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1. Implementation standard of alloy precision seamless steel pipe? The implementation standard of alloy precision seamless steel pipe varies with different materials and manufacturing processes. Generally speaking, the manufacture of alloy precision seamless steel pipe needs to follow the following standards:
(1)GB/T 3639-20 18 cold-drawn or cold-rolled precision seamless steel pipe
This standard specifies the size, shape, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of precision seamless steel pipes cold-drawn or cold-rolled. This standard is applicable to the manufacture of cold-drawn or cold-rolled precision seamless steel pipes used in mechanical parts, hydraulic systems and other fields.
(2)YB/T 4440-20 17 continuous casting round tube blank.
This standard specifies the requirements for the size, shape, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of continuous casting round tube blanks. This standard is applicable to the continuous casting round tube blank for manufacturing alloy precision seamless steel tube.
(3)ASTM A536-20 19 Precision seamless steel tubes made of alloy steel and stainless steel for high temperature.
This standard specifies the chemical composition, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of alloy steel and stainless steel precision seamless steel pipes for high temperature. This standard is applicable to the manufacture of alloy precision seamless steel pipe used in high temperature environment.
2.？ What is the implementation standard of hydraulic precision seamless steel pipe? Hydraulic precision seamless steel pipe is a precision steel pipe specially used for hydraulic system, and its implementation standards mainly include the following contents:
(1) GB/t 8713-2016 precision seamless steel pipe for hydraulic transmission.
This standard specifies the size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate requirements of precision seamless steel pipes for hydraulic transmission. This standard is applicable to the manufacture of precision seamless steel pipes for hydraulic systems.
(2)ISO 6892-20 16 tensile test method for metal materials at room temperature.
This standard specifies the method of room temperature tensile test of metallic materials, including the requirements of sample shape and size, test equipment, test conditions, test procedures, result processing and test report. Hydraulic precision seamless steel pipe needs to be subjected to tensile test according to this standard to verify whether its mechanical properties meet the requirements.
(3)ISO 900 1-20 15 quality management system requirements
This standard specifies the requirements of quality management system, including organizational environment, leadership, planning, implementation and operation, monitoring and measurement, analysis and improvement process. Hydraulic precision seamless steel pipe manufacturers need to establish a quality management system according to this standard to ensure the quality control of the production process. ? The implementation standards of alloy precision seamless steel tube and hydraulic precision seamless steel tube are different due to different materials and manufacturing processes, but they all need to follow relevant national and international standards to ensure the quality and reliability of products. At the same time, production enterprises also need to establish a sound quality management system to ensure the quality control of the production process and the quality assurance of products.