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SAE J403:2001 12L14 Steel: Specifications & Listings

SAE J403:2001 12L14: Rephosphorized and resulfurized free cutting carbon steel SAE 12L14 (UNS G12144) to SAE J403 NOV2001, a chemistry-only grade for semifinished products for forging, hot rolled and cold finished bars, wire rods and seamless tubing. Carbon up to 0.15% and manganese 0.85-1.15%.

Category: Free Machining Steel
Grade Details
GradeSAE J403:2001 12L14
Standard SAE J403:2001
ApplicationsChemistry-only grade; product scope as listed in the composition notes
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
NF A35-562 S300Pb NF A35-562 France 2 listings, 0 RFQs →
SAE J403 1215 SAE J403:2001 USA No activity yet
SAE J403 12L14 SAE J403:2009 USA No activity yet
BS 970 (Part 3) 230M07 BS 970 (Part 3):1991 UK No activity yet
BS 970 EN1A Leaded BS 970:1955 UK 3 listings, 0 RFQs →
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
SAE J403 12L14 SAE J403:2009 Strong Match
SAE J403 12L14 SAE J403:2014 Strong Match
BS 970 (Part 3) 230M07 BS 970 (Part 3):1991 Strong Match
SAE J403 1215 SAE J403:2001 Strong Match
SAE J403 1215 SAE J403:2009 Strong Match
SAE J403 1215 SAE J403:2014 Strong Match
NF A35-562 S300Pb NF A35-562 Strong Match
BS 970 (Part 1) 230M07 BS 970 (Part 1):1983 Strong Match
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Mn P Pb S
<=0.15 0.85-1.15 0.04-0.09 0.15-0.35 0.26-0.35

More data from SAE J403:2001

From the standard
Other composition limits from the table and its notes
UNS number
G12144
Product scope
semifinished products for forging, hot rolled and cold finished bars, wire rods and seamless tubing
Silicon is not normally specified for the 12xx series because it harms machinability. Lead (0.15 to 0.35%, letter L) and boron (0.0005 to 0.003%, letter B) versions of the standard grades are identified by a letter between the second and third digits.
Source: SAE J403:2001, Table 3B, rephosphorized and resulfurized free cutting carbon steels and its notes

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