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ASTM A959 25-4-4 vs ASTM A959 29-4-2

Related Material — 61.7% match based on chemical composition and mechanical property overlap.

ASTM A959 25-4-4 (ASTM A959:2011) and ASTM A959 29-4-2 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 25-4-4 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A959 29-4-2 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A959 25-4-4 is defined under ASTM International, originating from United States, while ASTM A959 29-4-2 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 25-4-4 vs ASTM A959 29-4-2 is a 61.7% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 61.7%.

Frequently Compared With ASTM A959 25-4-4:
ASTM A959 29-4 ASTM A959 2507 ASTM A959 26-3-3 ASTM A959 29-4C GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 ASTM A959 .- GB/T 3280 06Cr19Ni10 EN 10088-1 1.4401 EN 10088-1 1.4845
Match Breakdown
CHEMISTRY MATCH
61.7%
MECHANICAL MATCH
No shared data
OVERALL
61.7%
Specifications
Property ASTM A959 25-4-4 ASTM A959 29-4-2
Standard ASTM A959:2011 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.025 <=0.010
Cr (%) 24.5-26.0 28.0-30.0
Mn (%) <=1.00 <=0.30
Mo (%) 3.5-4.5 3.5-4.2
N (%) <=0.035 <=0.020
Ni (%) 3.5-4.5 2.00-2.50
P (%) <=0.040 <=0.025
S (%) <=0.030 <=0.020
Si (%) <=0.75 <=0.20
Cu (%) Not specified <=0.15
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
ASTM A959 25-4-4
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A959 29-4-2
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A959 25-4-4 Be Substituted With ASTM A959 29-4-2?
ASTM A959 25-4-4 and ASTM A959 29-4-2 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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ASTM A959 25-4-4
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ASTM A959 29-4-2
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Frequently Asked Questions
What is the difference between ASTM A959 25-4-4 and ASTM A959 29-4-2?
ASTM A959 29-4-2 specifies Cu which is not specified for ASTM A959 25-4-4.
Can ASTM A959 25-4-4 be substituted with ASTM A959 29-4-2?
ASTM A959 25-4-4 and ASTM A959 29-4-2 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.