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Overview

HOT ROLLED SQUARE STEEL

Is refers to steel that is rolled or processed into a square cross-section. Square steel can be divided into hot-rolled and cold-rolled; the side length of hot-rolled square steel is 5-250mm, and the side length of cold-drawn square steel is 3-100mm.

Steel rolled or processed into a square cross-section

The density of steel is: 7.851g/cm3

Calculation of theoretical weight of steel

The unit of measurement for theoretical weight calculation of steel is kilogram (kg). The basic formula is:

W (weight, kg) = F (cross-sectional area mm2) × L (length, m) × ρ (density, g/cm3) × 1/1000

Square steel can be divided into hot-rolled and cold-rolled; the side length of hot-rolled square steel is 5-250mm, and the side length of cold-drawn square steel is 3-100mm.

 

PRODUCT USE

‌Hot-rolled square steel is widely used in many fields, mainly including construction engineering, machinery manufacturing, automobiles, ships, railways, bridges, electricity, etc.


Diameter d (or side length a)/mmAccuracy  tolerance/mmTheoretical weight of   round steel (kg/m)Square steel theoretical weight (kg/m)
1 group2   group3   group
5.5±0.20±0.30±0.400.1860.237
6±0.20±0.30±0.400.2220.283
6.5±0.20±0.30±0.400.260.332
7±0.20±0.30±0.400.3020.385
8±0.25±0.35±0.400.3950.502
9±0.25±0.35±0.400.4990.636
10±0.25±0.35±0.400.6170.785
11±0.25±0.35±0.400.7460.85
12±0.25±0.35±0.400.8881.13
13±0.25±0.35±0.401.041.33
14±0.25±0.35±0.401.211.54
15±0.25±0.35±0.401.391.77
16±0.25±0.35±0.401.582.01
17±0.25±0.35±0.401.782.27
18±0.25±0.35±0.4022.54
19±0.25±0.35±0.402.232.83
20±0.25±0.35±0.402.473.14
21±0.30±0.40±0.502.723.46
22±0.30±0.40±0.502.983.8
23±0.30±0.40±0.503.264.15
24±0.30±0.40±0.503.554.52
25±0.30±0.40±0.503.854.91
26±0.30±0.40±0.504.175.31
27±0.30±0.40±0.504.495.72
28±0.30±0.40±0.504.836.15
29±0.30±0.40±0.505.186.6
30±0.30±0.40±0.505.557.06



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Company Introduction

Shandong Linhai International Trade Co., Ltd. is a professional supplier of steel and metal raw materials. Its main products include carbon steel, copper, stainless steel, profiles, and rare materials, which are used in construction, home appliances, aerospace, and other fields. The company is committed to providing the most reliable and satisfactory products to customers worldwide.

Leveraging its strong supply chain network, solid expertise, and reliable service, Linhai International Trade Co., Ltd. has become a leading steel supplier for numerous clients in countries and regions including the Middle East, South America, and Southeast Asia.

Adhering to the principle of "product quality is the foundation of survival, and service quality is the bridge to success," the company provides customers with high-quality service and satisfactory products, always prioritizing customer needs.

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