SAE 1040 Steel - Specifications, Equivalents & Listings

Forms: Round Bar Category: Carbon Steel

Grade Details

Grade	SAE J403 1040 / SAE 1040
Standard	SAE J403
Description	Medium carbon steel, widely used in machined parts
Applications	Shafts, gears, bolts, couplings, crankshafts

Equivalent / Similar Grades

Grade	Standard	Region	Live on M-EX
C40	IS 1875	Germany	12 listings, 12 RFQs →
EN8	BS970	UK	27 listings, 23 RFQs →
S40C	JIS	Japan	3 listings, 0 RFQs →
IS1875 C40	IS 1875	India	12 listings, 12 RFQs →

Market Snapshot

7D Offer Price

▲ +0.2%

15D Offer Price

▲ +0.2%

30D Offer Price

▲ +0.3%

Round Bar →

Balanced

Chemical Composition (%)

C	Mn	S	P
0.37–0.44	0.60–0.90	≤0.050	≤0.030

Mechanical Properties

Typical Available Sizes

Sizes are indicative. Contact seller for exact availability.

Processing:

Active SAE J403 1040 / SAE 1040 Listings on M-EX (For Sale)

SAE J403 1040 / SAE 1040 Round Bar

4.700 MT

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SAE J403 1040 / SAE 1040 Round Bar

5.400 MT

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SAE J403 1040 / SAE 1040 Round Bar

3.300 MT

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No open buyer requirements for SAE J403 1040 / SAE 1040 at this time.