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SAE J404 5130 vs GB/T 3077 30Cr

Strong Match — 89.1% match based on chemical composition and mechanical property overlap.

SAE J404 5130 (SAE J404:2009) and GB/T 3077 30Cr (GB/T 3077:2015) are both steel grades. Both fall under the Alloy Steel category. SAE J404 5130 is typically used for chemistry-only alloy steel grade; see the composition notes for product scope, while GB/T 3077 30Cr is commonly used for hot-rolled or forged structural alloy steel bars. SAE J404 5130 is defined under SAE International, originating from United States, while GB/T 3077 30Cr is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, SAE J404 5130 vs GB/T 3077 30Cr is a 89.1% 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 89.1%.

Frequently Compared With SAE J404 5130:
NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 4367 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
89.1%
MECHANICAL MATCH
No shared data
OVERALL
89.1%
Specifications
Property SAE J404 5130 GB/T 3077 30Cr
Standard SAE J404:2009 GB/T 3077:2015
Category Alloy Steel Alloy Steel
C (%) 0.28-0.33 0.27-0.34
Cr (%) 0.80-1.10 0.80-1.10
Mn (%) 0.70-0.90 0.50-0.80
P (%) <=0.030 <=0.030
S (%) <=0.040 <=0.030
Si (%) 0.15-0.35 0.17-0.37
Cu (%) Not specified <=0.30
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 5130 GB/T 3077 30Cr
Tensile Strength Not specified >=885 MPa
Yield Strength Not specified >=685 MPa
Elongation Not specified >=11%
Hardness Not specified <=187 HB
Condition Not specified Quenched and tempered, test sample 25 mm; hardness is for bars delivered annealed or high temperature tempered
Typical Applications
SAE J404 5130
Chemistry-only alloy steel grade; see the composition notes for product scope
GB/T 3077 30Cr
Hot-rolled or forged structural alloy steel bars
Key Differences
Can SAE J404 5130 Be Substituted With GB/T 3077 30Cr?
SAE J404 5130 and GB/T 3077 30Cr overlap closely enough on chemistry and mechanical properties that GB/T 3077 30Cr is often considered as a substitute for SAE J404 5130 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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SAE J404 5130
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GB/T 3077 30Cr
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Frequently Asked Questions
What is the difference between SAE J404 5130 and GB/T 3077 30Cr?
GB/T 3077 30Cr specifies Cu which is not specified for SAE J404 5130.
Can SAE J404 5130 be substituted with GB/T 3077 30Cr?
SAE J404 5130 and GB/T 3077 30Cr overlap closely enough on chemistry and mechanical properties that GB/T 3077 30Cr is often considered as a substitute for SAE J404 5130 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.