❓ Frequently Asked Questions
Q1: What materials are available for your round bars?
We offer a wide range of materials including carbon steel (Q235, Q345, 10#, 20#, 45#) and stainless steel (304, 316, 316L, 321, 201, etc.) as well as alloy steels like 30CrMo and 35CrMo.
Q2: What are the size ranges for the round bars?
Our standard diameter range is between 3mm and 500mm. Lengths can be customized according to your specific project requirements, with 4m and 6m being common stock lengths.
Q3: Which surface treatments do you provide?
Depending on your needs, we provide black (as-rolled), bright (cold drawn or peeled), polished, or galvanized surface finishes.
Q4: How do you ensure the quality of the steel products?
All our steel bars undergo a 100% Ultrasonic test. We follow international standards such as AISI, ASTM, DIN, and JIS, and our products are SGS certified.
Q5: What are the primary applications for these steel bars?
These bars are widely used in structural construction, tool and die manufacturing, machinery parts, valve steel production, and decorative industrial applications.
Q6: What is the typical packaging for international shipping?
Products are usually bundled with steel strips or packed in nylon bags to prevent damage. We also offer bulk shipping for larger orders to optimize transport costs.