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SAE J403 12L14 vs BS 970 (Part 3) 230M07

Strong Match — 90.1% match based on chemical composition and mechanical property overlap.

SAE J403 12L14 (SAE J403:2014) and BS 970 (Part 3) 230M07 (BS 970 (Part 3):1991) 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 BS 970 (Part 3) 230M07 is commonly used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; free-cutting steel (table 12). SAE J403 12L14 is defined under SAE International, originating from United States, while BS 970 (Part 3) 230M07 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, SAE J403 12L14 vs BS 970 (Part 3) 230M07 is a 90.1% 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 90.1%.

Frequently Compared With SAE J403 12L14:
SAE J403 1117 SAE J403 1126 SAE J403 1141 IS 1570 (Part 3) 10C8S10 SAE J403 1118 SAE J403 1118 IS 4432 10C8S10 SAE J403 1117 SAE J403 1126 SAE J403 1126 SAE J403 1117 SAE J403 1132
Match Breakdown
CHEMISTRY MATCH
90.1%
MECHANICAL MATCH
No shared data
OVERALL
90.1%
Specifications
Property SAE J403 12L14 BS 970 (Part 3) 230M07
Standard SAE J403:2014 BS 970 (Part 3):1991
Category Free Machining Steel Free Machining Steel
C (%) <=0.15 <=0.15
Mn (%) 0.85-1.15 0.90-1.30
P (%) 0.04-0.09 <=0.090
Pb (%) 0.15-0.35 Not specified
S (%) 0.26-0.35 0.25-0.35
Si (%) Not specified <=0.05
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
SAE J403 12L14
Chemistry-only grade; product scope as listed in the composition notes
BS 970 (Part 3) 230M07
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; free-cutting steel (Table 12)
Key Differences
Can SAE J403 12L14 Be Substituted With BS 970 (Part 3) 230M07?
SAE J403 12L14 and BS 970 (Part 3) 230M07 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 230M07 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
Hex Bar → (3 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 3400–3700 mm (133.86–145.67 in)
BS 970 (Part 3) 230M07
No active listings currently.
On M-EX Right Now
SAE J403 12L14
3 active listings and RFQs →
BS 970 (Part 3) 230M07
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between SAE J403 12L14 and BS 970 (Part 3) 230M07?
SAE J403 12L14 specifies Pb which is not specified for BS 970 (Part 3) 230M07. BS 970 (Part 3) 230M07 specifies Si which is not specified for SAE J403 12L14.
Can SAE J403 12L14 be substituted with BS 970 (Part 3) 230M07?
SAE J403 12L14 and BS 970 (Part 3) 230M07 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 230M07 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.