Stainless steel wire product classification

Wire rods are generally made of ordinary carbon steel and high-quality carbon steel. According to different steel distribution catalogues and uses, wire rods include ordinary low-carbon steel hot-rolled round wire rods, high-quality carbon steel wire rods, carbon welding rod wire rods, quenched and tempered threaded wire rods, wire rods for wire ropes, and wire rods for piano wires. And stainless steel wire rods, etc.

1. Ordinary low carbon steel hot rolled wire rod (GB701-65)

Ordinary low-carbon steel hot-rolled wire rod is rolled from low-carbon ordinary carbon structural steel or carbon structural steel with a lower yield point. It is the most widely used and used wire rod in wire rod varieties. Wire, referred to as ordinary wire.

Main application: The common wire is mainly used for building reinforced concrete structure as reinforcement, and can also be cold drawn into steel wire for bundling and other purposes.

2. Ordinary low carbon steel non-twist controlled cold and hot rolled wire rod (ZBH4403-88)

The non-twist-controlled cooling and hot-rolled wire rods are made by controlled cooling after rolling by the non-twist high-speed wire rod mill. high mechanical properties.

Main application: The dimensional accuracy of non-twist-controlled cold and hot-rolled wire rods is divided into three grades: A, B, and C. Grades A, B, and C are suitable for wire drawing, construction, packaging, and welding rods, and grades B and C are suitable for processing into bolts, screws, and nuts.

3. High quality carbon steel wire rod (GB4354-84)

High-quality carbon steel wire rods are rolled from high-quality carbon structural steel. It is one of the most widely used types of wire rods.

Main use: High-quality carbon steel wire rod is mainly used for processing and manufacturing carbon spring steel wire, oil quenched and tempered carbon spring steel wire, prestressed steel wire, high-strength and high-quality carbon structural steel wire, galvanized steel wire, galvanized stranded wire rope, etc. .

4. High-quality carbon steel non-twist-controlled cold and hot-rolled wire rod (ZBH44002-88)

High-quality carbon steel non-twist controlled cooling and hot-rolled wire rods are rolled by non-twist high-speed wire rod </B> rolling mill, and controlled cooling treatment is adopted after rolling. Compared with high-quality carbon steel wire rod, it has high dimensional accuracy, good surface quality and higher mechanical properties.

Main use: The main use is the same as that of high-quality carbon steel wire rod. Commonly used in the manufacture of carbon spring steel wire, oil quenched and tempered carbon spring steel wire, prestressed steel wire, high-quality carbon structural steel wire, galvanized steel wire, etc.

5. Wire rod for rope making (YB349-64)

The wire rod for rope making is one of the high-quality carbon structural steel hot-rolled round wire rods.

Main application: Wire rods for wire ropes can be made of high-quality carbon structural steel with grades of 35, 40, 45, 55, 60, 65, 70, 75, 80 and 85. The chemical composition meets the requirements of GB699 (technical conditions for high-quality carbon structural steel).

6. Non-twist-controlled cold and hot-rolled wire rod for rope making wire (ZBH44004-88)

Rope-making wire is made of twist-free controlled hot and cold rolling discs and high-quality carbon structural steel, rolled on a twist-free wire rolling mill, and controlled cooling after rolling. The wire rods rolled in this way have high dimensional accuracy, good surface quality and superior mechanical properties.

Main use: Mainly used for drawing rope wire and steel strand wire.

7. Carbon electrode steel wire rod (GB3429-82)

Carbon electrode steel wire rod is made of low-carbon high-quality carbon structural steel by hot rolling.

Main use: Mainly used in the manufacture of manual arc welding cores.

8. Carbon welding rod steel without twist control cold and hot rolled wire rod (ZBH44005-88)

The non-twist-controlled cold and hot-rolled wire rod of carbon electrode steel is made by rolling on a closed-twisted wire rolling mill and controlled cooling after rolling. It has high dimensional accuracy, good surface quality and superior performance, and is a high-quality electrode steel wire rod.

Main application: Mainly used to manufacture carbon steel hot-rolled disc rod with coating electrode steel core.

9. Wire rod for piano wire (GB4355-84)

The wire rod for piano wire is rolled from high-quality carbon structural steel with grades of 60, 60Mn, 65, 65Mn, 70, 70Mn, 75, 75Mn, 80, T8MnA, T9A.

