ISO 9809-1:2019 pdf download – Gas cylinders – Design, construction and testing of refillable seamless steel gas cylinders and tubes一 Part 1: Quenched and tempered steel cylinders and tubes with tensile strength less than 1 100 MPa
ISO 9809-1:2019 pdf download – Gas cylinders – Design, construction and testing of refillable seamless steel gas cylinders and tubes一 Part 1: Quenched and tempered steel cylinders and tubes with tensile strength less than 1 100 MPa. NOTE When the...