Rod alloy steel

Commodity: Hot rolled alloy steel bar 1. Material S45CB; S20CB; SCM440; SCM440; 20CrMnTi; SAE8620; SAE8620H; SCr440; SAE9254; 40CrNiMo. 2. Usage Gear; sleeve; shaft; pin; standard; furniture manufacturing; fasteners; auto parts; hardware; machinery manufacturing; etc. 3. Size Diameter: 12mm-300mm. 4. Material chemical composition Steel grade - C - Mn - S - P - Si - Cr - Cu - Ni S45CB - 0.42～0.50 - 0.50～0.80 - ≤0.035 - ≤0.035 - 0.17～0.37 - ≤0.25 - ≤0.25 - ≤0.30 S20CB - 0.17～0.23 - 0.35～0.65 - ≤0.035 - ≤0.035 - 0.17～0.37 - ≤0.25 - ≤0.25 - ≤0.30 SAE8620 - 0.18～0.23 - 0.70～0.90 - ≤0.040 - ≤0.035 - 0.15～0.35 - 0.4～0.6 - - 0.4～0.7 SAE9254 - 0.51～0.59 - 0.60～0.80 - ≤0.040 - ≤0.035 - 1.20～1.60 - 0.60～0.80 - - SCr440 - 0.38～0.43 - 0.60～0.90 - ≤0.030 - ≤0.030 - 0.15～0.35 - 0.90-1.20 - ≤0.030 - ≤0.25 Commodity: Forged alloy steel bar 1. Material CK45; SAE8620; 40CrNiMo; 20CrNiMo; 40Cr; SCr440; GCr15; SAE52100 etc. 2. Usage Ship machinery; mechanical equipment; car bearing; drive shaft; mining machinery; construction machinery; petroleum machinery; precision machine tools; textile machinery etc. 3. Size Diameter: 150mm-1000mm。 4. Material chemical composition Steel grade - C - Mn - S - P - Si - Cr - Cu - Ni SAE8620 - 0.18～0.23 - 0.70～0.90 - ≤0.040 - ≤0.035 - 0.15～0.35 - 0.40～0.60 - - 0.40～0.70 CK45 - 0.42～0.50 - 0.50～0.80 - ≤0.035 - ≤0.035 - 0.17～0.37 - - -