A204Gr.B Pressure Vessel Molybdenum Alloy Plates
Specification of ASTM A204/A204M standard:
ASTM A204/A204M covers molybdenum alloy steel plates, intended particularly for welded boilers and other pressure vessels. ASTM A204/A204M are available in three grades having different strength levels: Grade A; Grade B; and Grade C.
Specification of ASTM A204 Gr.B steel plates:
ASTM A204 Gr.B is a kind of Mo-alloy steel material used to fabric high temperature pressure vessels.
Chemical Components of A204 Grade B steel (Max., %):
Mechanical Properties of A204 Grade B steel (Min):
8 in (200mm)
2 in (50mm)
Delivery Condition of ASTM A204 Gr.B steel plates:
The A204Gr.B steel plates shall be killed.
ASTM A294Gr.B plates≤1-1 ⁄ 2in. [40mm] in the as-rolled, normalized, normalized and tempered, or stress relieved. ASTM A294Grade B plates>1-1 ⁄ 2in. [40mm] in normalized or normalized and tempered.
The steel plates ASTM A294Gr.B can be ordered at following Supplementary Technology such as
* HIC Test,
* NACE MR0175,
--S3 Simulated Post-Weld Heat Treatment of Mechanical Test Coupons,
-- S5 Charpy V-Notch Impact Test,
--S8. Ultrasonic Examination in accordance with Specification A435/A435M,
--S11. Ultrasonic Examination in accordance with Specification A577/A577M,
--S12. Ultrasonic Examination in accordance with Specification A578/A578M
Application of ASTM A204Gr.B steel plates:
Widely Used In The Fabrication Of Boilers And Pressure Vessels,Such As Petroleum, Chemical,Gas Industry And Power Plants