1.4374 / X8CrMnNiN18-9-5
2014-11-23 13:31:22 Origin： Remark：0 Click：
Technical specifications of DIN 1.4374 Austenitic Stainless Steel, Round bar X8CrMnNiN18-9 Flat bar, Stock, Hot forging, rolling, Heat treatment
MATERIAL DATA SHEET - DIN X8CrMnNiN18-9-5 & W-Nr 1.4374
MATERIAL CATEGORY - Austenitic Corrosion resisting steels
PRODUCT DESCRIPTION
The alloy is usually produced by AOD / VOD / EF 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.
Final heat treatment - solution treatment / Q+T.
The alloy is usually produced by AOD / VOD / EF 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.
Final heat treatment - solution treatment / Q+T.
MATERIAL SPECIFICATIONS - DIN 17445,17440, DIN EN 10088-1, 10297,10272,10312
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.05 ~ 0.10
Silicon,Si (％): 0.30 ~ 0.60
Manganese, Mn (％): 9.00 ~ 10.0
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): 17.5～18.5
Molybdenum, Mo (％): ≤ 0.50
Nickel, Ni (％): 5.00 ~ 6.00
Silicon,Si (％): 0.30 ~ 0.60
Manganese, Mn (％): 9.00 ~ 10.0
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): 17.5～18.5
Molybdenum, Mo (％): ≤ 0.50
Nickel, Ni (％): 5.00 ~ 6.00
Other (%): Nitrogen 0.25 ~ 0.32, Copper, Cu ≤ 0.40
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Condition: solution treatment
Thickness/mm: -
Tensile strength, σb / MPa: 675min.
Yield strength, σ0.2 ≥ MPa: 455
Elongation, δ5 ≥ (％): 18
Reduction of area, ψ ≥ (％): -
Impact strength, Akv ≥ J: -
Yield strength, σ0.2 ≥ MPa: 455
Elongation, δ5 ≥ (％): 18
Reduction of area, ψ ≥ (％): -
Impact strength, Akv ≥ J: -
Hardness HBS30: 275max.
MECHANICAL PROPERTIES ( FINAL HEAT TREATMENT OR Q/T) ABOVE ROOM TEMPERATURE
Hot forming temp/℃: 1200 ~ 1000
Heat treatment temperature and cooling methods|annealing: -
Heat treatment temperature and cooling methods|quenching: 950~1050 air/water cooled
Heat treatment temperature and cooling methods|tempering: -
Condition: solution treatment
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.
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. Email: sales@ccsteels.com
PRODUCT PROFILE
Round bar / Wire rod / Disc (diameter): 5.50mm to 800mm
Square bar / Flat bar: 8 ~ 600mm
Round bar / Wire rod / Disc (diameter): 5.50mm to 800mm
Square bar / Flat bar: 8 ~ 600mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W10 - 1500mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W60 - 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.
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