Standard: GB, JIS etc Diameter: 20mm~200mm Length: 2m~12m Grade: Q235, Q195, 20#, 45# etc Round BarDescription1.material: Q235, 45#, 40Cr, 20# etc. 2. Surface: Black surface/Turned/Ground or as your requirements. 3. Process: EAF+LF+VD+ Forged+ Heat Treatment (Annealed, Normalized, Q+T) 4. Delivery time: depends on the quantity, in general,after receiving the advance payment, we will make the ...