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China Best Square Tube Manufacturer

Short Description:

Classified by wall thickness – extra thick walled rectangular tubes, thick walled rectangular tubes and thin-walled rectangular tubes
Executable standards:GB / t6728-2002, GB / t6725-2002, gbt3094-2000, JG 178-2005, ASTM A500, JIS g3466, en10210 or technical agreement application fields: widely used in machinery manufacturing, construction industry, metallurgical industry, agricultural vehicles, agricultural greenhouse, automobile industry, railway, highway guardrail, container frame, furniture, decoration and steel structure, etc.

Product Detail

Product Tags


Place of Origin: Shandong, China
Application: Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe, Other, Fluid Pipe Boiler Pipe Drill Pipe Hydraulic Pipe Gas Pipe OIL PIPE
Alloy Or Not: Non-Alloy
Section Shape: rectangular
Special Pipe: API Pipe, Other, EMT Pipe, Thick Wall Pipe
Thickness: 1 - 120 mm
Standard: ASTM
Length: 12M, 6m, 6.4M, Customerized
Certificate: API, ce, Bsi, BIS, SASO, tisi, JIS, GS
Grade: carbon steel tube
Surface Treatment: galvanized
Tolerance: ±0.01%
Processing Service: Bending, Welding, Decoiling, Punching, Cutting
Oiled or Non-oiled: Non-oiled

Invoicing: by actual weight
Delivery Time: 7-15 days
MOQ: 500KG
Product name: rectangular steel pipe
Surface: Customer's Request
Material: ST37/ST45/ST52/25Mn/27SiMn/E355/SAE1026/STKM13C
Type: Carbon Steel Tube
Steel Grade: Grade B/X42/X52/X60/X70 L245/L290/S320/L360/L390/L415
Color: Customized Color
Supply Ability: 100 Ton/Tons per Week
Packaging Details: wooden box or customer requirement
Port: qingdao, shanghai port.


Purpose of square tube: construction, machinery manufacturing, steel construction and other projects, shipbuilding, solar power generation support, steel structure engineering, power engineering, power plant, agricultural and chemical machinery, glass curtain wall, automobile chassis, airport, boiler construction, highway railing, house construction, pressure vessel, oil storage tank, bridge and power station equipment.


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Our Services

1. Free sample can be supplied
2. Trial order  is acceptable
3. Third party test is acceptable
4. Delivery time guarantee

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