SUM21L Steel — Specifications & Listings

JIS G4804 — Japanese leaded free cutting steel, low carbon

Category: Free Machining Steel
Grade Details
GradeSUM21L
StandardJIS G4804
DescriptionJapanese leaded free cutting steel, low carbon
ApplicationsSmall precision turned parts
Equivalent / Similar Grades
Grade Standard Region
9SMnPb28 DIN Germany
SAE12L15 SAE USA
Chemical Composition (%)
C Mn S Pb
≤0.09 0.75–1.05 0.26–0.35 0.10–0.35
Mechanical Properties
Tensile Strength 380–490 MPa
Typical Available Sizes
Round Bar 6mm–50mm dia
Sizes are indicative. Contact seller for exact availability.

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