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Mild Steel Round Bar

Mild steel round bars are solid, long steel bars with a carbon content between 0.10% and 0.30% and a circular cross-section. They belong to the basic profiles of ordinary carbon structural steel.

Mild steel round bars have a smooth, round surface without any texture. Their specifications are expressed in millimeters (mm) in diameter. They are manufactured in three ways: hot-rolled, cold-drawn, and forged. They are widely used in manufacturing parts that do not bear high stress but require high toughness.

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Ni36 Alloy Steel Plate 4J36 Steel Sheet

Ni36 Alloy Steel Plate, also known as low expansion iron-nickel alloy, is a type of material with extremely low thermal expansion coefficient. Its application scenarios cover aerospace, precision instrument manufacturing, electronics industry and other fields. Ni36 alloy (or Invar 36) is favored by various industries due to its excellent stability and high temperature resistance. It can still maintain dimensional stability in occasions with drastic temperature changes.

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NM400 Abrasion Resistant Steel Plate

NM400 Abrasion Resistant Steel Plate is a high-strength, wear-resistant steel plate. The “400” indicates its Brinell hardness (HBW) value is approximately 400, typically ranging from 360 to 450 HBW. Its wear resistance is 3 to 5 times that of ordinary low-carbon or low-alloy steel plates, making it suitable for high-abrasion wear conditions (such as mining and construction machinery).

The NM400 Abrasion Resistant Steel Plate conforms primarily to GB/T 24186-2022, corresponding to international grades such as HARDOX400 (Sweden), JFE-EH400 (Japan), and 400V (Germany).

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NM450 Wear Resistant Steel Plate

NM450 Wear Resistant Steel Plate is a high-strength, wear-resistant steel plate. “450” represents its average Brinell hardness of approximately 450 HBW, and it primarily conforms to the GB/T 24186 standard. It can replace international products such as SSAB HARDOX 450, JFE NK-EH450, and DILLIDUR 450V.

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NM500 Wear-resistant Steel Plate

NM500 Wear-resistant Steel Plate is a high-strength, wear-resistant steel plate with high hardness (470–540 HBW), high tensile strength (≥1350–1600 MPa), good low-temperature toughness (impact absorption energy ≥24 J at -20℃), and wear resistance 3–5 times that of ordinary carbon steel plates.

NM500 Wear-resistant Steel Plate is produced using a quenching and tempering process, with a carbon content ≤0.38% and the addition of alloying elements such as Cr, Mo, and Ni to balance strength and toughness. The thickness is typically 6–60 mm; the surface needs to be milled 1.0–2.5 mm (2.0 mm recommended) before hardness testing.

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Non Oriented Silicon Steel Coil

Non oriented silicon steel coil is a low-carbon ferrosilicon alloy. In the deformed and annealed steel sheet, its grains exhibit a random orientation distribution. The silicon content of the alloy is 1.5%–3.0%, or the combined silicon and aluminum content is 1.8%–4.0%.

Non oriented silicon steel coil products are typically cold-rolled sheets or strips with nominal thicknesses of 0.35 and 0.5 mm, primarily used in the manufacture of electric motors and generators.

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Oval Carbon Steel Pipe

Oval Carbon Steel Pipe is a kind of carbon steel pipe with an oval cross section. When manufacturing Oval Carbon Steel Pipes, the steel in a high temperature state is first molded into an oval shape, and then processed into a tubular product. Compared with ordinary round steel pipes, Oval Carbon Steel Tube is more beautiful in appearance and has higher bending strength and compressive strength.

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Parallel Flange Channel PFC Channel Steel

Parallel Flange Channel PFC Channel Steel mainly comes in British and Australian standards, which are high-strength, high-quality channel steels. British-standard PFC channels are parallel straight-leg channels, complying with EN10163-3:2004 and using materials such as S235J0, S275JR, S355JR, and S355J0. Australian-standard PFC channels comply with AS/NZS 3679.1 and use materials such as G250, G300, and G350.

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Pipeline Steel Pipe

Pipeline steel pipes are pressure-bearing steel pipes specifically designed for transporting fluids such as oil, natural gas, and water. Their core characteristics are high strength, high toughness, good weldability, and corrosion resistance.

Pipeline steel pipes are mainly divided into seamless pipes and welded pipes (straight seam/spiral welded pipes), conforming to API SPEC 5L or GB/T 9711 standards, with steel grades such as X42–X120 (yield strength 290–830 MPa).

API SPEC 5L-2011 (Specification for Line Pipe), compiled and published by the American Petroleum Institute, is commonly used around the world. The main material of the pipe is L245, L290, L360, L415, L480, GR.B, X42, X46, X56, X65, X70, X80, X100 and other steel grades

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PPGI Steel Coils

PPGI Steel Coils, also known as hot-dip galvanized color-coated steel coils or hot-dip galvanized Prepainted Steel Coils, are composite materials made from steel strips as the base material. After degreasing and phosphating, they are coated with organic paint and baked. They combine the mechanical strength of steel with the decorative properties and corrosion resistance of organic materials.

