General Requirements for Delivery
ASTM A283 plates shall comply with A6/A6M, coils are exlcuded from this specification until they are cutted to finished plates.
Keywords
Carbon Steel; Plates, Coils; Structal Quality.
Supplementary Requirements under A283
These are not applied unless agreed by the buyer and seller, which listed in Specfication of A6/A6M.
S2. Product Analysis
S3. Simulated Post-Weld Heat Treatment of Mechanical Test Coupons.
S5. Charpy V-Notch Impact Test
S6. Drop Weight Test (For thickness equal and above 16mm [0.625in])
S8. Ultrasonic Examination.
S15. Reduction of Area.
Mechanical Properties
Table 2:
|
|
Grade C |
Grade D |
|---|---|---|
|
Tensile strength, ksi [MPa] |
55-75 |
60-80 [415-550] |
|
Yield point, min, ksi [Mpa] |
30 |
33 [230] |
|
Elongation in 8 in. [200 mm], min, %B |
22 |
20 |
|
Elogination in 2 in. [50mm], min, %B |
25 |
23 |
B: For plates wider than 24 in. [600 mm], the elgonation requirement is reduced 2%.
Manufacturing Process of ASTM A283 Grade C & D Plate
The steel shall be killed and made by one or more of the following processes:
Open-hearth
Basic-oxygen
Electric furnace
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