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Killed Carbon Steel is a process of deoxidation that is performed during the steel making process.Normally, ASME B&PV Code requires steels that have 0.24% or greater carbon contents to be killed (fully de-oxidized) using either Al or Si additions, and especially those steels that fall under a forging grade.

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16y ago
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15y ago

Yes, there is a difference between regular carbon steel and killed carbon steel. Killed carbon steel is a process of deoxidation. To make killed carbon steel Silicon or Aluminum is added to the melt. This removes oxygen generated during steel making in the furnace and makes the steel cleaner, without voids and refines the microstructure (fine grain) and thus improves the properties of the steel. In practice, when a carbon steel contains a residual content of 0.10 Silicon in the chemical composition, it is considered as a Killed carbon steel.Examples are ASTM specifications A 516 Gr. 60, 70 (Plates),; A 106 Gr. B, A 333 Gr. 6 (Pipe); A 105, A 350 Gr. LF2 (forgings) etc.

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13y ago

Killed steel is completely deoxidized steel. It is used in petrochemical industries , specially in sower conditions and presence of wet H2S also used to transport high pressure /low pressure Hydrogen gas

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14y ago

CARBON STEEL-Steel is classified as carbon steel when no

minimum content is specified or required for aluminum, boron,

chromium, cobalt, columbium, molybdenum, nickel, titanium,

tungsten, vanadium, or zirconium, or any other element added

to obtain a desired alloy effect; when the specified minimum

for copper does not exceed 0.4% or when the maximum content

specified for manganese does not exceed 1.65%; silicon

0.6%; copper 0.6%.

KILLED STEEL-Steel deoxidized with a strong deoxidizing agent

such as silicon or aluminum in order to reduce the oxygen

content to such a level that no reaction occurs between carbon

and oxygen during solidification of the molten steel in the

ingot. Killed steel products will produce a more chemically

uniform analysis from the bottom to the top of the ingot.

Killed steel is considered having less chemical segregation

than semi-killed or rimmed steel.

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12y ago

Killed carbon steel is used for applications requiring uniformity in grain structure.

Common applications include plates for Heat exchangers, pressure vessels and piping on low temperature service.

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12y ago

It is completely deoxidised steel by adding an agent to avoid formation of gas during solidification

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Q: Difference between Killed carbon steel and carbon steel?
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What is the cost difference between normal carbon steel and killed carbon steel?

Not much, avaliability is the same also. Our default has changed to killed carbon steel.


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Carbon Steel is much stronger metal.


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What is the difference between mild iron and mild steel?

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What is the difference between steel stainless steel and aluminum?

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