temperature /℃: 150 ~ 500
Forms: Round bar, flat bar, plate
Tensile strength, σb/≥ MPa: 1540
Yield strength, σ0.2/MPa: 1240
Elongation, δ ≥(％): 8.0
Reduction of area, ф ≥ (％): -
Hardness via annealed /HBW: 269 max.
Cutting tools. Mechanical parts, Air hammer tools. Piercing tools.
20+ years Focus On Special Steel Manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
We closely cooperate with the professional inspection partners to strictly control the quality and improve the quality manage system, and guarantee the goods delivery each time. It is proved that we are worth of trusting and will be the strategic partner of the supplying chains in the special steels field.
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers, Email: firstname.lastname@example.org.