Post Stock Login Register

AISI 5140 Steel: Specifications & Listings

AISI 5140: AISI 5140 is a chromium alloy steel with good toughness and wear resistance. It can be heat treated for improved hardness and strength.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeAISI 5140
Standard AISI
ApplicationsUsed for gears, shafts, spindles, bolts, machinery parts, and automotive components.
Most Active InWest (Maharashtra)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
SAE J404 5140 SAE J404:2009 USA 2 listings, 0 RFQs →
SAE J404 5150 SAE J404:2009 USA No activity yet
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Low Activity
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
SAE J404 5140 SAE J404:2009 Strong Match
SAE J404 5140 SAE J404:2000 Strong Match
SAE J404 5150 SAE J404:2009 Strong Match
SAE J404 5150 SAE J404:2000 Strong Match
SAE J404 5130 SAE J404:2009 Close Alternative
SAE J404 5130 SAE J404:2000 Close Alternative
BS 970 (Part 3) 530M40 BS 970 (Part 3):1991 Close Alternative
SAE J404 5132 SAE J404:2009 Close Alternative
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Mn Si Cr P S
0.38-0.43 0.70-0.90 0.15-0.35 0.70-0.90 0.035 max 0.040 max
Mechanical Properties
Condition Quenched & Tempered
Tensile Strength 850-1000 MPa
Yield Strength 650-800 MPa
Elongation 12-18%
Hardness 240-300 HB

Popular forms for this grade:

Round Bar (2)

Active AISI 5140 Listings on M-EX (For Sale)

+ Create a Listing for this grade
AISI 5140 Round Bar
3.800 MT
View Listing
AISI 5140 Round Bar
4.000 MT
View Listing

Buyer RFQs for AISI 5140

+ Post an RFQ for this grade

No open buyer requirements for AISI 5140 at this time.

Register for Alerts