1.3974
2015-03-10 13:44:47 Origin： Remark：0 Click：
DIN SEW 390 (1991) Non-magnetic 1.3974 Specification, 1.3974 Flat bar, Round bar, Ring forging, ESR ingot, Hot forging / rolling, Heat treatment
TECHNICAL DATA SHEET - X2CrNiMnMoNNb23-17-6-3 & W-Nr 1.3974
MATERIAL SPECIFICATIONS: DIN SEW 390 (1991)
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): ≤ 0.030
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): 4.50 ~ 6.50
Phosphorus, P (％)≤: 0.025
Sulfur, S (％)≤: 0.010
Chromium, Cr (％): 21.0 ~ 24.5
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): 4.50 ~ 6.50
Phosphorus, P (％)≤: 0.025
Sulfur, S (％)≤: 0.010
Chromium, Cr (％): 21.0 ~ 24.5
Nickel, Ni (％): 15.5 ~ 18.0
Molybdenum, Mo (％): 2.80 ~ 3.40
Other (％): Niobium, Nb 0.10 ~ 0.30, Nitrogen, N 0.35 ~ 0.50
Molybdenum, Mo (％): 2.80 ~ 3.40
Other (％): Niobium, Nb 0.10 ~ 0.30, Nitrogen, N 0.35 ~ 0.50
HOT WORKING, HEAT TREATMENT AND MECHANICAL PROPERTIES
Hot working temperature: 1150~950℃
Quenching or solution treatment temperature: 1020~1100℃
Tensile strength, Rm ≥ MPa: 800 ~ 1050
Yeild strength, Rp0.2 ≥ MPa: 460
Elongation, A5 ≥ (％): 35.0
Yeild strength, Rp0.2 ≥ MPa: 460
Elongation, A5 ≥ (％): 35.0
Impact, Akv ≥ /J: 55 (transversal value)
TYPICAL APPLICATIONS
High-voltage electrical apparatus, bolts and nuts.
Transformer tank, Generator, Preparation equipments, Electronics.
PRODUCT DESCRIPTION
The alloy is usually produced by AOD / VOD /VIM 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.
The alloy is usually produced by AOD / VOD /VIM 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.
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.
PROFILE & DIMENSIONS
Round bar (Diameter): 5.5mm to 300mm
Square bar / flat bar: 6mm to 600mm
Round bar (Diameter): 5.5mm to 300mm
Square bar / flat bar: 6mm to 600mm
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
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.
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.
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.
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