Material selection

Compare Materials

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

47 matching materials

Special Stainless & Iron-Base AlloysUNS S31703View material details
Special Stainless & Iron-Base AlloysUNS S31603View material details

Scroll horizontally to compare all columns.

Compare Materials: 317L, 316L
Material317LS31703316LS31603

Summary

Material familySpecial Stainless & Iron-Base AlloysSpecial Stainless & Iron-Base Alloys
Grade / UNSS31703S31603
SummaryA low-carbon stainless steel with more molybdenum than 316L for demanding chemical environments.A low-carbon molybdenum-bearing stainless steel used for general corrosion resistance.

Performance overview

Material focusMolybdenum-bearing austeniticMolybdenum-bearing austenitic
Physical referenceNot documented in this referenceNot documented in this reference
Chemical composition
Chemical composition

Selected composition limits · wt.%

Cr
18–20
Ni
11–15
Mo
3–4
C
≤0.03
ATI · 316 / 316L / 317 / 317L · Technical Data Sheet · ASTM A240 / ASME SA-240 minimum-properties table ↗
Chemical composition

Selected composition limits · wt.%

Cr
16–18
Ni
10–14
Mo
2–3
C
≤0.03
ATI · 316 / 316L / 317 / 317L · Technical Data Sheet · ASTM A240 / ASME SA-240 minimum-properties 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 · 316 / 316L / 317 / 317L · Technical Data Sheet · ASTM A240 / ASME SA-240 minimum-properties table ↗
≥485 MPa
Minimums quoted by producer
Annealed
Room temperature
ATI · 316 / 316L / 317 / 317L · Technical Data Sheet · ASTM A240 / ASME SA-240 minimum-properties table ↗
0.2% yield strength≥205 MPa
Minimums quoted by producer
Annealed
Room temperature
ATI · 316 / 316L / 317 / 317L · Technical Data Sheet · ASTM A240 / ASME SA-240 minimum-properties table ↗
≥170 MPa
Minimums quoted by producer
Annealed
Room temperature
ATI · 316 / 316L / 317 / 317L · Technical Data Sheet · ASTM A240 / ASME SA-240 minimum-properties table ↗
Elongation≥40 %
Minimums quoted by producer
Annealed
Room temperature
ATI · 316 / 316L / 317 / 317L · Technical Data Sheet · ASTM A240 / ASME SA-240 minimum-properties table ↗
≥40 %
Minimums quoted by producer
Annealed
Room temperature
ATI · 316 / 316L / 317 / 317L · Technical Data Sheet · ASTM A240 / ASME SA-240 minimum-properties table ↗
Reference conditions
Data basis
Minimums quoted by producer
Condition
Annealed
Sample form
Plate, sheet & strip
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 (51 mm)
Data basis
Minimums quoted by producer
Condition
Annealed
Sample form
Plate, sheet & strip
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 (51 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 reviewReview chloride concentration, temperature and crevice conditions.Review chloride concentration, temperature and crevice conditions.
Temperature-dependent dataNot documented in this referenceNot documented in this reference

Heat treatment

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

ConditionAnnealedAnnealed
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 applicationsChemical-process equipment · industrial componentsChemical-process equipment · industrial components

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.

Take your shortlist to the next step

Share your drawing or product form, dimensions, quantity and operating conditions. Your selected materials will be included as alternatives for review.

Get a Quote
Get a Quote