NiFe25Cr20NbTi
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Material specification NiFe25Cr20NbTi datasheet,DIN NiFe25Cr20NbTi Chemical, NiFe25Cr20NbTi Ring forging, NiFe25Cr20NbTi Bar, DIN NiFe25Cr20NbTi Wire rod, Sheet - steelmaking, ESR, Blooming, Forging, 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 - DIN NiFe25Cr20NbTi / W-Nr 2.4955
MATERIAL CATEGORY: Valve steel
MATERIAL SPECIFICATIONS: DIN EN 10090 (1998), DIN 17480 (1992)
CHEMICAL COMPOSITION (WEIGHT %)
C(％): ≤0.10
Si(％): ≤1.00
Mn(％): ≤1.00
P(％)≤: 0.030
S(％)≤: 0.015
Cr(％): 18.0～21.0
Ni(％): Balance
Mo(％): —
Si(％): ≤1.00
Mn(％): ≤1.00
P(％)≤: 0.030
S(％)≤: 0.015
Cr(％): 18.0～21.0
Ni(％): Balance
Mo(％): —
Other(％): Fe 23.0～28.0,Al 0.30～1.00,Nb 1.00～2.00,Ti 1.00～2.00,B≤0.008
MECHANICAL PROPERTIES / HEAT TREATMENT OR Q/T)
Hot forming temperature /℃: 1150～1050
Heat treatment temperature and cooling method | annealed: -
Heat treatment temperature and cooling method | quenched: 1000～1080 Water
Heat treatment temperature and cooling method | tempered: 690~710
Mechanical property |σb/MPa: 900～1100
Mechanical property |σs≥/MPa: 500
Mechanical property |δ5≥(％): 25
Mechanical property |ψ≥(％): 30
Mechanical property above 400℃ σb/MPa，at following temperature /℃|400: -
Mechanical property above 400℃ σb/MPa，at following temperature /℃|500: 800
Mechanical property above 400℃ σb/MPa，at following temperature /℃|600: 790
Mechanical property above 400℃ σb/MPa，at following temperature /℃|700: 640
Mechanical property above 400℃ σb/MPa，at following temperature /℃|800: 340
Hot forming temperature /℃: 1150～1050
Heat treatment temperature and cooling method | annealed: -
Heat treatment temperature and cooling method | quenched: 1000～1080 Water
Heat treatment temperature and cooling method | tempered: 690~710
Mechanical property |σb/MPa: 900～1100
Mechanical property |σs≥/MPa: 500
Mechanical property |δ5≥(％): 25
Mechanical property |ψ≥(％): 30
Mechanical property above 400℃ σb/MPa，at following temperature /℃|400: -
Mechanical property above 400℃ σb/MPa，at following temperature /℃|500: 800
Mechanical property above 400℃ σb/MPa，at following temperature /℃|600: 790
Mechanical property above 400℃ σb/MPa，at following temperature /℃|700: 640
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.
Mr Chen, Mr.Jiang - Email: lh.steel@hotmail.com
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.
Mr Chen, Mr.Jiang - Email: lh.steel@hotmail.com
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 0.50mm to 800mm
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): 0.50mm to 800mm
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: T6 - 200mm X W1000- 2500mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W600- 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 with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.
Sheet steel via cold rolled: T0.5 - 6mm X W600- 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 with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.
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