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NF A35-552 XC48 vs SAE J403 1049

Strong Match — 88.7% match based on chemical composition and mechanical property overlap.

NF A35-552 XC48 (NF A35-552:1986) and SAE J403 1049 (SAE J403:2014) are both steel grades. Both fall under the Carbon Steel category. NF A35-552 XC48 is typically used for used for gears, axles, rollers, machine spindles, hand tools, and wear-resistant parts., while SAE J403 1049 is commonly used for chemistry-only grade; product scope as listed in the composition notes. NF A35-552 XC48 is defined under Association Francaise de Normalisation (NF), originating from France, while SAE J403 1049 is defined under SAE International, originating from United States.

As per chemical composition, NF A35-552 XC48 vs SAE J403 1049 is a 88.7% 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 88.7%.

Frequently Compared With NF A35-552 XC48:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A12 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A47 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045A10 BS 970 (Part 3) 045M10
Match Breakdown
CHEMISTRY MATCH
88.7%
MECHANICAL MATCH
No shared data
OVERALL
88.7%
Specifications
Property NF A35-552 XC48 SAE J403 1049
Standard NF A35-552:1986 SAE J403:2014
Category Carbon Steel Carbon Steel
C (%) 0.45-0.52 0.46-0.53
Si (%) 0.10-0.35 Not specified
Mn (%) 0.50-0.80 0.60-0.90
P (%) 0.045 max <=0.030 (flat rolled), <=0.040 (long products)
S (%) 0.045 max <=0.035 (flat rolled), <=0.050 (long products)
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property NF A35-552 XC48 SAE J403 1049
Tensile Strength 700-850 MPa Not specified
Yield Strength 400-550 MPa Not specified
Elongation 14-20% Not specified
Hardness 190-255 HB Not specified
Typical Applications
NF A35-552 XC48
Used for gears, axles, rollers, machine spindles, hand tools, and wear-resistant parts.
SAE J403 1049
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
Can NF A35-552 XC48 Be Substituted With SAE J403 1049?
NF A35-552 XC48 and SAE J403 1049 overlap closely enough on chemistry and mechanical properties that SAE J403 1049 is often considered as a substitute for NF A35-552 XC48 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
NF A35-552 XC48
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 6300–7000 mm (248.03–275.59 in)
SAE J403 1049
No active listings currently.
On M-EX Right Now
NF A35-552 XC48
2 active listings and RFQs →
SAE J403 1049
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between NF A35-552 XC48 and SAE J403 1049?
NF A35-552 XC48 specifies Si which is not specified for SAE J403 1049.
Can NF A35-552 XC48 be substituted with SAE J403 1049?
NF A35-552 XC48 and SAE J403 1049 overlap closely enough on chemistry and mechanical properties that SAE J403 1049 is often considered as a substitute for NF A35-552 XC48 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.