GB 13014-91 钢筋混凝土用余热处理钢筋 英文版
1 Subject Content and Application scope
1.1 Subject content
This national standard specifies the code name, dimension, shape, weight, specifications, testing method, test rules, packaging, and quality certificate of remained heat treatment ribbed steel bars for the reinforcement of concrete.
1.2 Application scope
This national standard is applicable to the remained heat treatment ribbed steel bars for the reinforcement of concrete.
This national standard is inapplicable to the secondary steel bar re-rolled by final steel product.
2 Reference Standards
GB 222 Method of Sampling Steel for Determination of Chemical Composition and Permissible Variations for Product Analysis
GB 223 Methods for Chemical Analysis of Iron, Steel and Alloy
GB 228 Metal Tensile Test
GB 232 Test Method of Bend of Metal
GB 1499 Hot Rolled Ribbed Steel Bars for The Reinforcement of Concrete
GB 2101 General Rule of Acceptance, Package, Mark and Certification for Profile Steel
3 Terms, Grades, and Code Names
3.1.1 Remained heat treatment of ribbed steel bars
It indicates applying water cooling process to the steel bar surface after hot rolling of it, then forging the final steel product through tempering treatment with core remained heat.