ASTM A213 T21 is the part of ASTM A213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes.
ASTM A213 T21 Grades conta…
In order to improve its mechanical properties, steel is alloyed with a variety of elements in total amounts of 1.0% to 50% by weight to produce alloy steel. Alloy Steel, in addition to carbon, also …
· Our Diameter: 4 1/2" ~ 20" (114.3 mm ~ 508mm).
· Wall Thickness : as per API 5CT standard ( the latest edition )
·…
The implemental standards for the oil casings are API 5CT; the specifications include from 60.3 to 508mm; the steel grades include J55, K55, N80, L-80, P-110, C-90, C - 95, T-95 and so on; the merch…
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