AISI 420
2014-10-16 09:42:04 Origin： Remark：0 Click：
ASTM A276 Material Specifications of Martensitic Steel AISI 420 Round bar, Flat bar, Forgings S42000, Stock available, Heat treatment.
MATERIAL DATA SHEET - AISI 420 & UNS S42000
MATERIAL CATEGORY: Martensite type 13Cr
PRODUCT DESCRIPTION
The alloy is usually produced by AOD / VOD / EAF 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 - QT
The alloy is usually produced by AOD / VOD / EAF 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 - QT
MATERIAL SPECIFICATIONS - ASTM A959 (2004), A276, A312, A632, A176, A580
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): ≥ 0.15
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): ≤ 1.00
Phosphorus, P (％) ≤: 0.040
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): 12.0 ~ 14.0
Nickel, Ni (％): -
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): ≤ 1.00
Phosphorus, P (％) ≤: 0.040
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): 12.0 ~ 14.0
Nickel, Ni (％): -
Molybdenum, Mo (％):
MECHANICAL PROPERTIES FINAL HEAT TREATMENT
Form: plate, sheet, strip
Condition: annealing
Tensile strength, Rm / MPa: 690
Yield strength, Rp0.2 / MPa: -
Elongation, δ (％): 15
Reduction of area, ф (％): -
Reduction of area, ф (％): -
Hardness | HRB: ≤96
Form: bar
Condition: Tempering (620℃)
Rm / MPa: 720
Rp0.2 / MPa: 148
Rp0.2 / MPa: 148
A5, (％): 8.0
Z (％): 25
Hardness | HRB: ≤ 52HRC
Z (％): 25
Hardness | HRB: ≤ 52HRC
TYPICAL APPLICATIONS
Chemical equipment & parts.
Mechanical parts used in the condition of corrosion resistance.
Bolt and nuts, Pressure vessel
Chemical equipment & parts.
Mechanical parts used in the condition of corrosion resistance.
Bolt and nuts, Pressure vessel
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
If you meet further on any technical enquiry. pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
PRODUCT PROFILE & DIMENSIONS
Round bar / Wire rod (diameter): 5.50mm to 600mm
Square bar / Flat bar: 6mm to 800mm
Plate / Sheet steel / Steel strip: 0.1mm to 500mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts, other different shapes based on OEM.
Round bar / Wire rod (diameter): 5.50mm to 600mm
Square bar / Flat bar: 6mm to 800mm
Plate / Sheet steel / Steel strip: 0.1mm to 500mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts, other different shapes based on OEM.
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