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ASTM A959 29-4C vs ASTM A240/A240M S44735

Strong Match — 100% match based on chemical composition and mechanical property overlap.

ASTM A959 29-4C (ASTM A959:2011) and ASTM A240/A240M S44735 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 29-4C is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A240/A240M S44735 is commonly used for pressure vessels and general applications (plate, sheet and strip). ASTM A959 29-4C is defined under ASTM International, originating from United States, while ASTM A240/A240M S44735 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 29-4C vs ASTM A240/A240M S44735 is a 100% 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 100%.

Frequently Compared With ASTM A959 29-4C:
ASTM A959 26-3-3 ASTM A959 29-4 ASTM A959 29-4-2 ASTM A959 25-4-4 GOST 5632 06Kh23N28 EN 10088-1 1.4401 GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 EN 10088-1 1.4301 ASTM A959 .- EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
100%
MECHANICAL MATCH
No shared data
OVERALL
100%
Specifications
Property ASTM A959 29-4C ASTM A240/A240M S44735
Standard ASTM A959:2011 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Cr (%) 28.0-30.0 28.0-30.0
Mn (%) <=1.00 <=1.00
Mo (%) 3.6-4.2 3.6-4.2
N (%) <=0.045 <=0.045
Ni (%) <=1.00 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A959 29-4C ASTM A240/A240M S44735
Tensile Strength Not specified >=550 MPa
Yield Strength Not specified >=415 MPa
Elongation Not specified >=18%
Hardness Not specified <=255 HB
Condition Not specified Plate, sheet and strip; yield by 0.2 percent offset
Typical Applications
ASTM A959 29-4C
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A240/A240M S44735
Pressure vessels and general applications (plate, sheet and strip)
Can ASTM A959 29-4C Be Substituted With ASTM A240/A240M S44735?
ASTM A959 29-4C and ASTM A240/A240M S44735 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S44735 is often considered as a substitute for ASTM A959 29-4C in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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ASTM A959 29-4C
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ASTM A240/A240M S44735
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Frequently Asked Questions
What is the difference between ASTM A959 29-4C and ASTM A240/A240M S44735?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A959 29-4C be substituted with ASTM A240/A240M S44735?
ASTM A959 29-4C and ASTM A240/A240M S44735 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S44735 is often considered as a substitute for ASTM A959 29-4C in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.