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 - - -