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ASTM A959 S21500 vs IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH

Related Material — 59.6% match based on chemical composition and mechanical property overlap.

ASTM A959 S21500 (ASTM A959:2011) and IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 S21500 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. ASTM A959 S21500 is defined under ASTM International, originating from United States, while IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A959 S21500 vs IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH is a 59.6% 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 59.6%.

Frequently Compared With ASTM A959 S21500:
ASTM A959 .- GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 16-8-2H GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4006 IS 1570 (Part 7) 12Cr12MoH
Match Breakdown
CHEMISTRY MATCH
59.6%
MECHANICAL MATCH
No shared data
OVERALL
59.6%
Specifications
Property ASTM A959 S21500 IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH
Standard ASTM A959:2011 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
B (%) 0.003-0.009 0.003-0.010
C (%) 0.06-0.15 0.03-0.08
Cb (%) 0.75-1.25 Not specified
Cr (%) 14.0-16.0 13.5-16.00
Mn (%) 5.5-7.0 <=2.00
Mo (%) 0.80-1.20 1.00-1.50
Ni (%) 9.0-11.0 24.00-27.00
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Si (%) 0.2-1.0 <=1.00
V (%) 0.15-0.40 0.10-0.50
Ti (%) Not specified 1.9-2.30
Al (%) Not specified <=0.35
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 S21500 IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH
Tensile Strength Not specified 900-1100 MPa
Yield Strength Not specified >=600 MPa (0.2 % proof stress)
Elongation Not specified >=15%
Condition Not specified Bars, forgings, pipes, plates, S+P, thickness over 5 to 250 (first row of Table 3)
Typical Applications
ASTM A959 S21500
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can ASTM A959 S21500 Be Substituted With IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH?
ASTM A959 S21500 and IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH 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 S21500
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IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH
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Frequently Asked Questions
What is the difference between ASTM A959 S21500 and IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH?
ASTM A959 S21500 specifies Cb which is not specified for IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH. IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH specifies Ti, Al which are not specified for ASTM A959 S21500.
Can ASTM A959 S21500 be substituted with IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH?
ASTM A959 S21500 and IS 1570 (Part 7) 6Ni25Cr15Ti2MoVBH 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.