This standard specifies the size, shape, technical requirements, test methods, acceptance rules, Encasement mark and mass certificate of heat-resistant steel bars (including round steel, square steel, flat steel and hexagonal steel). It is suitable for hot-rolled and forged steel bars with a diameter of not more than 250 mm or cold-worked steel bars with a diameter of not more than 120 mm.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | H40 | ICS | 77.140.20 |
| Release Date | 2007-05-14 00:00:00 | Implementation Date | 2007-12-01 00:00:00 |