AISI 440C
2014-10-27 09:19:50 Origin： Remark：0 Click：
Technical specification of AISI 440C Martensitic steel, AISI 440C Round bar, Flat bar from steelmaking, forging, rolling, heat treatment, cold working.
MATERIAL DATA SHEET - ASTM 440C & UNS S44004
MATERIAL CATEGORY: Martensite type 17Cr-Mo
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 / QT
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 / QT
MATERIAL SPECIFICATIONS - ASTM A959 (2004), A276, A312, A632, A176, A580
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.95 ~ 1.20
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): ≤ 1.00
Phosphorus, P (％)≤: 0.040
Sulfur, S (％)≤: 0.030
Chromium, Cr (％): 16.0～18.0
Nickel, Ni (％): -
Molybdenum, Mo (％): ≤ 0.75
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): ≤ 1.00
Phosphorus, P (％)≤: 0.040
Sulfur, S (％)≤: 0.030
Chromium, Cr (％): 16.0～18.0
Nickel, Ni (％): -
Molybdenum, Mo (％): ≤ 0.75
Ferrum, Fe (％): remainder.
MECHANICAL PROPERTIES ( FINAL HEAT TREATMENT OR Q/T)
Form: bar
Condition: annealing
σb/MPa: 760
σ0.2/MPa: 450
σ0.2/MPa: 450
δ(％): 14
ф(％): -
Hardness | HRB: 97
ф(％): -
Hardness | HRB: 97
Form: wire
Condition: annealing,cold roll/drawn
σb/MPa: ≤965
σ0.2/MPa: -
σ0.2/MPa: -
δ(％): -
ф(％): -
Hardness | HRB:
ф(％): -
Hardness | HRB:
TYPICAL APPLICATIONS
Chemical equipments and parts.
Mechanical parts used in the condition of corrosion resistance.
Bolt and nuts, Pressure vessel.
Chemical equipments and parts.
Mechanical parts used in the condition of corrosion resistance.
Bolt and nuts, Pressure vessel.
INVENTORY - hot rolled/forged
Diameter: 40mm - 180mm
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.
PRODUCT PROFILE
Round bar / wire rod (diameter): 5.50mm to 500mm
Square bar / flat bar: 10mm to 2000mm
Plate / Sheet steel / Steel strip: 0.1mm to 500mm
Width: 8mm to 1500mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts, other different shapes based on OEM.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.
Square bar / flat bar: 10mm to 2000mm
Plate / Sheet steel / Steel strip: 0.1mm to 500mm
Width: 8mm to 1500mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts, other different shapes based on OEM.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.
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