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IS 1570 (Part 6) T55Ni7Cr3Mo3V1 vs SAE J404 4340

Related Material — 65% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 6) T55Ni7Cr3Mo3V1 (IS 1570 (Part 6):1996) and SAE J404 4340 (SAE J404:2009) are both steel grades. IS 1570 (Part 6) T55Ni7Cr3Mo3V1 is classified under Tool & Die Steels, while SAE J404 4340 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. IS 1570 (Part 6) T55Ni7Cr3Mo3V1 is defined under Bureau of Indian Standards (IS), originating from India, while SAE J404 4340 is defined under SAE International, originating from United States.

As per chemical composition, IS 1570 (Part 6) T55Ni7Cr3Mo3V1 vs SAE J404 4340 is a 65.1% 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 65%.

Frequently Compared With IS 1570 (Part 6) T55Ni7Cr3Mo3V1:
EN ISO 4957 1.2316 EN ISO 683-17 100Cr6 GOST 5950 4H5MFS GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 103T3 GB/T 1299 4Cr5MoSiV GB/T 1299 4Cr5MoSiV1 IS 1570 (Part 6) 133T3 GOST 5950 3H2W8F IS 1570 (Part 6) 118T3
Match Breakdown
CHEMISTRY MATCH
65.1%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property IS 1570 (Part 6) T55Ni7Cr3Mo3V1 SAE J404 4340
Standard IS 1570 (Part 6):1996 SAE J404:2009
Category Tool & Die Steels Alloy Steel
C (%) 0.50-0.60 0.38-0.43
Si (%) 0.10-0.35 0.15-0.35
Mn (%) 0.65-0.95 0.60-0.80
Ni (%) 1.50-1.80 1.65-2.00
Cr (%) 0.60-0.80 0.70-0.90
Mo (%) 0.25-0.35 0.20-0.30
V (%) 0.07-0.12 Not specified
P (%) <=0.035 <=0.030
S (%) <=0.035 <=0.040
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
IS 1570 (Part 6) T55Ni7Cr3Mo3V1
Not documented
SAE J404 4340
Aircraft parts, heavy duty gears, crankshafts
Key Differences
Can IS 1570 (Part 6) T55Ni7Cr3Mo3V1 Be Substituted With SAE J404 4340?
IS 1570 (Part 6) T55Ni7Cr3Mo3V1 and SAE J404 4340 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
IS 1570 (Part 6) T55Ni7Cr3Mo3V1
No active listings currently.
SAE J404 4340
Round Bar → (25 listings)
Diameter: 50–100 mm (1.97–3.94 in)
Length: 3800–7000 mm (149.61–275.59 in)
Forging → (4 listings)
Diameter: 150–200 mm (5.91–7.87 in)
Length: 500–1500 mm (19.69–59.06 in)
Flat Bar → (3 listings)
Thickness: 30–30 mm (1.18–1.18 in)
Width: 120–120 mm (4.72–4.72 in)
Length: 2500–3000 mm (98.43–118.11 in)
On M-EX Right Now
IS 1570 (Part 6) T55Ni7Cr3Mo3V1
0 active listings and RFQs →
SAE J404 4340
32 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 6) T55Ni7Cr3Mo3V1 and SAE J404 4340?
Different category: IS 1570 (Part 6) T55Ni7Cr3Mo3V1 is Tool & Die Steels, SAE J404 4340 is Alloy Steel. IS 1570 (Part 6) T55Ni7Cr3Mo3V1 specifies V which is not specified for SAE J404 4340.
Can IS 1570 (Part 6) T55Ni7Cr3Mo3V1 be substituted with SAE J404 4340?
IS 1570 (Part 6) T55Ni7Cr3Mo3V1 and SAE J404 4340 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.