High quality 40x40mm custom carbon steel square pipe tube
| Standard | API 5L/ASTM A523/ASTM A252/GB-T8711/BS 6363 etc |
| Material | S235JR,S235JO,S235J2,SS330,SPHC, S185,CS Type B |
| Fabrication | Plain ends, cutting, threading, etc. |
| Surface Treatment | 1. Silver and color painting |
| 2. Transparent oil,anti-rust oil | |
| 3. Galvanize on the surface | |
| Package | Bundle;Bulk;Plastic bags ,etc |
| Others | We can do special orders as customer's requirement. |
| All the production process are made under the ISO9001:2008 strictly |
| Place of Origin | Shandong, China | Tolerance | ±1% |
| Brand Name | Zhengshen | Processing Service | Welding, Punching, Cutting, Bending, Decoiling |
| Alloy Or Not | Is Alloy | Oiled or Non-oiled | Non-oiled |
| Section Shape | Square | Invoicing | by theoretical weight |
| Special Pipe | API Pipe, EMT Pipe | Delivery Time | 15days |
| Thickness | 1-6mm | Product name | square tube steel pipe |
| Standard | GB | Surface | Galvanized Coated |
| Length | 6m | Shape | Square Rectangular |
| Grade | S235JR,S235JO,S235J2,SS330,SPHC, S185,CS Type B | Usage | Construction Structure |
| Surface Treatment | galvanized | Color | Silvery |
| Application | Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe, Other | ||


Our associate factory located at Chongqing, which specializes in producing reliable quality welded pipes, seamless pipes, galvanized pipes, spiral pipes, large diameter thick wall pipe, steel sheets and other custom-made various precision metal products with an annual output of 200,000 tons.