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Chinese National Standard Category: Fastener |
English Title: | Specifications of high strength bolts with large hexagon head, large hexagon nuts,plain washers for steel structures |
Chinese Title: | 钢结构用高强度大六角头螺栓,大六角螺母,垫圈技术条件 |
Standard No.: | GB/T 1231-1991 |
Category No.: | J13 |
Issued by: | CSBTS |
Issued on: | 1991-04-22 |
Implemented on: | 1992-1-1 |
Status: | superseded |
Superseded by: | GB/T 1231-2006 Specifications of High Strength Bolts with Large Hexagon Head, Lar GB 1231-2006 |
Superseded on: | 2006-11-1 |
Abolished on: | 2006-11-01 |
Superseding: | GB 1231-1984 |
Word Count: | 4000 words |
Similar Standards: | GB 109-1986 T/CI 150-2023 GB/T 929-1988 GB 873-1986 GB/T 80-2000 DB32/T 4275-2022 GB/T 943-1988 GB/T 1007-1976 GB 872-1986 GB/T 79-2000 GB/T 43232-2023 GB/T 43151-2023 GB/T 5267.1-2023 GB/T 16824.1-2023 GB/T 15856.5-2023 GB/T 90.1-2023 GB/T 16674.3-2023 GB/T 3098.15-2023 GB/T 70.3-2023 GB/T 3098.6-2023 |
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