Black carbon steel tube suppliers

Model Number: DPBD-FY-23 Brand Name: DPBD Key Specifications/Special Features: Specifications of the steel pipe:1) Shapes: square, rectangular and round2) Product range: 12.7*12.7-400*600,WT: 0.5mm-16mm (square, rectangular) 16mm-273mm, WT:0.6mm-10.0mm (round)3) Standards: ASTM A53, ASTM A500, AS1163, EN10219, EN10210, JIS G3466, JIS G3444, IS1161, IS1239, BS1387, IS4923, TIS107 and more4) Technique: welded5) Length: 3.0, 3.05, 3.75, 5.8, 6, 9, 11.8 and 12m or according to the requirements of the customers6) Surface: black, pre-galvanized, hot dipped galvanized, oil, painted7) Packaging details: in bundle or wrapped with PVC or according to the requirements of the customers8) Certificates: ISO 9001:2008Why choose us?
1-We can offer accurate material list for your reference. In our material List, you can clarify the chemical composition contained in steel pipes such as carbon, silicone, manganese, sulfur, as well as phosphorus.
The proportion of these elements is different because of the different product materials or grades from customers
Apart from essential raw materials, the property of products you purchased is also apparent like tensile strength
You should take this factor into consideration when putting our products into application.
Of course, if you want to know more information in the material list, you can put forward your advice and we will exert great effort to satisfy your demands

2-As a sophisticated steel pipe producer in China, we often conduct the second testing in advance. Before production, choosing and checking the suitable raw material is fundamental to the overall construction project
In terms of checking, do you know the testing aspects it contained?
At first, we may check the surface of our products to avoid obvious scratching or rusting
It is well known to us that steel pipe surfaces should be evenly without grease or oil
Smooth surface is benefit to make a tight-fitting components. Secondly, gauging thickness is also involved in the testing process
Thickness must be precise in order to accord with the requirement of you
Besides, zinc layer is also very important for customers
Last but not the least, we can have third party checked our steel pipes according to the request of customers