This standard specifies the order content, classification code, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of high-pressure seamless steel pipes for diesel engines. This standard applies to cold-drawn seamless steel pipes for the manufacture of high-pressure fuel pipes for diesel engine injection systems.
GB/T 3093-2002 history
2021GB/T 3093-2021 High-pressure seamless steel tubes for diesel engine
2002GB/T 3093-2002 High-pressure seamless steel tubes for diesel engine