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4130 alloy steel

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4130 alloy steel

4130 alloy steel Chemical composition:

Carbon C: 0.28 ~ 0.33

Silicon Si: 0.15 ~ 0.35

Manganese Mn: 0.40 ~ 0.60

Sulfur S: Allowable residual content ≤0.040

P: Allowable residual content ≤0.035

Chromium: 0.80 ~ 1.10

Nickel Ni: Allowable residual content ≤0.030

Copper Cu: Allowable residual content ≤0.030

Molybdenum Mo: 0.15 ~ 0.25

Mechanical properties:

Tensile strength σb (MPa) : ≥930(95)

Yield strength σs (MPa) : ≥785(80)

Elongation δ5 (%) : ≥12

Section shrinkage (%) : ≥50

Impact power Akv (J) : ≥63

Impact toughness value αkv (J/cm2) : ≥78(8)

Hardness: ≤229HB

Specimen size: specimen blank size is 25mm

Heat treatment specifications and metallographic structure:

Heat treatment specification: quenching 880℃, water-cooled, oil-cooled; Temper 540℃, water cooling, oil cooling.

4130 alloy steel

Delivery of ASTM4130:

According to different delivery status, specifications, sizes, rolling methods, origin, etc. :

ASTM4130 plate can be called ASTM4130 plate, ASTM4130 plate, ASTM4130 coil plate, ASTM4130 open plate, ASTM4130 strip, ASTM4130 cold rolled plate, ASTM4130 hot rolled plate, ASTM4130 sheet, ASTM4130 medium plate, ASTM41 30 thick plate, ASTM4130 special thick plate, etc.

ASTM4130 bar can be called ASTM4130 round, ASTM4130 round, ASTM4130 disc round, ASTM4130 wire, ASTM4130 wire, ASTM4130 forging round, ASTM4130 round bar, ASTM4130 black bar, ASTM4130 wool round, ASTM4130 Light circle, ASTM4130 car light circle, ASTM4130 hot rolled circle, ASTM4130 rolled circle, ASTM4130 cold drawn circle, etc.

ASTM4130 pipe can be called ASTM4130 pipe, ASTM4130 pipe, ASTM4130 seamless pipe, ASTM4130 seamless pipe, ASTM4130 welded pipe, ASTM4130 welded pipe, ASTM4130 precision pipe, ASTM4130 precision pipe, ASTM4130 capillary tube, etc.

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