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BS 970 EN362 vs SAE J404 8620

Close Alternative — 77.9% match based on chemical composition and mechanical property overlap.

BS 970 EN362 (BS 970:1955) and SAE J404 8620 (SAE J404:2009) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN362 is typically used for case hardened gears, cams, shafts, while SAE J404 8620 is commonly used for case hardened gears, cams, pins, shafts. BS 970 EN362 is defined under British Standards (BS), originating from United Kingdom, while SAE J404 8620 is defined under SAE International, originating from United States.

As per chemical composition, BS 970 EN362 vs SAE J404 8620 is a 77.9% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 77.9%.

Frequently Compared With BS 970 EN362:
GOST 4543 12HN3A NF A35-565 100C6 UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 103Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
77.9%
MECHANICAL MATCH
No shared data
OVERALL
77.9%
Specifications
Property BS 970 EN362 SAE J404 8620
Standard BS 970:1955 SAE J404:2009
Category Alloy Steel Alloy Steel
C (%) 0.18-0.23 0.18-0.23
Si (%) <=0.35 0.15-0.35
Mn (%) 0.70-1.00 0.70-0.90
Ni (%) 0.40-0.70 0.40-0.70
Cr (%) 0.55-0.80 0.40-0.60
Mo (%) 0.08-0.15 0.15-0.25
S (%) <=0.050 <=0.040
P (%) <=0.050 <=0.030
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 EN362 SAE J404 8620
Tensile Strength ≥849 MPa (55 tons/sq in, converted) Not specified
Elongation ≥15% Not specified
Condition core, min (lowest-strength condition of the standard) Not specified
Typical Applications
BS 970 EN362
Case hardened gears, cams, shafts
SAE J404 8620
Case hardened gears, cams, pins, shafts
Can BS 970 EN362 Be Substituted With SAE J404 8620?
BS 970 EN362 and SAE J404 8620 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
BS 970 EN362
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6400–6800 mm (251.97–267.72 in)
SAE J404 8620
Round Bar → (8 listings)
Diameter: 50–75 mm (1.97–2.95 in)
Length: 5200–7000 mm (204.72–275.59 in)
Flat Bar → (3 listings)
Thickness: 30–30 mm (1.18–1.18 in)
Width: 150–150 mm (5.91–5.91 in)
Length: 3200–3400 mm (125.98–133.86 in)
On M-EX Right Now
BS 970 EN362
2 active listings and RFQs →
SAE J404 8620
11 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN362 and SAE J404 8620?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN362 be substituted with SAE J404 8620?
BS 970 EN362 and SAE J404 8620 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.