X50CrMnNiNbN21-9
2015-02-15 14:10:19 Origin： Remark：0 Click：
Specification X50CrMnNiNbN21-9 datasheet, X50CrMnNiNbN21-9 Chemical Ring forging Bar, DIN X50CrMnNiNbN21-9 strip - steelmaking, ESR, Blooming, Hot forging, hot rolling, Heat treatment, Straightened, Ultrasonic test, Cold working, Machined. We also possess advanced precision machining equipments for further processing.
Technical standards - DIN EN 10090 (1998), DIN 17480 (1992) or by agreement.
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
TECHNICAL SPECIFICATION DATASHEET - X50CrMnNiNbN21-9
INVENTORY ON SALES - Rolled plate (3.5 X 200 X 2000mm)
MATERIAL CATEGORY - Valve steel
MATERIAL SPECIFICATIONS - DIN EN 10090 (1998), DIN 17480 (1992)
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.45 ~ 0.55
Si (％): ≤ 0.45
Mn (％): 8.00 ~ 10.00
P (％)≤: 0.045
S (％)≤: 0.030
Cr (％): 20.0 ~ 22.0
Ni (％): 3.50 ~ 5.00
Mo (％): -
W (％): 0.80 ~ 1.50
Si (％): ≤ 0.45
Mn (％): 8.00 ~ 10.00
P (％)≤: 0.045
S (％)≤: 0.030
Cr (％): 20.0 ~ 22.0
Ni (％): 3.50 ~ 5.00
Mo (％): -
W (％): 0.80 ~ 1.50
Nb (%): 1.80 ~ 2.50
N (%): 0.40 ~ 0.60
MECHANICAL PROPERTIES UNDER HEAT TREATMENT
Hot forming temperature /℃: 1150～950
Heat treatment temperature and cooling method | annealed: -
Heat treatment temperature and cooling method | quenched: 1160～1200 Water
Heat treatment temperature and cooling method | tempered: 760~815
Mechanical property |σb/MPa: 950～1150
Mechanical property |σs≥/MPa: 580
Mechanical property |δ5≥(％): 12
Mechanical property |ψ≥(％): 15
Mechanical property above 400℃ σb/MPa，at following temperature /℃|400: -
Mechanical property above 400℃ σb/MPa，at following temperature /℃|500: 680
Mechanical property above 400℃ σb/MPa，at following temperature /℃|600: 610
Mechanical property above 400℃ σb/MPa，at following temperature /℃|700: 480
Mechanical property above 400℃ σb/MPa，at following temperature /℃|800: 340
Hot forming temperature /℃: 1150～950
Heat treatment temperature and cooling method | annealed: -
Heat treatment temperature and cooling method | quenched: 1160～1200 Water
Heat treatment temperature and cooling method | tempered: 760~815
Mechanical property |σb/MPa: 950～1150
Mechanical property |σs≥/MPa: 580
Mechanical property |δ5≥(％): 12
Mechanical property |ψ≥(％): 15
Mechanical property above 400℃ σb/MPa，at following temperature /℃|400: -
Mechanical property above 400℃ σb/MPa，at following temperature /℃|500: 680
Mechanical property above 400℃ σb/MPa，at following temperature /℃|600: 610
Mechanical property above 400℃ σb/MPa，at following temperature /℃|700: 480
Mechanical property above 400℃ σb/MPa，at following temperature /℃|800: 340
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.
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
PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 450mm
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 450mm
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 W50 - 1000mm X L1000 - 12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W10 - 500mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different OEM.
Sheet steel via cold rolled: T0.5 - 6mm X W10 - 500mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different OEM.
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