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Special Stainless & Iron-Base AlloysUNS S31703View material details

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Compare Materials: 317L
Material317LS31703

Summary

Material familySpecial Stainless & Iron-Base Alloys
Grade / UNSS31703
SummaryA low-carbon stainless steel with more molybdenum than 316L for demanding chemical environments.

Performance overview

Material focusMolybdenum-bearing austenitic
Physical 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 ↗

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 ↗
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 ↗
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 ↗
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)

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.
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 treatmentNot documented in this reference

Reference applications

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

Reference applicationsChemical-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

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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