Weld Steel Tube Black Steel Pipes Produce Square And Round Steel
Pipes Rectangular Hollow Section Steel Tubes
- hickness: 0.8 - 20 mm
- Standard: GB
- Certificate: ce, GS, ISO9001
- Grade: Q215 Q235 Q345
- Surface Treatment: Hot Rolled
- Tolerance: ±5%
- Processing Service: Cutting
- Oiled or Non-oiled: Heavy Oiled
- Invoicing: by actual weight
- Delivery Time: 15-25 Days
- Product name: Black Square
- Surface: Oil Dipped
- Material: Q195/Q235/Q345
- Shape: Square. Rectangular
- End protector: Beveled Thread
- Usage: Construction Structure
- Length: 5-12M
- Technology: ERW Tube
Product name | High Quality Black square pipe and Black round pipe |
Size | Rectangular Tube: 10*20-120*80mm
Square Tube : 16*16-250*250 mm
(check sizes provided from below table) |
Length | 6m or based on your request |
Standard | EN10210, EN10219, DIN17100, ASTM A36,JIS G3466 |
Materials | Q195, Q235, Q235B, Q275, Q345B, S235, S235jr, S355, S355jr, SS400,
SS330, STK490,St33, St37, St52/ ASTM A36, A53, A106 |
Surface | Oil, bared, black paint, galvanized |
End finish | Plain end |
Technique | hot rolled, welded(erw) |
MOQ | 2 tons |
Usage | Civil engineering, architecture, steel towers, shipyard,
scaffoldings, struts, piles for suppression of landslide and other
structures |
Shipment | by bulk or load into 20ft / 40ft containers |
Delivery time | Prompt delivery, or as order’s quantity. |
Payment Terms | T/T or L/C at sight |
Price term | Ex-work,FOB,CIF,CFR,etc. |
Packing | Export standard package, suit for all kinds of transport, or as
required. |
Technological Process
Bending pipe service
Good perpendicularityWith no bevel
Excellent bending technologyOut of roundness rate ≤ 3%
Thinning rate ≤ 15%
Measure the inner wall thickness of the bendApplication
PACKING
We will select the corresponding packaging method according to the
different types of products. We will do our best to reduce the
loss in transportation.
TRANSPORTATION
Before the shipment, there will be professional quality inspection
personnel to carry out on-site testing of materials,
specifications, etc, and photographed and archived. During the
cargo transportation process, the customer can track and inquire
about the progress of the logistics
INSPECTION
Our products are checked through 16 processes at least , and have
quality inspection reports from authoritative third
parties.Professional inspection is provide to ensure that the
weight of the goods is sufficient.
Company Profile
Weifang Wilda Machinery Co.,Ltd founded in 2003. Specializing in the production of
high-precision galvanized welded steel pipes, we can produce round,
square and other
special-shaped steel pipes according to customer orders.
We also have sheet metal processing workshop, welding workshop,
metal surface treatment
workshop,which can meet the needs of different customers.
excellent employees, advanced technology, and sophisticated
equipment, strict management
is the company can continue to develop and raise, the product can
win users rely on the root.
"Accurate, reliable, professional"is our spirit of production and
service beliefs
Why Choose Us ?
