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ASTM A959 800H vs ASTM A240/A240M N08800

Strong Match — 95.8% match based on chemical composition and mechanical property overlap.

ASTM A959 800H (ASTM A959:2011) and ASTM A240/A240M N08800 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 800H is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A240/A240M N08800 is commonly used for pressure vessels and general applications (plate, sheet and strip). ASTM A959 800H is defined under ASTM International, originating from United States, while ASTM A240/A240M N08800 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 800H vs ASTM A240/A240M N08800 is a 95.8% 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 95.8%.

Frequently Compared With ASTM A959 800H:
IS 1570 (Part 7) 12Cr13H ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 IS 1570 (Part 7) 12Cr12MoH EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH GOST 5632 08X18H10 EN 10088-1 1.4006 IS 1570 (Part 7) 12Cr12MoVH EN 10088-1 1.4301
Match Breakdown
CHEMISTRY MATCH
95.8%
MECHANICAL MATCH
No shared data
OVERALL
95.8%
Specifications
Property ASTM A959 800H ASTM A240/A240M N08800
Standard ASTM A959:2011 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
Al (%) 0.15-0.60 0.15-0.60
C (%) 0.05-0.10 <=0.10
Cr (%) 19.0-23.0 19.0-23.0
Cu (%) <=0.75 <=0.75
Fe (%) >=39.5 >=39.5
Mn (%) <=1.50 <=1.50
Ni (%) 30.0-35.0 30.0-35.0
P (%) <=0.045 <=0.045
S (%) <=0.015 <=0.015
Si (%) <=1.00 <=1.00
Ti (%) 0.15-0.60 0.15-0.60
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 800H ASTM A240/A240M N08800
Tensile Strength Not specified >=520 MPa
Yield Strength Not specified >=205 MPa
Elongation Not specified >=30%
Condition Not specified Plate, sheet and strip; yield by 0.2 percent offset
Typical Applications
ASTM A959 800H
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A240/A240M N08800
Pressure vessels and general applications (plate, sheet and strip)
Can ASTM A959 800H Be Substituted With ASTM A240/A240M N08800?
ASTM A959 800H and ASTM A240/A240M N08800 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M N08800 is often considered as a substitute for ASTM A959 800H 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 800H
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ASTM A240/A240M N08800
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Frequently Asked Questions
What is the difference between ASTM A959 800H and ASTM A240/A240M N08800?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A959 800H be substituted with ASTM A240/A240M N08800?
ASTM A959 800H and ASTM A240/A240M N08800 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M N08800 is often considered as a substitute for ASTM A959 800H in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.