1.4521
2014-12-02 11:09:37 Origin： Remark：0 Click：
Description 1.4521 Stock list, Flat bars 1.4521 Ex-stock, 1.4521 Inventory Wire rod from Steel melting (ESR refined), Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic flaw detection test, Cold working or Machined. All of these materials conform to Military standard, nuclear power. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
MATERIAL SPECIFICATIONS - W-Nr 1.4521
MATERIAL CATEGORY: Common alloy steel - Ferritic corrosion resisting steels
PRODUCT DESCRIPTION
The alloy is usually produced by AOD / VD 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 / QT
Maraging steels are iron-nickel alloys with absence of carbon and have metals such as molybdenum, cobalt, titanium and aluminum.
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 (WEIGHT %)
C (％): ≤ 0.025
Si (％)≤: 1.00
Mn (％)≤: 1.00
P (％)≤: 0.040
S (％)≤: 0.015
Cr (％): 17.0 ~ 20.0
Ni (％): -
Mo (％): 1.80 ~ 2.50
Ti (％): 4 X (C+N) + 0.20 ~ 0.80, N≤0.030
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Condition: annealed
Thickness/mm:-
σb/MPa: 450~650
σ0.2≥/MPa: 320
δ5≥(％): 20
ψ≥(％): -
Akv≥/J: -
σ0.2≥/MPa: 320
δ5≥(％): 20
ψ≥(％): -
Akv≥/J: -
Hardness HBS30: 200max.
MECHANICAL PROPERTIES ( FINAL HEAT TREATMENT OR Q/T) ABOVE ROOM TEMPERATURE
Hot forming temp/℃: 1150~750
Heat treatment temperature and cooling methods|annealing: 750~900 air/water cooled
Heat treatment temperature and cooling methods|quenching: -
Heat treatment temperature and cooling methods|tempering: -
Condition: annealed
High temperature yield strength σ0.2/MPa≥/MPa，at below temp/℃|100: 285
High temperature yield strength σ0.2/MPa≥/MPa，at below temp/℃|200: 245
High temperature yield strength σ0.2/MPa≥/MPa，at below temp/℃|200: 245
High temperature yield strength σ0.2/MPa≥/MPa，at below temp/℃|300: 220
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
TYPICAL APPLICATIONS
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.
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 0.50mm to 800mm
Square bar / Flat bar: 3mm to 800mm
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.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.
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