This standard specifies the order contents, the dimension, shape, weight as well as their permissible deviations, the technical requirements, test methods, inspection rules, and the packaging, marking and certification of hot rolled I-steel, hot rolled U-steel, hot rolled equal angle steel and hot rolled unequal angle steel.
This standard is applicable to hot rolled equal angle steel and hot rolled unequal angle steel as well as hot rolled I-steel and hot rolled U-steel with inclination on inner side at the leg part (hereinafter referred to as "section steel").
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated reference, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 228.1 Metallic Materials - Tensile Testing - Part 1: Method of Test at Room Temperature
GB/T 229 Metallic Materials - Charpy Pendulum Impact Test Method
GB/T 232 Metallic Materials - Bend Test
GB/T 700 Carbon Structural Steels
GB/T 1591 High Strength Low Alloy Structural Steels
GB/T 2101 General Requirement of Acceptance Packaging, Marking and Certification for Section Steel
GB/T 2975 Steel and Steel Products - Location and Preparation of Test Pieces for Mechanical Testing
YB/T 4427 General Requirements for Surface Condition of Hot-rolled Sections
3 Order Contents
The order contracts concluded in accordance with this standard shall include the following technical contents:
a) Product name;
b) Serial number of standard;
c) Designation;
d) Model and specification;
e) Delivery length;
f) Weight and quantity;
g) Other special requirements proposed by the purchaser.