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ASTM A240/A240M S21800 vs IS 1570 (Part 5) X20Cr13

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

ASTM A240/A240M S21800 (ASTM A240/A240M:2025) and IS 1570 (Part 5) X20Cr13 (IS 1570 (Part 5):1985) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S21800 is defined under ASTM International, originating from United States, while IS 1570 (Part 5) X20Cr13 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A240/A240M S21800 vs IS 1570 (Part 5) X20Cr13 is a 57.4% match. As per mechanical properties, the match is 100%. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With ASTM A240/A240M S21800:
EN 10088-1 1.4006 IS 1570 (Part 7) 11Cr17Ni13W3TiH ASTM A959 202 GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
57.4%
MECHANICAL MATCH
100%
OVERALL
69.9%
Specifications
Property ASTM A240/A240M S21800 IS 1570 (Part 5) X20Cr13
Standard ASTM A240/A240M:2025 IS 1570 (Part 5):1985
Category Stainless Steel Stainless Steel
C (%) <=0.10 0.16-0.25
Mn (%) 7.00-9.00 <=1.0
P (%) <=0.060 <=0.040
S (%) <=0.030 <=0.030
Si (%) 3.5-4.5 <=1.0
Cr (%) 16.0-18.0 12.0-14.0
Ni (%) 8.0-9.0 <=1.0
N (%) 0.08-0.18 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 A240/A240M S21800 IS 1570 (Part 5) X20Cr13
Tensile Strength >=655 MPa Not specified
Yield Strength >=345 MPa Not specified
Elongation >=35% Not specified
Hardness <=241 HB <=241 HB
Condition Plate, sheet and strip; yield by 0.2 percent offset Annealed, quenched or solution treated plates, sheets and strips (Table 2)
Typical Applications
ASTM A240/A240M S21800
Pressure vessels and general applications (plate, sheet and strip)
IS 1570 (Part 5) X20Cr13
Not documented
Key Differences
Can ASTM A240/A240M S21800 Be Substituted With IS 1570 (Part 5) X20Cr13?
ASTM A240/A240M S21800 and IS 1570 (Part 5) X20Cr13 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 A240/A240M S21800
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IS 1570 (Part 5) X20Cr13
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S21800 and IS 1570 (Part 5) X20Cr13?
ASTM A240/A240M S21800 specifies N which is not specified for IS 1570 (Part 5) X20Cr13.
Can ASTM A240/A240M S21800 be substituted with IS 1570 (Part 5) X20Cr13?
ASTM A240/A240M S21800 and IS 1570 (Part 5) X20Cr13 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.