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ASTM A959 334 vs UNI 6900 X5CrNi1810

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

ASTM A959 334 (ASTM A959:2011) and UNI 6900 X5CrNi1810 (UNI 6900:1971) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 334 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while UNI 6900 X5CrNi1810 is commonly used for used in kitchen equipment, chemical tanks, piping, architectural panels, food processing equipment, and fasteners.. ASTM A959 334 is defined under ASTM International, originating from United States, while UNI 6900 X5CrNi1810 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy.

As per chemical composition, ASTM A959 334 vs UNI 6900 X5CrNi1810 is a 75.3% 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 69.9%.

Frequently Compared With ASTM A959 334:
EN 10088-1 1.4401 GB/T 3280 06Cr19Ni10 EN 10088-1 1.4301 IS 1570 (Part 7) 11Cr17Ni13W3TiH ASTM A959 .- GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
75.3%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property ASTM A959 334 UNI 6900 X5CrNi1810
Standard ASTM A959:2011 UNI 6900:1971
Category Stainless Steel Stainless Steel
Al (%) 0.15-0.60 Not specified
C (%) <=0.08 0.07 max
Cr (%) 18.0-20.0 17.50-19.50
Mn (%) <=1.00 2.00 max
Ni (%) 19.0-21.0 8.00-10.50
P (%) <=0.030 0.045 max
S (%) <=0.015 0.015 max
Si (%) <=1.00 1.00 max
Ti (%) 0.15-0.60 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 A959 334 UNI 6900 X5CrNi1810
Tensile Strength Not specified 520-720 MPa
Yield Strength Not specified 210 MPa min
Elongation Not specified 45% min
Hardness Not specified 187 HB max
Typical Applications
ASTM A959 334
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
UNI 6900 X5CrNi1810
Used in kitchen equipment, chemical tanks, piping, architectural panels, food processing equipment, and fasteners.
Key Differences
Can ASTM A959 334 Be Substituted With UNI 6900 X5CrNi1810?
ASTM A959 334 and UNI 6900 X5CrNi1810 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.
Forms & Sizes Available on M-EX
ASTM A959 334
No active listings currently.
UNI 6900 X5CrNi1810
Sheet → (2 listings)
Thickness: 6–6 mm (0.24–0.24 in)
Width: 1250–1250 mm (49.21–49.21 in)
Length: 2600–3700 mm (102.36–145.67 in)
On M-EX Right Now
ASTM A959 334
0 active listings and RFQs →
UNI 6900 X5CrNi1810
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A959 334 and UNI 6900 X5CrNi1810?
ASTM A959 334 specifies Al, Ti which are not specified for UNI 6900 X5CrNi1810.
Can ASTM A959 334 be substituted with UNI 6900 X5CrNi1810?
ASTM A959 334 and UNI 6900 X5CrNi1810 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.