GB/T 3078-2019: Translated English of Chinese Standard. (GBT 3078-2019, GB/T3078-2019, GBT3078-2019): Quality structural steel cold drawn barsThis Standard specifies the classification, ordering content, size, shape and allowable deviation, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of structural steel cold drawing and cold drawing polish steels. |
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Съдържание
3 | |
Scope | 4 |
Terms and definitions | 5 |
Classification | 6 |
Size shape and allowable deviation | 7 |
Test method | 12 |
Inspection rules | 14 |
Packaging marking and quality certificate | 15 |
Често срещани думи и фрази
allowable deviation alloy structural steel Annealing applies batch 1 pc batch Different steels Bright buyer carbon structural steel Chapter chemical composition cold drawing polish contract cracks Decarburization layer delivered depth designation Determination Different steels GB/T document drawing polish round electroslag exceed forging test Fracture grain greater Group half hardenability heat treatment hexagonal steel hot forging indicated Inspection and acceptance Inspection item Iron less macrostructure marks mechanical properties meet the requirements Metallic materials Modify Negotiated non-metallic inclusions normalizing parties perform according polish round steel processing provisions of GB/T quality carbon structural replace requirements of Table roll rules sampling quantity shape and allowable specific requirements specified square steel steel and hexagonal steel cold drawing steel for cutting steel for hot-press steel products steel shall comply structural steel cold supplier Surface quality Surface roughness technical Tensile strength Terms and definitions Test method testing GB/T tolerance weight