Thick-walled steel pipe knowledge: Application of 16Mn thick-walled seamless steel pipe 16Mn thick-walled seamless steel pipe 16Mn thick-walled seamless steel pipe and ordinary steel pipes are applicable to the place 1, the seamless steel pipe for fluids: GB8163-99
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2. Seamless steel tubes for boilers: GB3087-1999
3, boiler high pressure seamless pipe: GB5310-95 (ST45.8-iii type)
4. High pressure seamless steel pipe for chemical fertilizer equipment: GB6479-1999
5. Geological drilling seamless steel pipe: YB235-70
6. Petroleum drilling seamless steel pipe: YB528-65
7. Seamless Steel Pipe for Petroleum Cracking: GB9948-88
8, oil drilling special seamless tube: YB691-70
9. Seamless steel tubes for automobile half shaft: GB3088-1999
10. Seamless steel tubes for ships: GB5312-1999
11, cold-drawn cold-rolled precision seamless steel tubes: GB3639-1999
Various alloy pipes 16Mn, 27SiMn, 15CrMo, 35CrMo, 12CrMov, 20G, 40Cr, 12Cr1MoV, 15CrMo steel pipes are divided into two types of seamless steel pipes and welded steel pipes according to different production processes. Seamless steel tubes are seamless steel tubes made from steel ingots, tube blanks or steel bars.
The chemical composition of the seamless steel pipe The chemical composition of the steel is one of the important factors that affect the quality and end-use performance of the steel. It is also the main basis for the preparation of the heat treatment system for steel products and even the final product. Therefore, in the technical requirements section of the steel standard, it is an important basis for acceptance of the chemical composition of steel and steel by production companies and customers.
1 Steel smelting components The chemical components specified in the general standard refer to smelting components. It refers to the chemical composition of the finished steel smelting and mid-pouring. In order to make it representative, analysis according to the specified standard method (GB/T223), the results must comply with the scope of the standard chemical composition, is also the basis for customer acceptance.
2 Finished product components The finished product component is also called the verification analysis component. It is a chemical component derived from the finished steel product that has been drilled or shaved in accordance with the specified method (GB/T222) and analyzed according to the specified standard method (GB/T223). In the crystallization and subsequent plastic deformation of steel, due to the uneven distribution of alloying elements in the steel (segregation)
The final composition of steel products is mainly used by the use department or quality inspection department to inspect the quality of steel products. Production enterprises generally do not perform finished product analysis (except for user requirements), but it should ensure that the analysis of finished products meets the standards.
3 Arbitration Analysis Because the results of the analysis of the same sample by the two laboratories are significantly different and exceed the allowable analysis error of the two laboratories, or the analysis of the finished product of the same sample or the same batch of steel by the production company and the use department, the acquirer and the supplier, In the event of disagreement, re-analysis may be conducted by an authoritative entity with rich analytical experience from a third party, which is called arbitration analysis. The results of the arbitration analysis are the basis for the final decision.
16Mn thick wall seamless steel pipe weight formula: [(outer diameter - wall thickness) * wall thickness] * 0.02466 = kg / m (weight per meter)
Thick-walled steel pipe knowledge: 16Mn thick-walled seamless steel pipe
The above information is provided by Kunlian Liancheng Steel Pipe in Shandong Province. The true and false are self-identifying. Our factory is not responsible for it. For more information, please visit: