ASTM:
A747 CB7Cu-1
ASME:
SA747 CB7Cu-1
Alloy Family:
Type:
17-4
ACI:
AISI:
17-4PH
SAE:
UNS - Cast:
J92180
UNS - Wrought:
S17400
Common Name - Wrought:

Alloy Casting Statistics

Pounds Poured in 2021

13,150 lb

Frequently Asked Questions

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Alloy Standard

Chemical Composition

  • Carbon:
    0.07% Max
  • Manganese:
    0.70% Max
  • Silicon:
    1.00% Max
  • Phosphorus:
    0.035% Max
  • Sulfur:
    0.03% Max
  • Chromium:
    15.50 - 17.70%
  • Nickel:
    3.60 - 4.60%
  • Molybdenum:
  • Nitrogen:
    0.050% Max
  • Nitrogen + Carbon:
  • Vanadium:
  • Tungsten:
  • Aluminum:
  • Titanium:
  • Copper:
    2.50 - 3.20%
  • Columbium:
    0.15 - 0.35%
  • Barium:
  • Boron:
  • Zirconium:
  • Cerium + Lanthanum:
  • Iron:
  • Residual Elements:

Physical Properties

  • Yield Strength:
    97 ksi Min
  • Tensile Strength:
    125 ksi Min
  • Elongation at 2 in:
    10% Min
  • Reduction of Area:

Charpy Properties

  • Test Temperature:
  • Average Energy¹:
  • Single Energy:

¹ Minimum value for 2 test specimens and minimum average of 3 test specimens.