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ASTM A283 steel plate production process

ASTM A283 steel plate production process

Posted:2016-11-30 17:15:37

 

ASTM A283 steel plate production process

 

ASTM A283 specification covers four grades of carbon steel plates of structural quality for general application. Steel samples shall be melt processed by either open-hearth, basic-oxygen, or electric furnace. Heat and product analysis shall be performed wherein steel materials shall conform to required chemical compositions of carbon, manganese, phosphorus, sulfur, silicon, and copper. Steel specimens shall also undergo tensile tests and shall conform to required values of tensile strength, yield point, and elongation.

A283 steel plate Chemical composition:

Smelting analysis,%

Elements

Grade A

GradeB

GradeC

GradeD

C≦

0.14

0.17

0.24

0.27

Mn≦

0.9

0.9

0.9

0.9

P≦

0.035

0.035

0.035

0.035

S≦

0.04

0.04

0.04

0.04

Si

       

a≦11/2in.[40mm]

0.4

0.4

0.4

0.4

a>11/2in.[40mm]

0.15-0.4

0.15-0.4

0.15-0.4

0.15-0.4

Cu≧%

0.2

0.2

0.2

0.2

ASTM A283 steel plate production process is for unwinding, flattening, scaling, testing, inspection, trimming, heat treatment, packaging, marking, shipment and quality certificate. Smelting method is open hearth, alkaline oxygen top blowing converter or electric furnace

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