Main application: wire rod for piano wire is mainly used for drawing piano wire, oil quenching and tempering valve wire, etc.

10. Alloy structural steel hot-rolled wire rod (GB3077-82)

Alloy structural steel hot-rolled wire rods are rolled from alloy structural steel. Alloy structural steel has a total of 26 steel groups and 78 steel grades. Each production plant selects each brand for production according to the requirements of the buyer and different uses.

Main application: Alloy structure hot-rolled wire rod is mainly used for drawing steel wire, metal products and structural parts.

11. Carbon tool steel hot-rolled wire rod (GB1298-86) Carbon tool steel is rolled from high-quality or high-quality high-carbon steel. The processing performance and wear resistance are good, and the price is cheap.

Main use: Mainly used for drawing steel ratio and manufacturing tools, etc.

12. Alloy tool steel hot-rolled wire rod (GB1299-77)

Alloy tool steel is a kind of steel made by adding alloy elements such as chromium, tungsten, molybdenum, vanadium, silicon, manganese, nickel and cobalt to the matrix of carbon tool steel. Compared to carbon tool steel. It has the characteristics of good hardenability, small tendency to crack during heat treatment, high wear resistance and heat resistance. Alloy tool steel hot-rolled wire rod is rolled from alloy tool steel with 33 steel grades in 5 steel groups. They are produced by Dalian Steel Plant, Benxi Steel Plant and Shaanxi Steel Plant respectively.

Main use: suitable for the production of measuring tools, cutting tools, cold and hot working dies, impact-resistant tools, etc.

13. Spring steel hot-rolled wire rod (GB1222-84)

Spring steel is the type of steel used to make springs or other elastic elements. Springs and elastic elements mainly use their elastic denaturation to absorb and store energy, so as to relieve vibration, impact or make the machine parts complete certain actions. Because it works under the condition of shock, vibration or long-term uniform periodic alternating stress, spring steel is required to have high yield strength, especially high yield ratio (ratio of yield strength to tensile strength) and elasticity High fatigue strength, high temperature resistance and corrosion resistance. Spring steel should also have good surface quality. Spring steel has 17 grades of carbon spring steel and alloy spring steel. Main application: Spring steel hot-rolled wire rod is mainly used to produce coil springs for various purposes.

14. Ball bearing steel hot-rolled wire rod (YB9-68)

Ball bearing steel, referred to as bearing steel, is a type of steel used to manufacture rings (sleeves) and rolling elements (balls) of various types of rolling bearings. Due to the particularity of its use, bearing steel is required to have high and uniform hardness and wear resistance, high elasticity and fatigue strength. Sufficient toughness and hardenability, and some corrosion resistance in atmospheric environment or lubricants. Some special-purpose rolling bearings also require high temperature resistance, corrosion resistance, non-magnetic, ultra-low temperature, high precision, long life and other properties. Therefore, the selection of bearing steel and the quality requirements of steel are stricter than those of ordinary steel.

Bearing steel usually refers to high carbon chromium steel, in addition to carburized bearing steel, high carbon chromium stainless bearing steel.

There are 5 steel grades generally used for rolling ball bearing steel hot-rolled wire rods.

Main application: Ball bearing steel hot-rolled wire rod is mainly used to manufacture steel balls (steel balls) of bearings, etc.

15. Stainless steel wire rod (GB4356-84)

Stainless steel wire rods are hot-rolled from a variety of grades of stainless steel with different textures.

Main application: Stainless steel wire rod is mainly used to manufacture stainless steel wire, stainless spring wire, stainless upsetting steel wire and stainless steel wire rope. According to the main uses in the industry, stainless steel wire rods are also divided into stainless steel and stainless acid-resistant steel wire rods.

16. Stainless steel wire rod for welding (GB4241-84)

The chemical composition of stainless steel wire rod for welding is different from that of general stainless steel wire rod. In order to ensure its excellent welding performance and improve the quality of the weld, the remarkable characteristics of the stainless steel wire rod for welding are low carbon content, less phosphorus, sulfur and other toxic impurities, and high nickel and chromium content.

Main use: Mainly used in the manufacture of welding rod steel core and welding wire.