1. Gas cylinders. Design, construction and testing of refillable seamless steel gas cylinders and tubes. Stainless steel cylinders with an R m value of less than 1 100 MPa Part 4, (1st March 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (64 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