Hot Rolled Steel Narrow Width Strip for Welded tubes and Pipes

1. Scope:

The standard defines the scope and purpose of the specification, which is to establish requirements for hot-rolled steel narrow width strips for use in welded tubes and pipes.

2. Materials and Composition:

Specifications for the materials used in the manufacture of these strips, ensuring they meet the necessary quality and characteristics. This includes details about the chemical composition of the steel.

3. Dimensions and Tolerances:

Guidelines for the dimensions and tolerances of the strips, including specifications for width, thickness, and other relevant dimensions.

4. Mechanical Properties:

Requirements for the mechanical properties of the strips, such as tensile strength, yield strength, elongation, and hardness, to ensure they meet the necessary standards for the production of welded tubes and pipes.

5. Testing and Inspection:

Procedures for testing and inspecting the strips to verify their compliance with the standard. This may include tests for mechanical properties, dimensional accuracy, and quality control measures.

Preparation of specimen

Dimensions and Tolerances

Tensile Test

Bend Test

C,S,P,Mn,Si,Al elements content

N content

Preparation of specimen

Freedom from defects