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"Don't skimp on weld quality": interview with a structural engineer on the safety of metal structures

(December 18, 2025) | Views: 87 |

Weld quality is one of the least noticeable but most critical factors in the durability of any metal structure. However, this is exactly where builders often try to save money. We asked Oleksandr Marchenko, a structural engineer at a metallurgical company with 15 years of experience, why this is dangerous, what mistakes contractors make, and how to properly monitor installation. Why welding quality is more important than metal thickness? — Mr. Marchenko, why is the issue of weld quality so critical? Oleksandr Marchenko...

(November 30, 2025) | Views: 459 |

What is Steel Rebar? Steel rebar (short for reinforcing bar) consists of long, strong metal rods made primarily from carbon or alloy steel. Due to its high strength, reliability, and resistance to external influences, rebar remains a key material in the construction industry. Rebar diameters vary from thin rods used in residential construction to powerful, large-section bars used in heavy industrial and civil engineering. Purpose of Steel Rebar The main role of rebar is to strengthen concrete structures and ensure their stabili...

Structural Hollow Section: 5 Non-Standard Uses

(November 30, 2025) | Views: 104 |

Structural Hollow Section is one of the most versatile metal products, combining geometric precision, high strength, and ease of processing. In modern construction and design, it has long gone beyond classic applications in frames, floorings, and fences. What is a Structural Hollow Section? A Structural Hollow Section is a hollow metal steel pipe with a square, rectangular, or oval cross-section. Square and rectangular profile pipes are typically manufactured according to standards such as EN 10219. A feature of such pipes is that...

(November 27, 2025) | Views: 112 |

Improper storage of rolled metal products is one of the most common causes of material spoilage, construction delays, and fines from technical supervision. Moisture, contact with soil, lack of labeling, or disorganization in the warehouse can lead to corrosion, damage, and losses that can easily be avoided. Below is a detailed guide on how to properly organize the storage of metal at a construction site, ensuring safety, order, and quality preservation. Key Principles of Proper Metal Storage To ensure metal retains i...

(November 13, 2025) | Views: 85 |

In recent years, the global construction industry has been undergoing profound changes under the influence of environmental trends. The concept of "green" construction—erecting buildings with minimal environmental impact and enhanced energy efficiency—is becoming the new standard. This directly affects the market for rolled metal products, especially steel, which must now meet not only technical but also environmental requirements. What is sustainable (green) rolled steel Sustainable (or "green") rolled steel is a product manufacture...

(November 07, 2025) | Views: 85 |

Prices for metal products are one of the most sensitive indicators for construction companies, manufacturers, and trading organizations. The price of metal is one of the key indicators affecting the cost of construction projects, industrial production, and even transport infrastructure. Why does metal become cheaper in some months and suddenly more expensive in others? The cost is influenced by a complex set of factors: from exchange rates to weather conditions. Let's analyze in detail what the price of metal products actually depends on...

(November 05, 2025) | Views: 96 |

The purchase of rolled metal products plays a decisive role in construction, manufacturing, and a number of other fields. The success of a project and its economic efficiency directly depend on the quality of the material and the reliability of the supplier. To minimize risks and make the procurement process as profitable as possible, several important factors must be considered. Based on the many years of experience of the UTMK company in supplying high-quality rolled metal products and collaborati...

(November 05, 2025) | Views: 95 |

Modern metal processing technologies are constantly being improved, allowing for increased precision, speed, and quality in manufacturing processes. One of the most sought-after methods is laser cutting, which is gradually replacing traditional methods—plasma and gas cutting. What is the Laser Cutting Process? A laser machine creates an extremely narrow beam of light with a large amount of energy concentrated at a single point. This energy is sufficient to melt or vaporize the metal where it strikes. The temperature in the cutting zon...

(July 21, 2025) | Views: 695 |

The question of the weight of a linear meter of an I-beam is relevant not only for engineers and designers but also for professionals whose activities are far removed from material strength and design. An I-beam is a rolled metal product with an H-shaped cross-section, widely used in various fields. It is indispensable in the construction of multi-story buildings, supermarkets, large-span structures, farms, hangars, garages, private houses, and cottages. It is also used in the production of metal structures employed in...

Titanium alloys, their characteristics. iPhone.

(July 18, 2025) | Views: 390 |

But what's the point of an iPhone? Starting with the elite models of the iPhone 15 Pro and Pro Max line, developers began to add titanium to the body material. But instead of the announced all-titanium body, it received only an outer frame made of titanium alloy. Titanium has replaced stainless medical steel in the premium version of the smartphone. According to the developers, this made it possible to make these versions of the device the lightest without losing the quality and strength of the products. Let's figure out whether titanium...

