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ASTM A588 Grade B vs IS 11169 (Part 1) 35Cr4Mo2

Related Material — 60.4% match based on chemical composition and mechanical property overlap.

ASTM A588 Grade B (ASTM A588) and IS 11169 (Part 1) 35Cr4Mo2 (IS 11169 (Part 1):2022) are both steel grades. ASTM A588 Grade B is classified under Structural Steel (Corten / Weathering), while IS 11169 (Part 1) 35Cr4Mo2 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. ASTM A588 Grade B is typically used for high-strength low-alloy structural steel with atmospheric corrosion resistance (weathering steel); bridges, transmission/communication towers, gusset plates, exposed structural applications, while IS 11169 (Part 1) 35Cr4Mo2 is commonly used for cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex c). ASTM A588 Grade B is defined under ASTM International, originating from United States, while IS 11169 (Part 1) 35Cr4Mo2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A588 Grade B vs IS 11169 (Part 1) 35Cr4Mo2 is a 60.4% 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 60.4%.

Frequently Compared With ASTM A588 Grade B:
ASTM A588 EN 10025-5 S355J2W EN 10025-5 S355J0WP JIS G3114 SMA400 CSA G40.21 260WT ASTM A588 Grade A CSA G40.21 350A CSA G40.21 50W AS/NZS 3678 Grade 350WR EN 10025-5 S355J2WP CSA G40.21 480A ASTM A709 Grade HPS 70W
Match Breakdown
CHEMISTRY MATCH
60.4%
MECHANICAL MATCH
No shared data
OVERALL
60.4%
Specifications
Property ASTM A588 Grade B IS 11169 (Part 1) 35Cr4Mo2
Standard ASTM A588 IS 11169 (Part 1):2022
Category Structural Steel (Corten / Weathering) Alloy Steel
C (%) <=0.20 0.33-0.38
Mn (%) 0.75-1.25 0.70-0.90
Si (%) 0.15-0.30 0.15-0.35
P (%) <=0.040 <=0.030
S (%) <=0.050 <=0.040
Cu (%) 0.20-0.40 <=0.35
Cr (%) 0.40-0.70 0.80-1.10
Ni (%) <=0.50 <=0.25
Mo (%) 0.02-0.10 0.15-0.25
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 B IS 11169 (Part 1) 35Cr4Mo2
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 B
High-strength low-alloy structural steel with atmospheric corrosion resistance (weathering steel); bridges, transmission/communication towers, gusset plates, exposed structural applications
IS 11169 (Part 1) 35Cr4Mo2
Cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex C)
Key Differences
Can ASTM A588 Grade B Be Substituted With IS 11169 (Part 1) 35Cr4Mo2?
ASTM A588 Grade B and IS 11169 (Part 1) 35Cr4Mo2 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 B
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3100–3200 mm (122.05–125.98 in)
IS 11169 (Part 1) 35Cr4Mo2
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ASTM A588 Grade B
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IS 11169 (Part 1) 35Cr4Mo2
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Frequently Asked Questions
What is the difference between ASTM A588 Grade B and IS 11169 (Part 1) 35Cr4Mo2?
Different category: ASTM A588 Grade B is Structural Steel (Corten / Weathering), IS 11169 (Part 1) 35Cr4Mo2 is Alloy Steel.
Can ASTM A588 Grade B be substituted with IS 11169 (Part 1) 35Cr4Mo2?
ASTM A588 Grade B and IS 11169 (Part 1) 35Cr4Mo2 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.