1.4410 & X2CrNiMoN25-7-4
2026-06-08 09:50:00 Origin： Remark：0 Click：
Technical specifications of DIN 1.4410 stainless steel - Chemical composition,mechanical properties from steelmaking, forging, rolling, heat treatment, cold working
TECHNICAL DATA SHEET - X2CrNiMoN25-7-4 & 1.4410
MATERIAL CATEGORY: martensitic and precipitation hardening corrosion resisting steels
PRODUCT DESCRIPTION
The alloy is usually produced by AOD / VOD followed by electroslag refining (ESR) / VAR if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied black/bright in the annealed condition.
The alloys have ultra-high strength, superior toughness characteristics and weldability. Typically, these alloys are used in aerospace applications, machinery and tooling and ordnance components and fasteners.
The alloy is usually produced by AOD / VOD followed by electroslag refining (ESR) / VAR if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied black/bright in the annealed condition.
The alloys have ultra-high strength, superior toughness characteristics and weldability. Typically, these alloys are used in aerospace applications, machinery and tooling and ordnance components and fasteners.
MATERIAL SPECIFICATIONS - DIN 17445,17440 DIN EN 10088-1, 10297,10272,10312, DIN EN 10088-5(2005)
CHEMICAL COMPOSITION (mass weight %)
Carbon, C (％): ≤ 0.030
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): ≤ 2.00
Phosphorus, P (％): ≤ 0.035
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 24.0 ~ 26.0
Nickel, Ni (％): 6.00 ~ 8.00
Molybdenum, Mo (％): 3.00 ~ 4.50
Nitrogen, N (％): 0.20～0.35
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): ≤ 2.00
Phosphorus, P (％): ≤ 0.035
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 24.0 ~ 26.0
Nickel, Ni (％): 6.00 ~ 8.00
Molybdenum, Mo (％): 3.00 ~ 4.50
Nitrogen, N (％): 0.20～0.35
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: solution treatment
Thickness/mm: 160~25
Tensile strength, σb / MPa: 750 ~ 950
Yield strength, σ0.2 ≥ MPa: 560
Elongation, δ5 ≥ (％): 16 / 14
Reduction of area, ψ ≥ (％): 60
Impact strength, Akv ≥ J: 90/70
Yield strength, σ0.2 ≥ MPa: 560
Elongation, δ5 ≥ (％): 16 / 14
Reduction of area, ψ ≥ (％): 60
Impact strength, Akv ≥ J: 90/70
Hardness HBS30: -
MECHANICAL PROPERTIES ( FINAL HEAT TREATMENT OR Q/T) ABOVE ROOM TEMPERATURE
Hot forming temp/℃: 1150 ~ 900
Heat treatment temperature and cooling methods|annealing: 600~640 air cooled
Heat treatment temperature and cooling methods|quenching: 950~1050 air/oil cooled
Heat treatment temperature and cooling methods|tempering: 550~620
Condition: heat treatment
High temperature yield strength σ0.2/MPa≥/MPa，at below temp/℃|100: 520
High temperature yield strength σ0.2/MPa≥/MPa，at below temp/℃|200: 500
High temperature yield strength σ0.2/MPa≥/MPa，at below temp/℃|200: 500
High temperature yield strength σ0.2/MPa≥/MPa，at below temp/℃|300: 480
High temperature yield strength σ0.2/MPa≥/MPa，at below temp/℃|400: -
High temperature yield strength σ0.2/MPa≥/MPa，at below temp/℃|400: -
High temperature yield strength σ0.2/MPa≥/MPa，at below temp/℃|500: -
HEAT TREATMENT PRACTICE
Heat treatment is only suitable for specific grades of stainless steel. When heat treating a stainless the hardening temperatures, including rate of heating, cooling and soaking times will vary due to several factors such as the shape and size of each component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult with the heat treatment provider for whole guidance on heat treatment of stainless steel grades. We are delighted to help to work with you the special heat treatment based on your special requirements.
Heat treatment is only suitable for specific grades of stainless steel. When heat treating a stainless the hardening temperatures, including rate of heating, cooling and soaking times will vary due to several factors such as the shape and size of each component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult with the heat treatment provider for whole guidance on heat treatment of stainless steel grades. We are delighted to help to work with you the special heat treatment based on your special requirements.
AVAILABILITY
Black bar /Flat bar / steel strip / square bar
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
Black bar /Flat bar / steel strip / square bar
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
TYPICAL APPLICATIONS
Medical equipment
Chemical equipments
Mechanical parts used in the condition of corrosion resistance
Bolt and nut
Pressure vessel
Mechanical parts used in the condition of corrosion resistance
Bolt and nut
Pressure vessel
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.
PRODUCT PROFILE
Round bar / Wire rod (diameter): 6.0 to 800 mm
Square bar / flat bar: 10 to 600 mm
Round bar / Wire rod (diameter): 6.0 to 800 mm
Square bar / flat bar: 10 to 600 mm
Length: random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W1000- 2500mm X L1000-12000mm
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, other different shapes based on OEM.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.
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