GB/T 39754-2021 Translated English of Chinese Standard. (GBT 39754-2021, GB/T39754-2021, GBT39754-2021): Hot dip coating steel sheet and strip for corrugated pipehttps://www.chinesestandard.net, 04.04.2021 - 15 Seiten This Standard specifies terms and definitions, classification and codes, dimensions, appearance, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificates for hot dip coating steel sheet and strip for corrugated pipe. This Standard is applicable to the hot dip coating steel sheet and strip, with a thickness of 0.7mm~10mm, for corrugated steel structure that is used in the production of pipe networks, culverts, underground water storage tanks, pedestrian walkways, underpasses for automobiles, public pipe corridors and special-shaped structures installed on site. |
Inhalt
| 3 | |
Scope | 4 |
Terms and definitions | 6 |
Classification and codes | 7 |
Order content | 8 |
Dimensions appearance and weight | 9 |
Test methods | 13 |
Inspection rules | 14 |
Packaging marks and quality certificate | 15 |
Häufige Begriffe und Wortgruppen
allowable deviation base steel melting base steel thickness batch Bend test black rust chemical composition Chromic acid passivation chromium passivation treatment coating is expressed coating steel sheet Coating surface treatment coating type code cold-rolled corrugated steel pipe dip coating steel friction marks helical corrugated steel hot dip coating hot-dip induction furnace less than 50mm Low-alloy steel Mechanical properties meet the requirements method after combustion minimum tensile strength nominal coating weight obtained by immersing passivation film product during transportation recommended usage reduce the black requirements of Table salt spray test sample position sheet and strip sheet or strip silicon content Standard Steel and Alloy Steel and iron steel grade code strip for corrugated strip or steel strip shall meet Sulfur supplier surface coating weight surface quality Surface treatment method surface treatment type Tensile test terms and definitions test methods thickness of 50g/m2 transportation and storage trivalent chromium passivation type and code usage code