ISO/TC 17/SC 10
| Projekta Nr. | ISO 9327-4:1999 |
|---|---|
| Nosaukums | <p><b>1.1 </b>This part of ISO 9327 applies to forgings and rolled or forged bars in thicknesses up to 250 mm manufactured</p> <p>from fine grain steels (see NOTE) given in Table 1 and to be delivered according to the specifications given in</p> <p>ISO 9327-1.</p> <p>The steels are classified into</p> <p> room temperature grades (P...),</p> <p> elevated temperature grades (PH...),</p> <p> low temperature grades (PL...),</p> <p> low and elevated temperature grades (PLH...).</p> <p>NOTE Fine grain steels are here understood as steels with grain size 6 or finer according to the grain size charts in</p> <p>ISO 643.</p> <p><b>1.2 </b>This part of ISO 9327 covers the following data:</p> <p>a) In Table 1 the limits for</p> <p> the chemical composition according to the cast analysis;</p> <p> the tensile properties at room temperature;</p> <p> the indications on the usual heat treatment condition at the time of delivery;</p> <p>b) in Table 2 the permissible product analysis tolerances on the limiting values given for the cast analysis;</p> <p>c) in Table 3 the minimum impact energy values;</p> <p>d) in Table 4 the minimum elevated temperature proof strength values.</p> |
| Reģistrācijas numurs (WIID) | 16997 |
| Darbības sfēra | <p><b>1.1 </b>This part of ISO 9327 applies to forgings and rolled or forged bars in thicknesses up to 250 mm manufactured</p> <p>from fine grain steels (see NOTE) given in Table 1 and to be delivered according to the specifications given in</p> <p>ISO 9327-1.</p> <p>The steels are classified into</p> <p> room temperature grades (P...),</p> <p> elevated temperature grades (PH...),</p> <p> low temperature grades (PL...),</p> <p> low and elevated temperature grades (PLH...).</p> <p>NOTE Fine grain steels are here understood as steels with grain size 6 or finer according to the grain size charts in</p> <p>ISO 643.</p> <p><b>1.2 </b>This part of ISO 9327 covers the following data:</p> <p>a) In Table 1 the limits for</p> <p> the chemical composition according to the cast analysis;</p> <p> the tensile properties at room temperature;</p> <p> the indications on the usual heat treatment condition at the time of delivery;</p> <p>b) in Table 2 the permissible product analysis tolerances on the limiting values given for the cast analysis;</p> <p>c) in Table 3 the minimum impact energy values;</p> <p>d) in Table 4 the minimum elevated temperature proof strength values.</p> |
| Statuss | Standarts spēkā |
| ICS grupa | 77.140.30 77.140.85 |