Gi API Black Steel Pipes Q345 Galvanized Thick Wall 1-12m Long
ProductionRound And Squara Steel Pipes Black Square Tube Iron Tubes Cheap Price Erw Black Square Pipe Carbon Round Tubes
| ade | Chemical Composition | Mechanical Properties | ||||||
| C | Mn | Si | S | P | Yield | Tensile | Elongati | |
| Strength Mpa | Strenth Mpa | -on % | ||||||
| Q195 | 0.06-0.12 | 0.25-0.50 | ≤0.30 | ≤0.045 | ≤0.05 | ≥195 | 315-430 | ≥33 |
| Q215 | 0.09-0.15 | 0.25-0.55 | ≤0.30 | ≤0.05 | ≤0.045 | ≥217 | 335-450 | ≥27 |
| Q235 | 0.12-0.20 | 0.30-0.67 | ≤0.30 | ≤0.045 | ≤0.04 | ≥235 | 375-500 | ≥26 |
| Q345 | ≤0.20 | 1.00-1.60 | ≤0.55 | ≤0.04 | ≤0.04 | ≥345 | 470-630 | ≥22 |
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

Technological Process
Bending pipe service
Application

loss in transportation.
specifications, etc, and photographed and archived. During the cargo transportation process, the customer can track and inquire
about the progress of the logistics
parties.Professional inspection is provide to ensure that the weight of the goods is sufficient.
Company Profile
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