ST52 S355JR S355J0 Q345 Steel Round Bar
We have 200MTstock products of Q345B alloy steel round bar, detailed information as follows:
1. Diameter: 16-310mm
2. Length: 6000mm
3. Standard:
America Standard: ASTM A588 GradeB
International Standard: E355DD
Japan Standard: S355N
Chinese Standard: Q345B
4. Size Tolerance:
Length tolerance: +100mm/-0mm
Straightness: Max 3mm/m
6. Delivery condition: Hot rolled, Black Surface
7. Chemical Composition
8. Quality control
1. Processing Line:
Iron - hot metal pretreatment - Converter - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
Electric Furnace - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
2. Gas content level: O2 - <20 ppm H2 - <2 ppm N2- <100 ppm
3. Grain Sizes: 5-8
Qingdao Helio Steel Co., Ltd. Was established in March19, 2012. Our company's business staff members possess professional service capabilities of steel products, with more than a decade of experience on steel production, technology development, product sales and foreign trade. We comply the principle of friendly cooperation and mutual benefit, and persist in developing together with new and old customers.
Our company is located in Qingdao, a coastal city of Shandong Province, which is near Laiwu Steel Group. Only Laiwu City has steel production capacity of 20 million tons each year. Meanwhile, it is also the largest production base of powder metallurgy products in the whole country. Otherwise, there are more than ten well-known steel manufacturers within the province and the surrounding areas, so steel resources here is abundant and we can meet customers' various requirements.
Our company is mainly engaged in steel products for various specifications and materials, such as continuous casting billets, continuous casting tubes, hot-rolled bars, tubes, hot-rolled square steel, flat steel, H section steel, hot-rolled coils, cold-roll large-size panels, forging materials, and forgings.
We also run the import and export of steel products, based on the needs of customers at home and abroad to develop a variety of special steel products and timely delivery. I hope to sincerely cooperate with domestic and foreign customers, providing high-quality and low-priced products and professional services.
