1.4872
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Austenitic Corrosion Resisting Steel 1.4872 of elements 25Cr-7.0Ni-0.3N, high toughness and impact strength 1.4872 round bar, hollow bars Hot rolling, heat treatment.
TECHNICAL DATA SHEET - Heat Resisting Steel - W-Nr. 1.4872
MATERIAL CATEGORY - Austenitic corrosion resisting steels
FEATURES AND CLASSIFICATIONS
Heat-resistant steel means one type of steel possesses inoxidizability, enough high-temperature strength and excellent heat-resistant quality under high temperature. Heat resistant steel is divided into oxidation resistant steel and refractory steel according to its performance. Further into Austenitic heat-resistant steel, Martensitic heat-resistant steel, Ferritic heat-resistant steel and Pearlitic heat-resistant steel according to its normalizing.
Heat-resistant steel means one type of steel possesses inoxidizability, enough high-temperature strength and excellent heat-resistant quality under high temperature. Heat resistant steel is divided into oxidation resistant steel and refractory steel according to its performance. Further into Austenitic heat-resistant steel, Martensitic heat-resistant steel, Ferritic heat-resistant steel and Pearlitic heat-resistant steel according to its normalizing.
MATERIAL SPECIFICATIONS - DIN 17442,17744, DIN EN 10302, 10095 (2002/1999)
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.20 ~ 0.30
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): 8.00 ~ 10.0
Phosphorus, P (％)≤: 0.045
Sulfur, S (％)≤: 0.015
Chromium, Cr (％): 24.0 ~ 26.0
Nickel, Ni (％): 6.00 ~ 8.00
Nitrogen, N (％): 0.20 ~ 0.40
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): 8.00 ~ 10.0
Phosphorus, P (％)≤: 0.045
Sulfur, S (％)≤: 0.015
Chromium, Cr (％): 24.0 ~ 26.0
Nickel, Ni (％): 6.00 ~ 8.00
Nitrogen, N (％): 0.20 ~ 0.40
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Thermal forming temp/℃: 1150 ~ 800
Heat treatment temp/℃|soft annealing: 750 ~ 800
Heat treatment temp/℃|quenching: -
Heat treatment temp/℃|soft annealing: 750 ~ 800
Heat treatment temp/℃|quenching: -
Condition: annealed + AT
Tensile strength, Rm / MPa: 550 ~ 750
Tensile strength, Rm / MPa: 550 ~ 750
Yield strenght, Rp0.2 ≥ MPa: 255
Elongation, A5 ≥ (％): 25
Elongation, A5 ≥ (％): 25
PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 3mm to 800mm
Forging piece: stepped shafts, other different shapes based on OEM.
Square bar / Flat bar: 3mm to 800mm
Forging piece: stepped shafts, other different shapes based on OEM.
APPLICATION FIELD
Heat-resistant steel is widely used in the field of manufacturing the boiler, steam turbine, motive power machine, industrial furnace, and other mechanical parts of aviation, petrochemical engineering operating at high temperature. Those parts must hold the features: high temperature strength, resistance to high temperature oxide etch, enough toughness, excellent machinability, weldability, structure stability based on different usages.
MANUFACTURING TECHNOLOGY - SMELTING
Heat resistant steel is generally smelt in electric arc furnace or induction furnace. For higher quality,it should be smelt via technology of vacuum refining and external refining.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry or help, pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
If you meet further on any technical enquiry or help, pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
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