33XC
2025-09-06 10:53:03 Origin： Remark：0 Click：
ГОСT 4543 -1971 Specification for steel round bar 33XC, plate, cold rolled strip, 33XC stock available ESR ingot, hot bloomed / rolled / forged, heat treated
TECHNICAL DATA SHEET - 33XC
Material specifications: ГОСT 4543 -1971
Available in stock: round bar diam. 50 ~ 210 mm
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): 6.0 ~ 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 fraction %)
Carbon, C (％): 0.29 ~ 0.37
Silicon, Si (％): 1.00 ~ 1.40
Manganese, Mn (％): 0.30 ~ 0.60
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 1.30 ~ 1.60
Nickel, Ni (%): ≤ 0.30
Molybdenum, Mo (％): -
Ferrum, Fe (%): balance.
Carbon, C (％): 0.29 ~ 0.37
Silicon, Si (％): 1.00 ~ 1.40
Manganese, Mn (％): 0.30 ~ 0.60
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 1.30 ~ 1.60
Nickel, Ni (%): ≤ 0.30
Molybdenum, Mo (％): -
Ferrum, Fe (%): balance.
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT
Heat treatment temperature / ℃, annealing: -.
Heat working temperature / ℃: 1150 ~ 850
Heat treatment temperature / ℃, quenching: 920 oil / water cooled
Heat treatment temperature / ℃, tempering : 630 air cooled
Hardness under annealing condition ≤ HB: 241
Tensile strength, Rm ≥ MPa: 883
Yield strength, Rp0.2 ≥ MPa: 686
Elongation, A5 ≥ (%): 13.0
Hardness under annealing condition ≤ HB: 241
Tensile strength, Rm ≥ MPa: 883
Yield strength, Rp0.2 ≥ MPa: 686
Elongation, A5 ≥ (%): 13.0
Reduction of area, Z ≥ (%): 50.0
Impact strength, AK ≥ J: 78
Hardness after final heat treatment / HB: -
Impact strength, AK ≥ J: 78
Hardness after final heat treatment / HB: -
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.
Raw material stock available
Custom 450 / GD450 / XM-25 (S45000), 403 ESR, AISI 616 / 422 ESR, B50A365 / 403Cb+
17-4PH / 630, M-152 / 1.4938 / S151D, FV520B / S143 / 1.4594. X22CrMoV12-1
13Х11Н2B2MФ / AE961W, 11Х11Н2B2MФ / 16Х11Н2B2MФ
AISI 615 / S41800, 15-5PH / XM-12 (S15500), A-286 AISI 660 / S66286
10705BU, 10705MBU, 10705AJ, S132, S131, S111, S159, S154
If you are interested in our products or services, pleased to EMAIL (sales@ccsteels.com) our qualified production engineers or sales department.
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