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ASTM A276/A276M S21800 vs IS 1570 (Part 7) 12Cr12MoH

Minimal Match — 33.1% match based on chemical composition and mechanical property overlap.

ASTM A276/A276M S21800 (ASTM A276/A276M:2017) and IS 1570 (Part 7) 12Cr12MoH (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. ASTM A276/A276M S21800 is typically used for stainless steel bars and shapes (hot-finished or cold-finished), while IS 1570 (Part 7) 12Cr12MoH is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. ASTM A276/A276M S21800 is defined under ASTM International, originating from United States, while IS 1570 (Part 7) 12Cr12MoH is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A276/A276M S21800 vs IS 1570 (Part 7) 12Cr12MoH is a 49.7% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 33.1%.

Frequently Compared With ASTM A276/A276M S21800:
ASTM A959 201 ASTM A959 202 GOST 5632 08X18H10 EN 10088-1 1.4845 ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
49.7%
MECHANICAL MATCH
0%
OVERALL
33.1%
Specifications
Property ASTM A276/A276M S21800 IS 1570 (Part 7) 12Cr12MoH
Standard ASTM A276/A276M:2017 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) <=0.10 0.08-0.16
Mn (%) 7.0-9.0 0.40-1.00
P (%) <=0.060 <=0.040
S (%) <=0.030 <=0.035
Si (%) 3.5-4.5 <=0.60
Cr (%) 16.0-18.0 11.5-13.00
Ni (%) 8.0-9.0 <=1.0
N (%) 0.08-0.18 Not specified
Mo (%) Not specified 0.40-0.80
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A276/A276M S21800 IS 1570 (Part 7) 12Cr12MoH
Tensile Strength >=655 MPa 680-880 MPa
Yield Strength >=345 MPa >=490 MPa (0.2 % proof stress)
Elongation >=35% >=20%
Hardness <=241 HB Not specified
Condition Condition A (Annealed), hot-finished or cold-finished, all sizes (first row printed) Bars, forgings, Q+T, thickness up to 75 (first row of Table 3)
Typical Applications
ASTM A276/A276M S21800
Stainless steel bars and shapes (hot-finished or cold-finished)
IS 1570 (Part 7) 12Cr12MoH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can ASTM A276/A276M S21800 Be Substituted With IS 1570 (Part 7) 12Cr12MoH?
ASTM A276/A276M S21800 and IS 1570 (Part 7) 12Cr12MoH 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 A276/A276M S21800
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IS 1570 (Part 7) 12Cr12MoH
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Frequently Asked Questions
What is the difference between ASTM A276/A276M S21800 and IS 1570 (Part 7) 12Cr12MoH?
ASTM A276/A276M S21800 specifies N which is not specified for IS 1570 (Part 7) 12Cr12MoH. IS 1570 (Part 7) 12Cr12MoH specifies Mo which is not specified for ASTM A276/A276M S21800.
Can ASTM A276/A276M S21800 be substituted with IS 1570 (Part 7) 12Cr12MoH?
ASTM A276/A276M S21800 and IS 1570 (Part 7) 12Cr12MoH 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.