ASTM A213 T11 Seamless alloy pipe, A213 Gr. T11 Tubes
The ASME SA-213/ ASTM A213 Grade T11 seamless tubes, with the nominal composition of 1.25Cr-0.5Mo-Si, are widely used for the construction of boilers, superheaters, and heat exchangers. ... B It is permissible to order T2 and T12 with a sulfur content of 0.045 max. See 16.3. C Alternatively, in lieu of this ratio minimum, the material shall ...