S31254
2014-09-24 10:11:25 Origin： Remark：0 Click：
Specifications S31254 datasheet, 31254 Chemical, S31254 Properties Steelmaking, ESR melted, Blooming, Forging, Hot rolling, Heat treatment, Straightening, Ultrasonic test, Cold working or Machined. Technical specifications - ASTM A276, A182. We also possess the advanced precision machining equipments for further processing. Please just let us know what you inquire.
MATERIAL DATA SHEET - UNS S31254
MATERIAL CATEGORY: 20Cr-18Ni-6Mo Austenitic steel
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 softened condition.
Final heat treatment - solution treatment / QT
MATERIAL SPECIFICATIONS - ASTM A959 (2004), A276, A312, A632, A176, A580
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 softened condition.
Final heat treatment - solution treatment / QT
MATERIAL SPECIFICATIONS - ASTM A959 (2004), A276, A312, A632, A176, A580
AVAILABILITY
Round bar / Flat bar / Steel strip / Square bar
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
Round bar / Flat bar / Steel strip / Square bar
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
PROFILE & FORMS
Round bar / Wire rod (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 3mm to 1000mm
Plate / Sheet steel / Steel strip: 0.1mm to 1200mm
Width: 8mm to 1200mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Round bar / Wire rod (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 3mm to 1000mm
Plate / Sheet steel / Steel strip: 0.1mm to 1200mm
Width: 8mm to 1200mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
CHEMICAL COMPOSITION (WEIGHT %)
C (％): ≤ 0.020
Si (％): ≤ 0.80
Mn (％): ≤ 1.00
P (％)≤: 0.030
S (％)≤: 0.010
Cr (％): 19.5 ~ 20.5
Ni (％): 17.5 ~ 18.5
Mo (％): 6.00 ~ 6.50
Cu (％): 0.50 ~ 1.00
C (％): ≤ 0.020
Si (％): ≤ 0.80
Mn (％): ≤ 1.00
P (％)≤: 0.030
S (％)≤: 0.010
Cr (％): 19.5 ~ 20.5
Ni (％): 17.5 ~ 18.5
Mo (％): 6.00 ~ 6.50
Cu (％): 0.50 ~ 1.00
N (%): 0.18 ~ 0.22
MECHANICAL PROPERTIES UNDER HEAT TREATMENT
Form: Plate,sheet,strip
Tensile strength, Rm, σb/MPa: 690
Yield strength, Re, σ0.2/MPa: 310
Elongation, δ(％): 35
Reduction of area, ф(％): -
Elongation, δ(％): 35
Reduction of area, ф(％): -
Hardness | HRB: 96
Hardness (HBW): 233
Cold bending property: N
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.
TYPICAL APPLICATIONS
Chemical equipment
Mechanical parts used in the condition of corrosion resistance
Bolts and nuts
Pressure vessel
Chemical equipment
Mechanical parts used in the condition of corrosion resistance
Bolts and nuts
Pressure vessel
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers. Email: sales@ccsteels.com.
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers. Email: sales@ccsteels.com.
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