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PPGL Steel Coils

PPGL Steel Coils (Pre-Painted Galvanized Aluminum Coils, also known as Pre-Painted Galvalume Coils) are pre-painted galvanized steel coils, a type of color-coated metal material widely used in construction, home appliances, and automotive industries. They use a galvanized zinc alloy (Galvalume) of 55% aluminum + 43.5% zinc + 1.5% silicon as the substrate, instead of ordinary galvanized sheet.

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Precision Steel Pipe

Precision steel pipe is a high-precision, high-brightness seamless steel pipe produced by cold drawing or cold rolling. Its inner and outer diameters can be accurate to within 0.2mm. While ensuring bending and torsional strength, it is light in weight, so it is widely used in the manufacture of precision mechanical parts and engineering structures. It is also commonly used to produce various conventional weapons, barrels, shells, bearings, etc.

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Prepainted Steel Coils

Prepainted steel coils, also known as color-coated steel coils or color-coated sheets, are composite materials made from metal coils such as cold-rolled steel sheets and galvanized steel sheets as substrates. After surface pretreatment, they are coated with organic coatings and baked for curing. Prepainted steel coils combine the mechanical strength of steel sheets with the decorative properties and corrosion resistance of organic materials.

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$Pressure vessel steel plates are special steels used specifically for manufacturing the shells and pressure-bearing components of pressure vessels, requiring long-term safe operation under harsh conditions such as high pressure, high temperature, or low temperature. They are widely used in the petrochemical, energy, nuclear power, and military industries, specifically in equipment including reactors, heat exchangers, spherical tanks, boiler drums, and liquefied gas storage and transportation containers. Classification of Pressure Vessel Steel Plates: 1. By Composition: Pressure vessel steel plates are classified into carbon steel plate (e.g., Q245R), low-alloy high-strength steel (e.g., Q345R, Q370R), and alloy steel plate (e.g., hydrogen-resistant steel 15CrMoR). 2. By Operating Condition: Includes plates for ambient temperature vessels, cryogenic steel (e.g., 09MnNiDR, used in LNG storage tanks), and high-temperature hydrogen-resistant steel (e.g., 12Cr2Mo1R, used in hydrogenation reactors). 3. By Standard: Pressure Vessel Steel Plates commonly conform to Chinese standards (GB/T 713 series), American ASME standards (such as SA516 Pressure Vessel Steel Plate), and European EN standards (such as P355GH). Characteristics of Pressure Vessel Steel Plates: 1. Balanced Mechanical Properties: Pressure Vessel Steel Plates possess high yield strength and tensile strength (e.g., Q245R yield strength ≥ 245MPa, Q345R yield strength ≥ 345MPa), while ensuring sufficient elongation after fracture to withstand internal pressure without plastic deformation or fracture. 2. Excellent Low-Temperature Toughness: By strictly controlling phosphorus and sulfur content and adding microalloying elements (such as Ni, Nb, V), Pressure Vessel Steel Plates significantly reduce the ductile-brittle transition temperature, preventing brittle fracture at low temperatures (e.g., impact energy meets standards at -40℃ or even -196℃). 3. Excellent weldability: Carbon content is typically controlled at a low level (generally ≤0.25%), resulting in a low carbon equivalent. This reduces the likelihood of cold cracking during welding, making it suitable for various welding processes. Post-weld heat treatment performance is also stable. 4. High material homogeneity and purity: Pressure Vessel Steel Plate employs ladle refining and vacuum degassing processes, strictly limiting non-metallic inclusions. Internal defects (such as inclusions and cracks) are subject to extremely stringent requirements, typically requiring ultrasonic testing. 5. Strict composition control: Pressure Vessel Steel Plate is primarily composed of carbon steel and low-alloy steel. The low-carbon design is reinforced with manganese and silicon. For special applications, elements such as chromium, molybdenum, and nickel are added to improve heat resistance, corrosion resistance, or low-temperature performance. 6. Specific delivery conditions: Grain refinement and microstructure homogeneity are often achieved through heat treatment processes such as normalizing, controlled rolling (TMCP), or quenching and tempering, ensuring consistent properties throughout the thickness direction. 7. Wide Temperature Range: Pressure Vessel Steel Plates are suitable for a wide temperature range, from room temperature to 500℃ (some models can reach 560℃), with specialized low-temperature steels available to cover the range of -20℃ to -196℃. 8. Corrosion Resistance and Hydrogen-Induced Cracking Resistance: For petrochemical and other environments, hydrogen sulfide (HIC) resistant or hydrogen-resistant steel varieties can be developed to extend equipment life. 9. Wide Range of Specifications: Thicknesses are typically 5~200mm (some up to 250mm), meeting diverse needs from small gas cylinders to large spherical tanks. Applications of Pressure Vessel Steel Plates: Pressure Vessel Steel Plates are specialized steel materials used to manufacture the shells and pressure-bearing components of pressure-bearing equipment. Their core application is in constructing sealed containers capable of withstanding certain pressure and temperature changes in the petroleum, chemical, and energy industries. 1. Petrochemical Industry: Used in the manufacture of reactors, heat exchangers, separators, towers, oil and gas tanks, and liquefied gas tanks for gas separation, storage, and chemical reaction processes. 2. Energy and Power Industry: Pressure Vessel Steel Plates are used in key pressure-bearing components such as boiler drums, nuclear power plant reactor pressure vessels, hydroelectric high-pressure water pipes, turbine casings, and steam accumulators. 3. Gas Storage and Transportation: Pressure Vessel Steel Plates are used to manufacture spherical storage tanks (spherical tanks), mobile pressure vessels (such as LPG cylinders), and cryogenic liquid storage tanks, covering operating conditions from ambient temperature to cryogenic (-196℃). 4. Other Special Equipment: Pressure Vessel Steel Plates are used in military, scientific research, and machinery manufacturing for high-pressure vessels, multi-layered encased containers, and equipment for corrosion-resistant special environments.$
Pressure Vessel Steel Plate

