Post Stock Login Register

BS 970 EN32M vs SAE J403 1117

Close Alternative — 82.2% match based on chemical composition and mechanical property overlap.

BS 970 EN32M (BS 970:1955) and SAE J403 1117 (SAE J403:2001) are both steel grades. Both fall under the Free Machining Steel category. BS 970 EN32M is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars., while SAE J403 1117 is commonly used for chemistry-only grade; product scope as listed in the composition notes. BS 970 EN32M is defined under British Standards (BS), originating from United Kingdom, while SAE J403 1117 is defined under SAE International, originating from United States.

As per chemical composition, BS 970 EN32M vs SAE J403 1117 is a 82.2% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 82.2%.

Frequently Compared With BS 970 EN32M:
IS 1570 (Part 3) 10C8S10 IS 4432 10C8S10 SAE J403 1117 SAE J403 1118 SAE J403 1118 SAE J403 1118 SAE J403 1126 SAE J403 1126 SAE J403 1126 SAE J403 1132 SAE J403 1117 SAE J403 1132
Match Breakdown
CHEMISTRY MATCH
82.2%
MECHANICAL MATCH
No shared data
OVERALL
82.2%
Specifications
Property BS 970 EN32M SAE J403 1117
Standard BS 970:1955 SAE J403:2001
Category Free Machining Steel Free Machining Steel
C (%) 0.10-0.18 0.14-0.20
Si (%) 0.05-0.35 Not specified
Mn (%) 0.90-1.20 1.00-1.30
S (%) 0.10-0.15 0.08-0.13
P (%) <=0.050 <=0.030
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 EN32M SAE J403 1117
Tensile Strength ≥494 MPa (32 tons/sq in, converted) Not specified
Elongation ≥20% Not specified
Condition Core, after heat treatment (lowest-strength condition of the standard) Not specified
Typical Applications
BS 970 EN32M
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars.
SAE J403 1117
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
Can BS 970 EN32M Be Substituted With SAE J403 1117?
BS 970 EN32M and SAE J403 1117 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
On M-EX Right Now
BS 970 EN32M
0 active listings and RFQs →
SAE J403 1117
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN32M and SAE J403 1117?
BS 970 EN32M specifies Si which is not specified for SAE J403 1117.
Can BS 970 EN32M be substituted with SAE J403 1117?
BS 970 EN32M and SAE J403 1117 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.