best selling products square black iron pipe ms hollow section square pipe

iron straight welded 40x40 ms square steel pipe

Product Name: Steel ERW Black Pipe
Section Shape: Round, Square, Retangular, oval, L, T, Z
Specification: 5.8mm-508mm; 6.5×6.5mm-400x400mm
Thickness: 0.45-20mm
Length: 1-12m, meet your requirements.
Tolerance: Wall Thickness:±0.05MM   Length:±6mm  Outer Diameter:±0.3MM
Technique: Hot Rolled, Cold Rolled, ERW
SurfaceTreatment: Black Annealed, Bright Annealed, Oiled, No surface treatment.
Standard: GB, ASTM, JIS, BS, DIN, EN, DIN
Material: Q195-Q345, 10#-45#,195-Q345, Gr.B-Gr.50, DIN-S235JR, JIS-SS400, JIS-SPHC, BS-040A10
Packing: Packing with metal belt, waterproof package or meet your requirements.
Delivery Time: About 20-40 days after received the deposit.
Payment Terms: T/T, L/C at sight.
Loading port: XINGANG,CHINA
Application: Widely used in furniture,interior decoration, fluid pipeline, petroleum and natural gas industry, drilling, pipeline, structure.

Our Stock

Our Factory

1.Material Area: Make sure the raw material loading smoothly. We use Q195/Q235 steel strips for the pipe raw materials. We have full black annealed, regular black annealed and bright annealed surface treatment. The performance are the same, just different in color. 2. Production Area: We use the machine which can produce 5000tons/month. Oiled during the production to avoid pipe rusty. Cutting during the production to save time and have a perfect slit. 3. We have 2-3 workers stay in production ending to make packing. 3 QC check the pipe quality all the time. Once he sees some broken will find it right now and repair it.

Regular customer

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