The Steel Billet, Round Bar and Deformed Bar, we now can produce four specifications: Q235, 20MnSi, 25MnSi,25MnSiV. Brief element content is as follow: 25MnSi acc. to GB1499-91, C: 0.2-0.3%, Si: 0.6-1.0%, Mn: 1.2-1.6%, P: 0.045%MAX, S: 0.045%MAX Cr: 0.3%MAX Cu: 0.3%MAX Ni: 0.3%MAX 25MnSiV C: 0.23-0.30%, Si: 0.30-0.50%, Mn: 1.30-1.55%, P: 0.045%MAX, S: 0.045%MAX V: 0.04-0.08% Cr: 0.3%MAX Cu: 0.3%MAX Ni: 0.3%MAX 20MnSi: C: 0.17~0.25%, Si: 0.40~0.80% Mn: 1.20~1.60% P: 0.045% MAX S: 0.045% MAX Cr: 0.3%MAX Cu: 0.3%MAX Ni: 0.3%MAX Q235 C: 0.14~0.22% Si: 0.30%max Mn: 0.30~0.80% P: 0.045% max S: 0.05% max Cr: 0.3%MAX Cu: 0.3%MAX Ni: 0.3%MAX The Size available at present: Steel Billet 120mm*120mm*12m max 150mm*150mm*12m max 160mm*160mm*12m max 230mm*340mm*12m max 250mm*250mm*12m max Deformed Bar ∮12mm*12m max ∮14mm*12m max ∮16mm*12m max ∮20mm*12m max ∮25mm*12m max Round Bar ∮16mm*12m max ∮20mm*12m max ∮22mm*12m max ∮25mm*12m max ∮28mm*12m max