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Overview

HOT ROLLED ROUND STEEL

Hot-rolled round steel is a round solid long steel produced by hot rolling process. It has good hardenability, high hardness and good wear resistance. It belongs to construction steel. The specifications of hot-rolled round steel are 5.5-250 mm. Among them, the small round steel of 5.5-25 mm is mostly supplied in bundles of straight bars, which are often used as steel bars, bolts and various mechanical parts: hot-rolled round steel larger than 25 mm is mainly used to manufacture mechanical parts or seamless steel pipe billets.

Rolled round steel is widely used in many fields such as construction, machinery manufacturing, and automobile industry. It is favored for its excellent physical properties and processing characteristics.


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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