Q195 Prime Quality Mild Carton Black Square Tube Steel Sizes

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Product Description

Basic Info

Model NO.
gs-1
Type
Welded
Technique
ERW
Material
Carbon Steel
Surface Treatment
Oiled
Section Shape
Square
Products Name
ERW Black Steel Tube
Length
5.8meter or as Requested
Shape
Round, Square or Rectangular
Material Grade
Q195/Q235/Q355
Thickness
0.5mm-16mm
Production Capacity
5000/Month

Product Description

Mild Carbon Welded Cold Drawn Steel Tube

Product NameHigh Quality Black Annealed Cold Rolled Steel Tube/Pipe
Wall Thickness0.5mm-16mm
Length5.5m, 5.8m, 6m, 11.8m, 12m etc. Available according to demands.
Outer diameter6.5X6.5mm-400X400mm
ToleranceThickness:±0.05mm, Length:±6mm, OD:±0.3mm
ShapeRound, Square, Rectangle, Oval, etc.
MaterialQ195-Q345, 10#-45#, Gr.B-Gr.50, DIN-S235JR, JIS-SS400, JIS-SPHC, BS-040A10
TechniqueCold Rolled, Hot Rolled, ERW
StandardASTM, DIN, JIS, BS
Payment Terms30% T/T deposit, balance against B/L copy, L/C, O/A.
Delivery TimesWithin 30 days after receipt of deposit.

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Package & Quality Test

Applications

Galvanized square and rectangular steel pipes are widely used for Fence posts, Steel Structures, and greenhouse Tubes. Additionally, they are suitable for Decorative Tubes, such as balcony railings or handrails.

Frequently Asked Questions

What materials are used for these steel tubes?
The tubes are made from high-quality carbon steel, including grades like Q195, Q235, and Q355, as well as international standards like ASTM Gr.B and JIS-SS400.
What are the common applications for square steel pipes?
These pipes are versatile and used in pipeline transport, machinery industry, construction, fence posts, steel structures, and greenhouse tubing.
Can the length of the steel tube be customized?
Yes, while standard lengths like 5.8m and 6m are common, we can provide specific lengths (up to 12m) based on customer requirements.
What surface treatments do you offer?
The standard surface treatment is oiled to prevent rust. We also offer black annealed and cold-rolled options depending on the specific product type.
What standards do your steel tubes comply with?
Our products are manufactured according to international standards including ASTM, DIN, JIS, and BS to ensure global compatibility and quality.
What is the typical delivery time?
Standard orders are typically delivered within 30 days after the receipt of the deposit or payment confirmation.

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