SAE 1055 Steel Grades

SAE 1055 Steel Grades

SAE1055 carbon structural steel

Chemical composition:

Carbon C: 0.52 ~ 0.60

Silicon Si: 0.17 ~ 0.37

Manganese Mn: 0.60 ~ 0.90

Sulfur S: ≤0.035

P: ≤0.035

Chromium Cr: ≤0.25

Nickel Ni: ≤0.25

Copper Cu: ≤0.25

Mechanical properties:

Tensile strength σb (MPa) : ≥630(64)

Yield strength σs (MPa) : ≥375(38)

Elongation δ5 (%) : ≥14

Section shrinkage ratio ψ (%) : ≥40

Impact power Akv (J) : ≥31(4)

Impact toughness value αkv (J/cm2) : ≥39(4)

Hardness: no heat treatment, ≤241HB; Annealing steel, ≤207HB

Sample size: 25mm

Heat treatment specification and metallographic structure:

Heat treatment specification: normalizing,830℃; Quenching,830℃; Temper,600℃.

Metallographic structure: pearlite + ferrite.

Application fields

Product Display

1:glossy Uniform ,surface thickness, good finish, stable performance.

2:Smooth edge,The surface of the steel strip is smooth and the edge is smooth to avoid scratching the packaging when packing.

3:High strength and long life,Strong material, not easy to corrode, high hardness, long service life.

4:Specifications are easy to process,Steel strip is a kind of steel with large output, wide use and many kinds.

Packing:

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