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IS 1570 (Part 5) X45Cr9Si3 vs ASTM A959 .-

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 5) X45Cr9Si3 (IS 1570 (Part 5):1985) and ASTM A959 .- (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. IS 1570 (Part 5) X45Cr9Si3 is defined under Bureau of Indian Standards (IS), originating from India, while ASTM A959 .- is defined under ASTM International, originating from United States.

As per chemical composition, IS 1570 (Part 5) X45Cr9Si3 vs ASTM A959 .- is a 64.7% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 1570 (Part 5) X45Cr9Si3:
GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4845 GOST 5632 12Kh13 GB/T 3280 06Cr19Ni10 EN 10088-1 1.4401 EN 10088-1 1.4006 IS 1570 (Part 7) 12Cr13H IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
64.7%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property IS 1570 (Part 5) X45Cr9Si3 ASTM A959 .-
Standard IS 1570 (Part 5):1985 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) 0.40-0.50 <=0.030
Si (%) 3.0-3.75 <=1.00
Mn (%) 0.30-0.60 <=1.00
P (%) <=0.045 <=0.040
S (%) <=0.050 <=0.030
Cr (%) 7.5-9.5 18.0-20.0
Ni (%) <=0.50 <=0.50
Cb (%) Not specified 0.10-0.60
N (%) Not specified <=0.030
Ti (%) Not specified 0.07-0.30
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 5) X45Cr9Si3 ASTM A959 .-
Hardness 255-293 HB Not specified
Condition Valve steel, hardened and tempered (Table 6) Not specified
Typical Applications
IS 1570 (Part 5) X45Cr9Si3
Not documented
ASTM A959 .-
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can IS 1570 (Part 5) X45Cr9Si3 Be Substituted With ASTM A959 .-?
IS 1570 (Part 5) X45Cr9Si3 and ASTM A959 .- 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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IS 1570 (Part 5) X45Cr9Si3
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ASTM A959 .-
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Frequently Asked Questions
What is the difference between IS 1570 (Part 5) X45Cr9Si3 and ASTM A959 .-?
ASTM A959 .- specifies Cb, N, Ti which are not specified for IS 1570 (Part 5) X45Cr9Si3.
Can IS 1570 (Part 5) X45Cr9Si3 be substituted with ASTM A959 .-?
IS 1570 (Part 5) X45Cr9Si3 and ASTM A959 .- 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.