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SAE J404 5120 / SAE 5120 Steel - Specifications & Listings

SAE J404 5120: American case hardening chrome steel per AISI standard. Close equivalent to 20MnCr5/EN10084 but with lower Mn (0.70-0.90%) and Cr (0.70-0.90%). Good case hardening response.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeSAE J404 5120 / SAE 5120
StandardSAE J404
DescriptionAmerican case hardening chrome steel per AISI standard. Close equivalent to 20MnCr5/EN10084 but with lower Mn (0.70-0.90%) and Cr (0.70-0.90%). Good case hardening response.
ApplicationsCase hardened gears, pins, shafts, cams
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
20MnCr5 DIN Germany 11 listings, 11 RFQs →
16MnCr5 DIN Germany 11 listings, 6 RFQs →
SCr420 JIS Japan 2 listings, 0 RFQs →
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Demand, no supply
Chemical Composition (%)
C Mn Cr Si
0.17–0.22 0.70–0.90 0.70–0.90 0.15–0.35
Mechanical Properties
condition Carburized & Case Hardened
Tensile Strength 750–950 MPa
Case Hardness HRC 58–62
Core Hardness HB 207–269
Typical Available Sizes
Round Bar 16mm–200mm dia
Flat Bar 20×8mm–150×40mm
Sizes are indicative. Contact seller for exact availability.

Active SAE J404 5120 / SAE 5120 Listings on M-EX (For Sale)

No active SAE J404 5120 / SAE 5120 listings at this time.

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Buyer RFQs for SAE J404 5120 / SAE 5120

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SAE J404 5120 / SAE 5120 Round Bar
3.100 MT
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SAE J404 5120 / SAE 5120 Round Bar
1.300 MT
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