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Carbon Steel Square Tube
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Welded steel pipe also known as welded pipe, is a steel pipe made of steel plate or strip after crimping and welding, generally 6 meters. Welded steel pipe production process is simple, high production efficiency, variety specifications, less investment in equipment, but the general strength is lower than seamless steel pipe.Straight seam welded pipe, steel pipe made of hot or cold rolled steel plate or steel strip coil welding, straight seam welded pipe on welding equipment are called straight seam welded pipe.
① Seamless steel pipe
1.Grade:Q195/Q215/Q235/Q345/S235JR/GRB-D/STK500
2.Size: diemeter is from 21.5 in to406.4 mm,the thickness is from 0.6mmto 20mm the length is from m to 12m
3.Standard:SY/T5037-2000.GB/T9711.1-1997,GB/T9711.2API-5L，SY/T5040-92,ASTMA53A106，DIN1626,DIN1629,DIN2448JIS G3452JIS G3454JIS G3455JIS G3456JIS G3457JIS G3461
② welded pipe
1.Grade:Q195/Q215/Q235/Q345/S235JR/GRB-D/STK500
2.Size: diemeter is from 21.5 in to406.4 mm,the thickness is from 0.6mmto 20mm ,the length is from 1m to 12m
3.Standard:SY/T5037-2000.GB/T9711.1-1997，GB/T9711.2API-5L.SY/T5040-92 ASTMA53A106.DIN1626DIN1629DIN2448.JIS G3452JIS G3454JIS G3455JIS G3456JIS G3457JIS G3461
Carbon steel square tube is a square metal pipe with simple manufacturing process, low cost, and wide application. This pipe is made of high-quality carbon steel material and is widely used in the construction, engineering, and manufacturing industries.
Product Features
① Automatic equipment efficiency fast yearsof processing experience, master experi-ence, perfect equipment stable produc-tion.
② Selection of materials with a variety of specifications optional manufacturers supply,adequate supply, a variety of specifications optional, to meet your needs.
③ Years of industry experience quality assurance years of industry production experience, mature production process,product quality assurance.
④ To map to sample on-demand processing customization support product processing customization,according to customer needs for product processing customization.
Carbon steel manufacturing process:
The smelting of carbon steel is usually carried out in converter and open hearth. Converters generally smelt ordinary carbon steel, while open furnaces smelt all kinds of high-quality steel. The technology of oxygen top blow converter is developing rapidly and it can replace open hearth furnace. The refined liquid steel is injected into the ingot mold to obtain various ingot. After the ingot is forged or rolled, it is processed into plates, strips, bars, and sections of various sectional shapes. Carbon steel is usually used directly in the hot rolled state. When used for manufacturing tools and various machine parts, it needs to be heat treated according to the requirements of use; As for steel castings, most of them are heat-treated.
Application
Carbon Black annealed rectangular hollow tube are usually used in engineering construction, glass curtain wall, door and window decoration, steel structure, guardrail, machinery manufacturing, automatic manufacturing, home appliance manufacturing,shipbuilding, container manufacturing, electric power, agricultural construction, agricultural shed, bicycle frame, shelves,fitness equipment fields. The surface of the galvanized layer can effectively prevent rust.
Packing & Delivery
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FAQ
Q1: Are you a carbon steel pipe manufacturer or trading company?
A: We are an integrated manufacturer and trading company with our own factory and multiple production lines, providing stable supply and project-oriented procurement support for international customers.
Q2: What types of carbon steel tubes do you supply?
A: We supply carbon steel square tubes and rectangular tubes in various grades, sizes and wall thicknesses for construction, structural and industrial applications.
Q3: What standards and grades are available?
A: We can supply square and rectangular tubes according to ASTM, EN, DIN, JIS and GB standards, depending on customer and project requirements.
Q4: What sizes and wall thicknesses are available?
A: We offer a wide range of outside dimensions and wall thicknesses. Standard and customized sizes are available according to specific requirements.
Q5: Can you provide customized square and rectangular tubes?
A: Yes. We can provide customized dimensions, wall thicknesses, lengths, surface treatments and other specifications according to customer requirements.
Q6: What is the difference between square and rectangular carbon steel tubes?
A: Square tubes have equal width and height, while rectangular tubes have different dimensions. The appropriate section can be selected according to structural design and application requirements.
Q7: What quality certificates and inspection documents are provided?
A: We can provide MTCs and relevant inspection documents, including chemical composition, mechanical properties, dimensions and other information required by the applicable standard.
Q8: Do you accept third-party inspection?
A: Yes. Third-party inspection can be arranged according to customer or project requirements before shipment.
Q9: What is the MOQ and lead time?
A: MOQ and lead time depend on the grade, dimensions, quantity and production requirements. Specific terms are confirmed with each quotation.
Q10: How are square and rectangular tubes packaged for export?
A: Tubes are normally packed in bundles with steel straps and suitable protective materials. Packaging can be adjusted according to the product and transportation requirements.
Q11: How can I get a quotation for square or rectangular tubes?
A: Please provide the required standard, grade, tube size, wall thickness, length, quantity and delivery destination. We will prepare a quotation based on your specifications.
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carbon steel round pipe tubecarbon steel pipe tubeare divided into seamless steel pipes and welded steel pipes.
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A53 Seamless & Welded Carbon Steel PipeA53 American standard seamless steel pipe is made of high-quality steel billets through hot rolling, cold drawing and other processes. The chemical composition and mechanical properties of this steel pipe comply with the requirements of American standard ASTM A53/A53M.![Carbon Steel Square Tube]( "Carbon Steel Square Tube")
Carbon Steel Square TubeCarbon steel square tube is a type of steel pipe with a square cross-section, mainly composed of elements such as carbon, manganese, silicon, phosphorus, sulfur, etc. Carbon steel square pipes are widely used in fields such as building structures, mechanical manufacturing, highway facilities, bridges and pipelines.![A106 Grade B carbon Steel Pipe]( "A106 Grade B carbon Steel Pipe")
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Submerged Arc Welded Spiral steel Pipe SSAWThe spiral submerged arc welded pipe is made of hot-rolled steel strip through constant temperature spiral forming and automatic submerged arc welding. The manufacturing process is to roll the steel strip, make the rolling direction at a certain angle to the center direction of the tube, and then form and weld, so the weld is spiral.![API Spec 5L oil casing pipe]( "API Spec 5L oil casing pipe")
API Spec 5L oil casing pipeResistance welded pipe ERW is formed by hot rolled coil through forming machine. The skin effect and proximity effect of the high frequency current are used to heat and melt the edges of the tube blank.![Carbon Steel Rectangular Tube]( "Carbon Steel Rectangular Tube")
Carbon Steel Rectangular TubeCarbon steel rectangular tube is a type of steel pipe with a square cross-section, mainly composed of elements such as carbon, manganese, silicon, phosphorus, sulfur, etc. Carbon steel square pipes are widely used in fields such as building structures, mechanical manufacturing, highway facilities, bridges and pipelines.![A335 Seamless carbon steel pipe]( "A335 Seamless carbon steel pipe")
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Resistance Welded carbon steel pipe ERWResistance welded pipe ERW is formed by hot rolled coil through forming machine. The skin effect and proximity effect of the high frequency current are used to heat and melt the edges of the tube blank.
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