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Material selection

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Choose up to three materials. Compare their properties, reference conditions and specification requirements side by side.

47 matching materials

Nickel-Iron-Chromium AlloysUNS N08825View material details
Special Stainless & Iron-Base AlloysUNS N08020View material details
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Compare Materials: Incoloy 825, Incoloy 020
MaterialIncoloy 825N08825Incoloy 020N08020

Summary

Material familyNickel-Iron-Chromium AlloysSpecial Stainless & Iron-Base Alloys
Grade / UNSN08825N08020
SummaryA nickel-iron-chromium alloy with molybdenum and copper for corrosive process environments.A nickel-rich austenitic alloy used for sulfuric-acid processing and related chemical equipment.

Performance overview

Material focusAcid and chloride-bearing mediaSulfuric-acid process service
Physical reference
Density
8.14 g/cm³
Melting range
1370–1400 °C
Supplied technical reference · Scanned PDF page 13 · printed page 25		Not documented in this reference
Chemical composition
Chemical composition

Composition limits · wt.%

Ni
38–46
Cr
19.5–23.5
Mo
2.5–3.5
Ti
0.6–1.2
Cu
1.5–3.0
Fe
≥22
C
≤0.05
Mn
≤1.0
S
≤0.03
Si
≤0.50
Al
≤0.20
Supplied technical reference · Scanned PDF page 3 · printed page 15
Chemical composition

Selected composition limits · wt.%

Ni
32–38
Cr
19–21
Mo
2–3
Cu
3–4
Nb + Ta
8×C–1.0
Fe
Balance
Special Metals · Incoloy Alloy 020 · Technical bulletin · identity, composition, applications and listed specifications ↗

Mechanical properties

Reference conditions vary or are incomplete. Read the basis, condition and source for each column; these values do not establish a performance ranking or finished-fastener acceptance values.

Tensile strength690 MPa
Typical catalogue reference
Annealed
Not documented in this reference
Supplied technical reference · Scanned PDF page 13 · printed page 25		661 MPa
Published tensile-test result
Stabilize annealed · 0% cold reduction
Room temperature
Special Metals · Incoloy Alloy 020 · Technical bulletin · identity, composition, applications and listed specifications ↗
0.2% yield strength310 MPa
Typical catalogue reference
Annealed
Not documented in this reference
Supplied technical reference · Scanned PDF page 13 · printed page 25		306 MPa
Published tensile-test result
Stabilize annealed · 0% cold reduction
Room temperature
Special Metals · Incoloy Alloy 020 · Technical bulletin · identity, composition, applications and listed specifications ↗
Elongation45 %
Typical catalogue reference
Annealed
Not documented in this reference
Supplied technical reference · Scanned PDF page 13 · printed page 25		38 %
Published tensile-test result
Stabilize annealed · 0% cold reduction
Room temperature
Special Metals · Incoloy Alloy 020 · Technical bulletin · identity, composition, applications and listed specifications ↗
Reference conditions
Data basis
Typical catalogue reference
Condition
Annealed
Sample form
Not documented in this reference
Sample size
Not documented in this reference
Test temperature
Not documented in this reference
Test method
Not documented in this reference
Test direction
Not documented in this reference
Elongation gauge length
Not documented in this reference
Data basis
Published tensile-test result
Condition
Stabilize annealed · 0% cold reduction
Sample form
Not documented in this reference
Sample size
Not documented in this reference
Test temperature
Room temperature
Test method
Not documented in this reference
Test direction
Not documented in this reference
Elongation gauge length
Not documented in this reference

Temperature & corrosion

Evaluate the medium, concentration, impurities, temperature and loading together. A melting point or oxidation reference is not a safe working-temperature limit.

Service conditions to reviewReview chemical exposure and the required annealed condition.Confirm acid concentration, contaminants and temperature.
Temperature-dependent data
  • Strength and elongation vs temperatureAnnealed material · supplied reference
View material details 		Not documented in this reference

Heat treatment

Delivery condition and heat-treatment requirements are agreed for the requested product form and order.

ConditionAnnealedStabilize annealed · 0% cold reduction
Reference treatmentNot documented in this referenceNot documented in this reference

Reference applications

Application examples provide context for review; suitability depends on the actual service conditions.

Reference applicationsAcid-processing equipment · oil & gas equipmentSulfuric-acid processing · pumps & valves

Standards & documentation

Confirm the edition, product form and condition. Material specifications do not establish finished-fastener compliance.

Material specifications by form
Sources
Sources
Sources

Documents for your enquiry

Every BYBOLT delivery includes an MTC / EN 10204 3.1 certificate, heat-number traceability and mechanical testing. Threaded products include sampled GO / NO-GO gauging. Test methods and acceptance criteria follow the agreed specification; PMI, third-party inspection and additional records are agreed separately at quotation.

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