Pressure vessel steel plates are special steels used specifically for manufacturing the shells and pressure-bearing components of pressure vessels, requiring long-term safe operation under harsh conditions such as high pressure, high temperature, or low temperature. They are widely used in the petrochemical, energy, nuclear power, and military industries, specifically in equipment including reactors, heat exchangers, spherical tanks, boiler drums, and liquefied gas storage and transportation containers.

Classification of Pressure Vessel Steel Plates:

1. By Composition: Pressure vessel steel plates are classified into carbon steel (e.g., Q245R), low-alloy high-strength steel (e.g., Q345R, Q370R), and alloy steel (e.g., hydrogen-resistant steel 15CrMoR).

2. By Operating Condition: Includes plates for ambient temperature vessels, cryogenic steel (e.g., 09MnNiDR, used in LNG storage tanks), and high-temperature hydrogen-resistant steel (e.g., 12Cr2Mo1R, used in hydrogenation reactors).

3. By Standard: Pressure Vessel Steel Plates commonly conform to Chinese standards (GB/T 713 series), American ASME standards (such as SA516), and European EN standards (such as P355GH).

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Prime Prepainted Galvalume Steel Coil

Prime Prepainted Galvalume Steel Coil is a composite material made by applying a surface coating (such as color coating or functional coating) to an aluminized zinc steel coil (typically 55% Al, 43.4% Zn, 1.6% Si). It combines the protective properties of the aluminized zinc layer with the decorative/functional advantages of the pre-coated film.

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Prime Prepainted Galvanized Steel Coil

Prime Prepainted Galvanized Steel Coil (PPGI, Pre-Painted Galvanized Steel Coil) is a composite material made from hot-dip galvanized steel sheet as the base material. After surface pretreatment, it is roller-coated with organic coatings (such as polyester, fluorocarbon, etc.) and then baked and cured. It combines the corrosion resistance of galvanization with the decorative and durable properties of a coating.

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Pure Copper Plate

Pure copper plate (commonly known as red copper plate or purple copper plate) refers to a flat copper sheet made from high-purity electrolytic copper through a rolling process. Its copper content is typically not less than 99.9%.

Its main applications are as follows:
1. Power electronics: Manufacturing busbars, conductive contacts, lead frames, and heat dissipation substrates.

2. Architectural decoration: Used in roofing curtain walls, pipe valves, utilizing its weather resistance and aesthetics.

3. Industrial manufacturing: Used in heat exchangers, vacuum devices, and structural components requiring good weldability.

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R22 Self Drilling Anchor Bolt

R22 Self Drilling Anchor Bolt, diameter is 22mm, the diameter to be chamfered is 25mm, and the chamfer length is 70mm. R22 Self Drilling Anchor Bolt is suitable for different construction occasions, including rock geology, underground construction, coal mining, etc.

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R25 Self Drilling Anchor Bar

R25 Self Drilling Anchor Bar, diameter is 25mm, the diameter to be chamfered is 28mm, and the chamfer length is 80mm. R25 self-drilling anchor bar is suitable for construction occasions that require large diameter drilling, such as tunnel support, underground warehouses, underground garages, etc.

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R32 Self Drilling Anchor Bolts

R32 Self Drilling Anchor Bolts, diameter is 32mm, the diameter to be chamfered is 35mm, and the chamfer length is 100mm. R32 Self Drilling Anchor Bolts are suitable for underground engineering construction such as coal mine shafts, oil fields, subways, etc.

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