35XГФ
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ГОСT 4543 -1971 Specification for Steel Round bar 35XГФ Steel forgings, Plate 35XГФ ESR ingot, Hot blooming / rolling / forging, cold drawn
MATERIAL DESIGNATION - 35XГФ
Material specifications: ГОСT 4543 -1971
PRODUCT DESCRIPTION
The alloy is usually produced by EAF + VD + LF / BEF followed by electroslag refining (ESR) if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied bright in the annealed condition, or bright annealing specially.
Final heat treatment - Quenched and tempered.
Rod / round bar / disc (diameter): 5.5 ~ 700 mm
Square bar & flat bar: 8 ~ 650 mm
Plate & Sheet: cold & hot rolled / forged T 2.0 ~ 300 X W 10 ~ 1000 X L mm
Square bar & flat bar: 8 ~ 650 mm
Plate & Sheet: cold & hot rolled / forged T 2.0 ~ 300 X W 10 ~ 1000 X L mm
TYPICAL CHEMICAL COMPOSITIONS (mass weight %)
Carbon, C (％): 0.31 ~ 0.38
Silicon, Si (％): 0.17 ~ 0.37
Manganese, Mn (％): 0.95 ~ 1.25
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 1.00 ~ 1.30
Nickel, Ni (%): ≤ 0.30
Molybdenum, Mo (％): -
Vanadium, V (%): 0.06 ~ 0.12.
Carbon, C (％): 0.31 ~ 0.38
Silicon, Si (％): 0.17 ~ 0.37
Manganese, Mn (％): 0.95 ~ 1.25
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 1.00 ~ 1.30
Nickel, Ni (%): ≤ 0.30
Molybdenum, Mo (％): -
Vanadium, V (%): 0.06 ~ 0.12.
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT
Heat treatment temperature / ℃, annealing: -.
Heat working temperature / ℃: 1200 ~ 900
Heat treatment temperature / ℃, quenching: 870 oil cooling
Heat treatment temperature / ℃, tempering : 630 oil / water cooling
Hardness under annealing condition ≤ HBW: 207
Tensile strength, Rm ≥ MPa: 912
Yield strength, Rp0.2 ≥ MPa: 785
Elongation, A5 ≥ (%): 14.0
Hardness under annealing condition ≤ HBW: 207
Tensile strength, Rm ≥ MPa: 912
Yield strength, Rp0.2 ≥ MPa: 785
Elongation, A5 ≥ (%): 14.0
Reduction of area, Z ≥ (%): 55.0
Impact strength, AK ≥ J: 78
Hardness after final heat treatment / HBW: -
Impact strength, AK ≥ J: 78
Hardness after final heat treatment / HBW: -
TYPICAL APPLICATIONS
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Steel bar and steel forgings for barrel of middle-small caliber quick firing arms.
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners, Mechanical gears, gear shaft, main axis, valve rod.
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Steel bar and steel forgings for barrel of middle-small caliber quick firing arms.
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners, Mechanical gears, gear shaft, main axis, valve rod.
TECHNICAL SALES ASSISTANCE & SERVICE
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.
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.
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