A995 2A
ASTM:
A995 2A
ASME:
SA995 2A
Alloy Family:
Type:
24Cr-10Ni-Mo-N
Designation:
ACI:
CE8MN
AISI:
SAE:
UNS - Cast:
J93345
UNS - Wrought:
Common Name - Wrought:
Alloy Casting Statistics
Pounds Poured in 2021
Frequently Asked Questions
01
Q. What is duplex stainless steel?
A. Duplex stainless steel is an alloy with a two-phase metallurgical structure consisting of austenite and ferrite in almost equal parts. The content composition of duplex steel has a higher level of chromium and molybdenum, lower nickel and a percentage of nitrogen between 0.05 to 0.50%. This composition, coupled with heat treatment, makes duplex stainless better at corrosion resistance (chloride stress corrosion and chloride pitting corrosion especially) and higher strength when compared to austenitic stainless.
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Related Alloys
Industry Standard
Chemical Composition
- Carbon:0.080% Max
- Manganese:1.00% Max
- Silicon:1.50% Max
- Phosphorus:0.040% Max
- Sulfur:0.040% Max
- Chromium:22.50 - 25.50%
- Nickel:8.00 - 11.00%
- Molybdenum:3.00 - 4.50%
- Nitrogen:0.10 - 0.30%
- Nitrogen + Carbon:
- Vanadium:
- Tungsten:
- Aluminum:
- Titanium:
- Copper:
- Columbium:
- Barium:
- Boron:
- Zirconium:
- Cerium + Lanthanum:
- Iron:
- Residual Elements:
Physical Properties
- Yield Strength:65 ksi Min
- Tensile Strength:95 ksi Min
- Elongation at 2 in:25% 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.