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SAE J403:2001 1045 Steel: Specifications & Listings

SAE J403:2001 1045: Nonresulfurized carbon steel SAE 1045 (UNS G10450) to SAE J403 NOV2001, a chemistry-only grade for semifinished products for forging, hot rolled and cold finished bars, wire rods, plates, strip, sheets, welded tubing and seamless tubing. Carbon 0.43-0.50% and manganese 0.60-0.90%.

Category: Carbon Steel
Grade Details
GradeSAE J403:2001 1045
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
SAE J403 1045 SAE J403:2009 USA No activity yet
BS 970 (Part 1) 080H46 BS 970 (Part 1):1983 UK No activity yet
BS 970 (Part 1) 080M46 BS 970 (Part 1):1983 UK 0 listings, 2 RFQs →
IS 1570 (Part 2/Sec 1) 45C8 IS 1570 (Part 2/Sec 1):1979 India No activity yet
BS 970 (Part 1) 080A47 BS 970 (Part 1):1983 UK No activity yet
IS 1570 (Part 2/Sec 1) 50C8 IS 1570 (Part 2/Sec 1):1979 India No activity yet
BS 970 (Part 1) 080M50 BS 970 (Part 1):1983 UK No activity yet
BS 970 (Part 1) 060A45 BS 970 (Part 1):1983 UK No activity yet
BS 970 (Part 1) 060A47 BS 970 (Part 1):1983 UK No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
SAE J403 1045 SAE J403:2009 Strong Match
AISI 1045 AISI Strong Match
SAE J403 1045 SAE J403:2014 Strong Match
BS 970 (Part 1) 080H46 BS 970 (Part 1):1983 Strong Match
SAE J403 1046 SAE J403:2001 Strong Match
SAE J403 1046 SAE J403:2009 Strong Match
BS 970 (Part 1) 080M46 BS 970 (Part 1):1983 Strong Match
IS 1570 (Part 2/Sec 1) 45C8 IS 1570 (Part 2/Sec 1):1979 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 S
0.43-0.50 0.60-0.90 <=0.030 <=0.050

More data from SAE J403:2001

From the standard
Other composition limits from the table and its notes
UNS number
G10450
Product scope
semifinished products for forging, hot rolled and cold finished bars, wire rods, plates, strip, sheets, welded tubing and seamless tubing
Silicon, when required, is commonly specified as 0.10% max or a range such as 0.15 to 0.35%. 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 1, nonresulfurized carbon steels and its notes

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