Posted on August 22, 2019August 24, 2019 by Pulse AssentISO 9809-1:2019 Gas cylinders. Design, construction and testing of refillable seamless steel gas cylinders and tubes Quenched and tempered steel cylinders and tubes with tensile strength less than 1 100 MPa Link: ISO 9809-1:2019 Gas cylinders. Design, construction and testing of refillable seamless steel gas cylinders and tubes Quenched and tempered steel cylinders and tubes with tensile strength less than 1 100 MPa Source: BSI Standards Related Posts:UK consults on new approach to US tariffs£170 million finance deal boosts British…UK confirms pledge for zero-emission HGVs by 2040…Twice weekly rapid testing to be available to…Global agreement in green tech will open doors for UK PLC