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SAE J404 8620 vs AISI 8620

Strong Match — 99.6% match based on chemical composition and mechanical property overlap.

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

As per chemical composition, SAE J404 8620 vs AISI 8620 is a 99.6% 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 99.6%.

Frequently Compared With SAE J404 8620:
GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A NF A35-565 100C6 UNI 11234 100Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
99.6%
MECHANICAL MATCH
No shared data
OVERALL
99.6%
Specifications
Property SAE J404 8620 AISI 8620
Standard SAE J404:2009 AISI
Category Alloy Steel Alloy Steel
C (%) 0.18-0.23 0.18-0.23
Cr (%) 0.40-0.60 0.40-0.60
Mn (%) 0.70-0.90 0.70-0.90
Mo (%) 0.15-0.25 0.15-0.25
Ni (%) 0.40-0.70 0.40-0.70
P (%) <=0.030 0.035 max
S (%) <=0.040 0.040 max
Si (%) 0.15-0.35 0.15-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property SAE J404 8620 AISI 8620
Tensile Strength Not specified 750-980 MPa
Yield Strength Not specified 550-780 MPa
Elongation Not specified 12-18%
Hardness Not specified 200-280 HB
Typical Applications
SAE J404 8620
Case hardened gears, cams, pins, shafts
AISI 8620
Used for gears, shafts, sprockets, pinions, bushings, and transmission components.
Can SAE J404 8620 Be Substituted With AISI 8620?
SAE J404 8620 and AISI 8620 overlap closely enough on chemistry and mechanical properties that AISI 8620 is often considered as a substitute for SAE J404 8620 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
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)
AISI 8620
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6600–6900 mm (259.84–271.65 in)
On M-EX Right Now
SAE J404 8620
11 active listings and RFQs →
AISI 8620
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between SAE J404 8620 and AISI 8620?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can SAE J404 8620 be substituted with AISI 8620?
SAE J404 8620 and AISI 8620 overlap closely enough on chemistry and mechanical properties that AISI 8620 is often considered as a substitute for SAE J404 8620 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.