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 S66286View material details

Select another material to compare side by side.

Scroll horizontally to compare all columns.

Compare Materials: A-286
MaterialA-286S66286

Summary

Material familySpecial Stainless & Iron-Base Alloys
Grade / UNSS66286
SummaryAn age-hardenable iron-nickel-chromium alloy used for high-temperature bolting.

Performance overview

Material focusHigh-temperature strength
Physical referenceNot documented in this reference
Chemical composition
Chemical composition

Composition limits · wt.%

Cr
13.5–16
Ni
24–27
Mo
1.0–1.5
Ti
1.90–2.35
V
0.10–0.50
B
0.001–0.010
Al
≤0.35
C
≤0.08
Mn
≤2.0
P
≤0.04
S
≤0.03
Si
≤1.0
Supplied technical reference · Scanned PDF page 7 · printed page 19

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≥895 MPa
Catalogue reference minimums
Grade 660 · Class A / B / C reference
Not documented in this reference
Supplied technical reference · Scanned PDF page 7 · printed page 19
0.2% yield strength≥585 MPa
Catalogue reference minimums
Grade 660 · Class A / B / C reference
Not documented in this reference
Supplied technical reference · Scanned PDF page 7 · printed page 19
Elongation≥15 %
Catalogue reference minimums
Grade 660 · Class A / B / C reference
Not documented in this reference
Supplied technical reference · Scanned PDF page 7 · printed page 19
Reference conditions
Data basis
Catalogue reference minimums
Condition
Grade 660 · Class A / B / C reference
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
A5, as labelled in supplied table

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 reviewFor Grade 660 bolting, state the required class and size.
Temperature-dependent dataNot documented in this reference

Heat treatment

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

ConditionGrade 660 · Class A / B / C reference
Reference treatmentNot documented in this reference

Reference applications

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

Reference applicationsHigh-temperature bolting · turbine 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.

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