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ASTM A588 Grade A vs IS 1570 (Part 6) 65T6

Related Material — 63.8% match based on chemical composition and mechanical property overlap.

ASTM A588 Grade A (ASTM A588) and IS 1570 (Part 6) 65T6 (IS 1570 (Part 6):1996) are both steel grades. ASTM A588 Grade A is classified under Structural Steel (Corten / Weathering), while IS 1570 (Part 6) 65T6 is classified under Tool & Die Steels — a different category, which is worth noting alongside the chemistry match below. ASTM A588 Grade A is defined under ASTM International, originating from United States, while IS 1570 (Part 6) 65T6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A588 Grade A vs IS 1570 (Part 6) 65T6 is a 63.8% 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 63.8%.

Frequently Compared With ASTM A588 Grade A:
ASTM A588 CSA G40.21 50W CSA G40.21 260WT EN 10025-5 S355J2W JIS G3114 SMA400 CSA G40.21 350A EN 10025-5 S355J2WP AS/NZS 3678 Grade 350WR EN 10025-5 S355J0WP ASTM A709 Grade HPS 70W CSA G40.21 480A ASTM A588 Grade B
Match Breakdown
CHEMISTRY MATCH
63.8%
MECHANICAL MATCH
No shared data
OVERALL
63.8%
Specifications
Property ASTM A588 Grade A IS 1570 (Part 6) 65T6
Standard ASTM A588 IS 1570 (Part 6):1996
Category Structural Steel (Corten / Weathering) Tool & Die Steels
C (%) <=0.19 0.60-0.70
Mn (%) 0.80-1.25 0.50-0.80
Si (%) 0.30-0.65 0.10-0.35
P (%) <=0.040 <=0.035
S (%) <=0.050 <=0.035
Cu (%) 0.25-0.40 <=0.25
Cr (%) 0.40-0.65 <=0.20
Ni (%) <=0.40 <=0.25
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A588 Grade A IS 1570 (Part 6) 65T6
Tensile Strength 485 MPa min Not specified
Yield Strength 345 MPa min Not specified
Elongation 18% min Not specified
Hardness 140-190 HB Not specified
Typical Applications
ASTM A588 Grade A
High-strength low-alloy structural steel with atmospheric corrosion resistance (weathering steel); bridges, transmission/communication towers, gusset plates, exposed structural applications
IS 1570 (Part 6) 65T6
Not documented
Key Differences
Can ASTM A588 Grade A Be Substituted With IS 1570 (Part 6) 65T6?
ASTM A588 Grade A and IS 1570 (Part 6) 65T6 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 A588 Grade A
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–2700 mm (98.43–106.3 in)
IS 1570 (Part 6) 65T6
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ASTM A588 Grade A
2 active listings and RFQs →
IS 1570 (Part 6) 65T6
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Frequently Asked Questions
What is the difference between ASTM A588 Grade A and IS 1570 (Part 6) 65T6?
Different category: ASTM A588 Grade A is Structural Steel (Corten / Weathering), IS 1570 (Part 6) 65T6 is Tool & Die Steels.
Can ASTM A588 Grade A be substituted with IS 1570 (Part 6) 65T6?
ASTM A588 Grade A and IS 1570 (Part 6) 65T6 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.