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Special Stainless & Iron-Base AlloysUNS S32100View material details

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Compare Materials: 321
Material321S32100

Summary

Material familySpecial Stainless & Iron-Base Alloys
Grade / UNSS32100
SummaryA titanium-stabilized austenitic stainless steel used where resistance to sensitization is important.

Performance overview

Material focusTitanium stabilization
Physical referenceNot documented in this reference
Chemical composition
Chemical composition

Selected composition limits · wt.%

Cr
17–19
Ni
9–12
Ti
5×(C+N)–0.70
C
≤0.08
ATI · 321 / 347 · Technical Data Sheet · composition and room-temperature mechanical table ↗

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 strength≥515 MPa
Minimums quoted by producer
Annealed
Room temperature
ATI · 321 / 347 · Technical Data Sheet · composition and room-temperature mechanical table ↗
0.2% yield strength≥205 MPa
Minimums quoted by producer
Annealed
Room temperature
ATI · 321 / 347 · Technical Data Sheet · composition and room-temperature mechanical table ↗
Elongation≥40 %
Minimums quoted by producer
Annealed
Room temperature
ATI · 321 / 347 · Technical Data Sheet · composition and room-temperature mechanical table ↗
Reference conditions
Data basis
Minimums quoted by producer
Condition
Annealed
Sample form
Sheet test samples
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
2 in (50.8 mm)

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 reviewMatch stabilization and heat treatment to the thermal exposure.
Temperature-dependent dataNot documented in this reference

Heat treatment

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

ConditionAnnealed
Reference treatment1093°C (2000°F), air cooled.ATI · 321 / 347 · Technical Data Sheet · composition and room-temperature mechanical table ↗

Reference applications

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

Reference applicationsWelded equipment · hot-process components

Standards & documentation

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

Material specifications by form
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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