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A333 and A334

A333 and A334

A333 and A334

(OP)
All,

A333 and A334 are selected as material for LTCS item (-40 degree C).

However, CLIENT request KCS.

In accordance with ASTM specification for A333 and A334, these material is not specified as KCS.
exactly, it is not specified this is KCS or not.

Are A333 and A334 the KCS?
Please let me know the reference if these are KCS.

thanks,

Xeros

RE: A333 and A334

A-333 covers many grades, Grade 6 and 10 are carbon steels and are fully silicon killed. Grade 1 is not required to be fully killed. The other grades are not considered carbon steels.

The same can be said for A-334; Grade 1 may not be fully silicon killed, Grade 6 is.

RE: A333 and A334

Xeros;
If you review the chemical composition requirements for both ASTM Specifications, KCS grades are those carbon steels that contain a specified silicon content range (usually above 0.10% mass percent) for deoxidation.

RE: A333 and A334

(OP)
thanks all,

we generally know that A333 gr.6 and A334 gr.6 are KCS.
However, it is difficult for verification because it is not specified in ASTM or ASME specification.

For example, A516 is specified as killed CS in ASTM or ASME specification.

therefore, i want to know the reference that A333 and A334 (Gr.6) is KCS.

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