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ASTM A959 321H vs ASTM A959 348H

Strong Match — 93.1% match based on chemical composition and mechanical property overlap.

ASTM A959 321H (ASTM A959:2011) and ASTM A959 348H (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 321H is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A959 348H is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A959 321H is defined under ASTM International, originating from United States, while ASTM A959 348H is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 321H vs ASTM A959 348H is a 93.1% 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 93.1%.

Frequently Compared With ASTM A959 321H:
EN 10088-1 1.4845 EN 10088-1 1.4006 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr13H ASTM A959 .- EN 10088-1 1.4301
Match Breakdown
CHEMISTRY MATCH
93.1%
MECHANICAL MATCH
No shared data
OVERALL
93.1%
Specifications
Property ASTM A959 321H ASTM A959 348H
Standard ASTM A959:2011 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) 0.04-0.10 0.04-0.10
Cr (%) 17.0-19.0 17.0-19.0
Mn (%) <=2.00 <=2.00
N (%) <=0.10 Not specified
Ni (%) 9.0-12.0 9.0-12.0
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Co (%) Not specified <=0.20
Ta (%) Not specified <=0.10
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
ASTM A959 321H
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A959 348H
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A959 321H Be Substituted With ASTM A959 348H?
ASTM A959 321H and ASTM A959 348H overlap closely enough on chemistry and mechanical properties that ASTM A959 348H is often considered as a substitute for ASTM A959 321H 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 321H
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ASTM A959 348H
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Frequently Asked Questions
What is the difference between ASTM A959 321H and ASTM A959 348H?
ASTM A959 321H specifies N which is not specified for ASTM A959 348H. ASTM A959 348H specifies Co, Ta which are not specified for ASTM A959 321H.
Can ASTM A959 321H be substituted with ASTM A959 348H?
ASTM A959 321H and ASTM A959 348H overlap closely enough on chemistry and mechanical properties that ASTM A959 348H is often considered as a substitute for ASTM A959 321H in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.