Post Stock Login Register

ASTM A240/A240M S40910 vs ASTM A959 S40930

Strong Match — 91.1% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S40910 (ASTM A240/A240M:2025) and ASTM A959 S40930 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S40910 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 S40930 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M S40910 is defined under ASTM International, originating from United States, while ASTM A959 S40930 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S40910 vs ASTM A959 S40930 is a 91.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 91.1%.

Frequently Compared With ASTM A240/A240M S40910:
GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4845 GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4301 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
91.1%
MECHANICAL MATCH
No shared data
OVERALL
91.1%
Specifications
Property ASTM A240/A240M S40910 ASTM A959 S40930
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Mn (%) <=1.00 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.020 <=0.020
Si (%) <=1.00 <=1.00
Cr (%) 10.5-11.7 10.5-11.7
Ni (%) <=0.50 <=0.50
N (%) <=0.030 <=0.030
Ti (%) <=0.50 Not specified
Nb (%) <=0.17 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A240/A240M S40910 ASTM A959 S40930
Tensile Strength >=380 MPa Not specified
Yield Strength >=170 MPa Not specified
Elongation >=20% Not specified
Hardness <=179 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S40910
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 S40930
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A240/A240M S40910 Be Substituted With ASTM A959 S40930?
ASTM A240/A240M S40910 and ASTM A959 S40930 overlap closely enough on chemistry and mechanical properties that ASTM A959 S40930 is often considered as a substitute for ASTM A240/A240M S40910 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
On M-EX Right Now
ASTM A240/A240M S40910
0 active listings and RFQs →
ASTM A959 S40930
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A240/A240M S40910 and ASTM A959 S40930?
ASTM A240/A240M S40910 specifies Ti, Nb which are not specified for ASTM A959 S40930.
Can ASTM A240/A240M S40910 be substituted with ASTM A959 S40930?
ASTM A240/A240M S40910 and ASTM A959 S40930 overlap closely enough on chemistry and mechanical properties that ASTM A959 S40930 is often considered as a substitute for ASTM A240/A240M S40910 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.