API TR 938-B

API TR 938-B – Use of 9CR-1Mo-V (Grade 91) Steel in the Oil Refining Industry, First Edition

This report provides guidelines on the proper specifications for base metal and welding consumables and successful fabrication, including welding and heat treatment requirements for use of 9Cr-1Mo-V alloy steel in the oil refinery services. This includes guidelines for preheat, postweld heat treatment, procedure qualification, and mechanical and nondestructive testing.

This document also defines hardness limits for the base material and welds in order to avoid cracking failures due to wet sulfide stress corrosion cracking or due to other possible failure mechanisms.A discussion of both proper and improper refinery service applications for these steels is also provided.

Product Details

Edition:

1st

Published:

06/01/2008

Number of Pages:

40

File Size:

1 file , 1.4 MB

Product Code(s):

C938B01, C938B01, C938B01

Note:

This product is unavailable in Russia, Cuba, Syria, North Korea, Ukraine, Belarus, Iran