TOCT 4543 Gr. 38XA
2016-11-18 11:23:57 Origin： Remark：0 Click：
Secifications TOCT 4543 type 38XA Round bar, Flat bar, Plate Steelmaking, ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment
TECHNICAL DATA SHEET - TOCT 4543 type 38XA
TECHNICAL SPECIFICATION: TOCT 4543 - 1971
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: alloy structural steel - Chromium type
CHEMICAL COMPOSITION (mass fraction - %)
Carbon, C (％): 0.35 ~ 0.42
Silicon, Si (％): 0.17 ~ 0.37
Manganese, Mn (％): 0.50 ~ 0.80
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 0.80 ~ 1.10
Nickel, Ni (％): ≤ 0.30
Molybdenum, Mo (％): -
Copper, Cu (%): ≤ 0.30
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Hot working temperarture: 1200 ~ 800 Deg.
Hot working temperarture: 1200 ~ 800 Deg.
Heat treatment: Quenching 860 Deg. oil cooling
Tempering 500 water or oil cooling
Tensile strength, Rm ≥ MPa: 932
Yield strength, Rp0.2 ≥ MPa: 785
Elongation, A5 ≥ (％): 12.0
Reduction of area, Z ≥ (％): 50.0
Tensile strength, Rm ≥ MPa: 932
Yield strength, Rp0.2 ≥ MPa: 785
Elongation, A5 ≥ (％): 12.0
Reduction of area, Z ≥ (％): 50.0
Impact, AK (J/cm2): 88
Annealed hardness | HBW: 207
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 DIMENSION
Round bar / rod / dsic (diameter): 5.50mm to 800mm
Square bar / Flat bar: 10mm to 600mm
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil
Forging piece: stepped shafts, other different shapes based on OEM.
Annealed hardness | HBW: 207
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 DIMENSION
Round bar / rod / dsic (diameter): 5.50mm to 800mm
Square bar / Flat bar: 10mm to 600mm
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm 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.
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.
Previous page：TOCT 4543 Gr. 35X
Last page：SUS316TKC
Total list
Monthly rank
- 3438NCD4
- 3424CrMo5
- 3119CrNi5
- 2938B3
- 28ASTM A739 type B11
- 2826NiCrMoV11-5
- 2742Cr4Mo2
- 24S135
- 24EN 38
- 22EN20B