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DIN 1630 High Performance Seamless Circular Unalloyed Steel Tubes

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DIN 1630 High Performance Seamless Circular Unalloyed Steel Tubes

DIN 1630 High Performance Seamless Circular Unalloyed Steel Tubes

1. Field of application
This standard applies to seamless circular tubes and pipes(hereinafter briefly referred to as "tubes") made of unalloyed steels as listed in table 1. These tubes are predominantly used in the construction of chemical plant, vessels, pipework and for general mechanical engineering purposes. They are designed to meet high performance requirements. Normally there are no limiting values or the maximum permissible working pressure of these tubes. The permission working temperature shall not exceed 300℃ are specified in Appendix A.

2. Steel Grade Symbol
Symbol (Material Number)
St 37.0 (1.0254)
St 44.0 (1.0255)
St 52.0 (1.0421)

3. The Chemical Composition and Mechanical Properties in details, please check DIN 1630.
4. The tolerance on dimension in details, please check DIN 1630.

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