Reinforcement for concrete structures

(July 16, 2025) | Views: 261 |

Reinforcement for reinforced concrete structures (RCS) is an essential component that ensures their strength and operational resistance to tensile and compressive forces. Reinforcement in reinforced concrete structures is installed to compensate for tensile stresses and enhance the concrete in compression zones. The amount of reinforcement is determined based on the load and impact on the structural elements. This rolled metal product is either hot-rolled or cold-rolled, with a round or periodic profile. It is supplied in bars, coils, or...

(June 30, 2025) | Views: 196 |

Strips made of ferrous and non-ferrous metals are in demand across various sectors of industry and mechanical engineering. Depending on their dimensions and material, not only the weight but also the properties and applications vary. It should be noted that in modern domestic metallurgy, the term "strip" may refer to products that differ significantly in production methods and final characteristics. Steel Strip According to DSTU 2924, strip rolling is a metal product with a rectangular cross-section, a thickness of 4–60 mm, a width of...

Manufacturing Doors from Cold-Rolled Sheet

(June 25, 2025) | Views: 155 |

Manufacturing of doors from cold-rolled sheet metal is in high demand due to their high strength and reliability. They are durable, have an elegant appearance, and therefore attract customers' attention. They are ideal for homes and offices. Product structure Such doors consist of several important components. The outer shell made of cold-rolled sheet metal has high strength and is resistant to environmental influences. Inside there is insulation that performs thermal insulation and reduces noise levels. The presenc...

(June 17, 2025) | Views: 317 |

Since ancient times, metals have played a significant role in the development of human culture. Among the 118 known elements, 96 are metals. All of them, except mercury, exist in a solid state and conduct electricity well. Determining which of them is the strongest and hardest under the same conditions is practically impossible, so the concept of hardness is used. It is measured using the Mohs scale, as well as the Brinell, Vickers, and Shore methods. Evaluating the strongest metals in the world based on several properties Streng...

(June 12, 2025) | Views: 166 |

Damascus steel is an alloy with a carbon content of no more than 1.3%, characterized by wavy patterns. As in any steel, the main component is iron. The patterns form during the processing of multiple steel layers of different grades and through slow cooling, resulting in ferrite and carbide formation. Damascus is classified into two groups: welded and refined. A Bit of History It is named after the city of Damascus, which, according to archives, hosted the largest cold weapon market. Artifacts with such patterns are found at Slavic...

How to Connect Metal Pipe to Plastic Pipe

(June 10, 2025) | Views: 540 |

Situations requiring the connection of metal and plastic pipes are familiar to homeowners and apartment dwellers needing to repair cold/hot water supply or sewage systems. This is often necessary when connecting internal plumbing (water supply, heating, sewage) to centralized pipelines, replacing damaged pipe sections, or installing appliances like washing machines, boilers, or showers in older buildings. Connecting Metal and Polypropylene Pipes Without Welding Due to material incompatibility,...

(June 09, 2025) | Views: 272 |

As known, the use of protective coatings is one of the most effective and affordable anti-corrosion measures for metal protection. One of the most common coatings is zinc. This is due to the optimal price-quality ratio for this technological process. However, galvanized metal can also corrode. It rusts unevenly, forming white spots and streaks. Why does this happen, and can it be prevented? What is the principle of galvanizing This corrosion protection is used for a wide range of steel produ...

Weight of One Linear Meter of Steel Angle Bar

(May 01, 2025) | Views: 706 |

A steel angle bar is a shaped rolled metal pro...

How to Bend Sheet Metal

(April 30, 2025) | Views: 235 |

Bent products made of thin sheet metal are necessary for arranging fences, railings, gutters, and various metal structures. The need to bend sheet metal often arises in everyday life during construction and repair work.Sheet metal can be bent at different angles. This is a method of plastic deformation of the sheet, which preserves its structure and eliminates the need for additional welds.In industrial settings, bending and profiling are used by various factories and enterprises. In such conditions, it is not limited t...

Weight of 1 Linear Meter of Sheet Metal

(April 12, 2025) | Views: 1199 |

The weight of sheet metal is one of the fundamental characteristics that affects the performance properties of the material. This parameter differs significantly between hot-rolled and cold-rolled steel, galvanized products, and material with a checkered surface. The discrepancy between theoretical and actual weight is due to errors in the operation of rolling mills. The mass of the finished product can be determined using special weighing equipment, tabular data, or manually for approximate calculations. The method...

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