High tensile steel EN25, EN 25
2026-09-08 14:27:00 Origin： Remark：0 Click：
EN25 is Aerospace Quality Consumable electrode remelted high tensile steel EN 25, high tensile shafts, bolts and nuts, gears, pinions spindles
TECHNICAL DATA SHEET - EN25 & EN 25
Special melting: EAF + :LF + VD, + ESR
Typical chemical compositions (mass weight - %)
Typical chemical compositions (mass weight - %)
Carbon, C (％): 0.27 ~ 0.35
Manganese, Mn (％): 0.45 ~ 0.70
Silicon, Si (％): 0.10 ~ 0.35
Phosphorus, P (％): ≤ 0.035
Sulfur, S (％): ≤ 0.015
Chromium, Cr (%): 0.50 ~ 0.80
Nickel, Ni (%): 2.30 ~ 2.80
Molybdenum, Mo (%): 0.40 ~ 0.70
Manganese, Mn (％): 0.45 ~ 0.70
Silicon, Si (％): 0.10 ~ 0.35
Phosphorus, P (％): ≤ 0.035
Sulfur, S (％): ≤ 0.015
Chromium, Cr (%): 0.50 ~ 0.80
Nickel, Ni (%): 2.30 ~ 2.80
Molybdenum, Mo (%): 0.40 ~ 0.70
MECHANICAL PROPERTY AND HARDNESS
Quenching temperature /℃: 860, oil
Tempering temperature /℃: 600, water or oil
Tensile strength, Rm ≥ MPa: 980
Tempering temperature /℃: 600, water or oil
Tensile strength, Rm ≥ MPa: 980
Yield strength, Rp0.2 ≥ MPa: 835
Elongation, A5 ≥ (％): 12.0
Reduction of area, Z ≥ (％): 55.0
Elongation, A5 ≥ (％): 12.0
Reduction of area, Z ≥ (％): 55.0
Hardness in annealed condition: HB269 max.
MELTING PROCESS & APPLICATION
This alloy is generally smelt in Electric Arc Furnace (EAF), EAF+LF+VD, BEF + Electroslag remelting (ESR). For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement. It is suitable for applications such as high tensile shafts, bolts and nuts, gears, pinions spindles and so on.
This alloy is generally smelt in Electric Arc Furnace (EAF), EAF+LF+VD, BEF + Electroslag remelting (ESR). For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement. It is suitable for applications such as high tensile shafts, bolts and nuts, gears, pinions spindles and so on.
SHAPES & DIMENSIONS
Round bar, rod, disc: 6.0 to 850 mm
Square bar, flat bar: 8 to 600 mm
Length: random length or based on the customer's special requirement.
Other different shapes based on OEM.
Square bar, flat bar: 8 to 600 mm
Length: random length or based on the customer's special requirement.
Other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry, pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
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