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SAE J403 12L14 vs NF A35-562 S300Pb

Strong Match — 89.6% match based on chemical composition and mechanical property overlap.

SAE J403 12L14 (SAE J403:2001) and NF A35-562 S300Pb are both steel grades. Both fall under the Free Machining Steel category. SAE J403 12L14 is typically used for chemistry-only grade; product scope as listed in the composition notes, while NF A35-562 S300Pb is commonly used for used for turned parts, fittings, screws, nuts, hydraulic components, and precision machined parts.. SAE J403 12L14 is defined under SAE International, originating from United States, while NF A35-562 S300Pb is defined under Association Francaise de Normalisation (NF), originating from France.

As per chemical composition, SAE J403 12L14 vs NF A35-562 S300Pb is a 89.6% 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 89.6%.

Frequently Compared With SAE J403 12L14:
SAE J403 1117 SAE J403 1118 SAE J403 1126 SAE J403 1132 SAE J403 1132 IS 1570 (Part 3) 10C8S10 IS 4432 10C8S10 SAE J403 1117 SAE J403 1118 SAE J403 1117 SAE J403 1126 SAE J403 1126
Match Breakdown
CHEMISTRY MATCH
89.6%
MECHANICAL MATCH
No shared data
OVERALL
89.6%
Specifications
Property SAE J403 12L14 NF A35-562 S300Pb
Standard SAE J403:2001 NF A35-562
Category Free Machining Steel Free Machining Steel
C (%) <=0.15 0.08-0.15
Mn (%) 0.85-1.15 0.80-1.20
P (%) 0.04-0.09 0.11 max
Pb (%) 0.15-0.35 0.15-0.35
S (%) 0.26-0.35 0.24-0.33
Si (%) Not specified 0.05 max
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property SAE J403 12L14 NF A35-562 S300Pb
Tensile Strength Not specified 420-550 MPa
Yield Strength Not specified 250-350 MPa
Elongation Not specified 8-15%
Hardness Not specified 120-180 HB
Typical Applications
SAE J403 12L14
Chemistry-only grade; product scope as listed in the composition notes
NF A35-562 S300Pb
Used for turned parts, fittings, screws, nuts, hydraulic components, and precision machined parts.
Key Differences
Can SAE J403 12L14 Be Substituted With NF A35-562 S300Pb?
SAE J403 12L14 and NF A35-562 S300Pb overlap closely enough on chemistry and mechanical properties that NF A35-562 S300Pb is often considered as a substitute for SAE J403 12L14 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 J403 12L14
No active listings currently.
NF A35-562 S300Pb
Hex Bar → (2 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 2500–4400 mm (98.43–173.23 in)
On M-EX Right Now
SAE J403 12L14
0 active listings and RFQs →
NF A35-562 S300Pb
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between SAE J403 12L14 and NF A35-562 S300Pb?
NF A35-562 S300Pb specifies Si which is not specified for SAE J403 12L14.
Can SAE J403 12L14 be substituted with NF A35-562 S300Pb?
SAE J403 12L14 and NF A35-562 S300Pb overlap closely enough on chemistry and mechanical properties that NF A35-562 S300Pb is often considered as a substitute for SAE J403 12L14 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.