NBR FCA NiCuCr 15-7-2 Cast irons

Material group: Ferrous Alloys / Cast irons
Country / Standard: Brazil / NBR

Data updates

Latest Update: 2018-03
Total number of updates: 2
Update History
2014-11

This material has 14 properties — only a subset is shown here.

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NBR FCA NiCuCr 15-7-2 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 3.00
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.75 – 2.50
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
5.50 – 7.50
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

NBR 6611: 2015 / Austenitic gray cast iron parts - Requirements and test methods

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NBR FCA NiCuCr 15-7-2 Heat Treatments

  • Heat stress relief treatment between 620°C and 650°C for a time not less than 1 h and not more than 2 h for each 25 mm of the thickest part of the piece. The heating and cooling conditions must be established in advance between producer and buyer.
    Stabilization treatment of the parts can be made at 870°C for 1 h for each 25 mm of section thickness, to avoid dimensional variations.
    Parts with chiselled edges or excessive carbides may be annealed between 940°C and 1040°C for at least 30 min and up to 5h.

NBR FCA NiCuCr 15-7-2 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
175 — 210 MPa
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Brinell Hardness (HB)
130 — 170
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Elongation, A
≥ 2 %
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  • 2Cross References
  • 8Composition
  • 3Mechanical Properties
  • -Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers