1.4732
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Specifications 1.4732 datasheet, 1.4732 Chemical, 1.4732 Ring forging Bar 1.4732 steelmaking, ESR, blooming, forging, rolling, heat treatment, straightened, ultrasonic test, cold working, machined.
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
TECHNICAL DATASHEET - W-Nr 1.4732
MATERIAL CATEGORY - Valve steel
MATERIAL SPECIFICATIONS - DIN EN 10090 (1998), DIN 17480 (1992)
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.75 ~ 0.85
Silicon, Si (％): 1.80 ~ 2.20
Manganese, Mn (％): ≤ 0.80
Phosphorus, P (％) ≤: 0.040
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): 14.00 ~ 16.00
Nickel, Ni (％): 0.60 ~ 0.90
Molybdenum, Mo (％): 0.80 ~ 1.20
Silicon, Si (％): 1.80 ~ 2.20
Manganese, Mn (％): ≤ 0.80
Phosphorus, P (％) ≤: 0.040
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): 14.00 ~ 16.00
Nickel, Ni (％): 0.60 ~ 0.90
Molybdenum, Mo (％): 0.80 ~ 1.20
Tungsten, W (％): 0.80 ~ 1.20
MECHANICAL PROPERTIES HEAT TREATMENT
Hot forming temperature /℃: 1100～900
Heat treatment temperature and cooling method | annealed: 820~860
Heat treatment temperature and cooling method | quenched: 1020～1070 Oil
Heat treatment temperature and cooling method | tempered: 680~780
Mechanical property | Rm / MPa: 900～1180
Mechanical property | Rp0.2 ≥ MPa: 785
Mechanical property | A5 ≥ (％): 14
Mechanical property | Z ≥ (％): 30
Mechanical property above 400℃ σb/MPa，at following temperature /℃|400: -
Mechanical property above 400℃ σb/MPa，at following temperature /℃|500: 540
Mechanical property above 400℃ σb/MPa，at following temperature /℃|600: 295
Mechanical property above 400℃ σb/MPa，at following temperature /℃|700: 175
Mechanical property above 400℃ σb/MPa，at following temperature /℃|800: 100
Hot forming temperature /℃: 1100～900
Heat treatment temperature and cooling method | annealed: 820~860
Heat treatment temperature and cooling method | quenched: 1020～1070 Oil
Heat treatment temperature and cooling method | tempered: 680~780
Mechanical property | Rm / MPa: 900～1180
Mechanical property | Rp0.2 ≥ MPa: 785
Mechanical property | A5 ≥ (％): 14
Mechanical property | Z ≥ (％): 30
Mechanical property above 400℃ σb/MPa，at following temperature /℃|400: -
Mechanical property above 400℃ σb/MPa，at following temperature /℃|500: 540
Mechanical property above 400℃ σb/MPa，at following temperature /℃|600: 295
Mechanical property above 400℃ σb/MPa，at following temperature /℃|700: 175
Mechanical property above 400℃ σb/MPa，at following temperature /℃|800: 100
FEATURES AND CLASSIFICATIONS
Valve steel is an important sub-branch of heat resistant steels, the special material is for processing the vent valve & intake valve of combustion engines. This steel material is always under the high temperature 450 ~ 900℃ and in the operating conditions of 3000~7000kPa explosion pressure. It longly stands up to the gas-fired high temperature corrosion,scouring of gasoline,diesel and also friction from valve seats. Hence, the valve steel material must have enough heat resistance,high temperature resistance corrosivity,inoxidizability,abrasive resistance and impact resistance under the highest working temperature.
REMELTING PROCESS
Valve 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.
PRODUCT PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 500mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Round bar / Wire rod (Diameter): 5.5mm to 500mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T60 - 400mm X W70 - 1000mm X L1000 - 12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W100 - 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts, other different shapes based on OEM.
Sheet steel via cold rolled: T0.5 - 6mm X W100 - 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts, other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry, pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
If you meet further on any technical enquiry, pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
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