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AISI 8615 vs SAE J404 8620

Strong Match — 91% match based on chemical composition and mechanical property overlap.

AISI 8615 and SAE J404 8620 (SAE J404:2009) are both steel grades. Both fall under the Alloy Steel category. AISI 8615 is typically used for used for gears, shafts, pinions, bushings, transmission parts, and carburized machinery components., while SAE J404 8620 is commonly used for case hardened gears, cams, pins, shafts. AISI 8615 is defined under AISI, originating from United States, while SAE J404 8620 is defined under SAE International, originating from United States.

As per chemical composition, AISI 8615 vs SAE J404 8620 is a 91% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 91%.

Frequently Compared With AISI 8615:
NF A35-565 100C6 GOST 4543 12HN3A UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5
Match Breakdown
CHEMISTRY MATCH
91%
MECHANICAL MATCH
No shared data
OVERALL
91%
Specifications
Property AISI 8615 SAE J404 8620
Standard AISI SAE J404:2009
Category Alloy Steel Alloy Steel
C (%) 0.13-0.18 0.18-0.23
Mn (%) 0.70-0.90 0.70-0.90
Si (%) 0.15-0.35 0.15-0.35
Ni (%) 0.40-0.70 0.40-0.70
Cr (%) 0.40-0.60 0.40-0.60
Mo (%) 0.15-0.25 0.15-0.25
P (%) 0.035 max <=0.030
S (%) 0.040 max <=0.040
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property AISI 8615 SAE J404 8620
Tensile Strength 700-900 MPa Not specified
Yield Strength 500-700 MPa Not specified
Elongation 14-20% Not specified
Hardness 180-240 HB Not specified
Typical Applications
AISI 8615
Used for gears, shafts, pinions, bushings, transmission parts, and carburized machinery components.
SAE J404 8620
Case hardened gears, cams, pins, shafts
Can AISI 8615 Be Substituted With SAE J404 8620?
AISI 8615 and SAE J404 8620 overlap closely enough on chemistry and mechanical properties that SAE J404 8620 is often considered as a substitute for AISI 8615 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
AISI 8615
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 4900–6300 mm (192.91–248.03 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
AISI 8615
2 active listings and RFQs →
SAE J404 8620
11 active listings and RFQs →
Frequently Asked Questions
What is the difference between AISI 8615 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 AISI 8615 be substituted with SAE J404 8620?
AISI 8615 and SAE J404 8620 overlap closely enough on chemistry and mechanical properties that SAE J404 8620 is often considered as a substitute for AISI 8615 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.