TOCT 4543 30XH3A
2016-12-14 10:49:16 Origin： Remark：0 Click：
Material standard specifications of TOCT 4543 type 30XH3A Round bar, flat bar, plate and forgings Steelmaking, ESR melted, Hot forging, rolling, Heat treatment, 100% Ultrasonic test , Cold working
TECHNICAL SPECIFICATION - TOCT 4543 Grade 30XH3A
TECHNICAL SPECIFICATION: TOCT 4543 - 1971
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: alloy structural steel Cr - Ni type
CHEMICAL COMPOSITION (mass weight %)
Carbon, C (％): 0.27 ~ 0.33
Silicon, Si (％): 0.17 ~ 0.37
Manganese, Mn (％): 0.30 ~ 0.60
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 0.60 ~ 0.90
Nickel, Ni (％): 2.75 ~ 3.15
Molybdenum, Mo (％): -
Copper, Cu (%): ≤ 0.30
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Hot working temperarture: 1150 ~ 850 Deg.
Hot working temperarture: 1150 ~ 850 Deg.
Heat treatment: Quenching 820 Deg. oil cooling
Tempering 530 water or oil cooling
Tensile strength,σb/≥ MPa: 980
Yield strength, σ0.2/≥ MPa: 785
Elongation, δ ≥(％): 10.0
Reduction of area, ф ≥ (％): 50.0
Tensile strength,σb/≥ MPa: 980
Yield strength, σ0.2/≥ MPa: 785
Elongation, δ ≥(％): 10.0
Reduction of area, ф ≥ (％): 50.0
Impact, AK (J/cm2): 78
Annealed hardness | HBW: 241
Annealed hardness | HBW: 241
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.
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners, Mechanical gears, gear shaft, main axis, valve rods.
Mechanical parts - connecting rods, bolts and nuts, Multidiameter shafts.
OFFERING FORMS AND DIMENSIONS
Round bar (Diameter): 5.50mm to 500mm
Square bar / Flat bar: 3mm to 500mm
Steel strip: T0.20 ~ 3mm X W10 ~ 1000mm X Coil
Forging piece: stepped shafts, other different shapes based on OEM.
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.
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners, Mechanical gears, gear shaft, main axis, valve rods.
Mechanical parts - connecting rods, bolts and nuts, Multidiameter shafts.
OFFERING FORMS AND DIMENSIONS
Round bar (Diameter): 5.50mm to 500mm
Square bar / Flat bar: 3mm to 500mm
Steel strip: T0.20 ~ 3mm X W10 ~ 1000mm X Coil
Forging piece: stepped shafts, other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.
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