Product Details
Please read the samples carefully before procurement and select suitable products
Step 1: Material Selection
Step 2: Heat Treatment Selection
Step 3: Surface Treatment Selection
Scope of Technical Requirements
Finished Shaft Machining: Provide drawings for machining according to drawings
Step 1: Material Selection
| GB | ASTM/SAE | JIS | DIN | EN |
| 45# Steel | 1045 | S45C | C45 / CK45 | C45E / 1.0503 |
| CF53 | 1050 | S50C | CF53 | C50E / 1.1206 |
| 40Cr | 5140 | SCr440 | 40Cr4 | 41Cr4 / 1.7035 |
| 42CrMo | 4140 | SCM440 | 42CrMo4 | 42CrMo4 / 1.7225 |
| 16Mn(Q345B) | A572 Gr.50 | SM490 | St52-3 | S355JR / 1.0570 |
| 20MnV6 | 1524 | - | 20MnV6 | 20MnV6 / 1.5217 |
| GCr15 | 52100 | SUJ2 | 100Cr6 | 100Cr6 / 1.3505 |
| 60Si2Mn | 9260 | SUP6 | 60SiMn5 | 60SiMn5 / 1.0908 |
| Material Grade | Chemical Composition (wt%) | ||||||
| C | Si | Mn | Cr | Mo | V | P≤/S≤ | |
| 45# Steel | 0.42～0.50 | 0.17～0.37 | 0.50～0.80 | - | - | - | 0.040/0.040 |
| CF53 | 0.50～0.57 | 0.15～0.35 | 0.60～0.90 | - | - | - | 0.035/0.035 |
| 40Cr | 0.37～0.44 | 0.17～0.37 | 0.50～0.80 | 0.80～1.10 | - | - | 0.040/0.040 |
| 42CrMo | 0.38～0.45 | 0.17～0.37 | 0.50～0.80 | 0.90～1.20 | 0.15～0.25 | - | 0.040/0.040 |
| 16Mn | 0.12～0.20 | 0.20～0.55 | 1.20～1.60 | - | - | - | 0.035/0.035 |
| 20MnV6 | 0.17～0.23 | 0.15～0.35 | 1.40～1.80 | - | - | 0.10～0.20 | 0.035/0.035 |
| GCr15 | 0.95～1.05 | 0.15～0.35 | 0.25～0.45 | 1.40～1.65 | - | - | 0.025/0.025 |
| 60Si2Mn | 0.56～0.64 | 1.50～2.00 | 0.60～0.90 | - | - | - | 0.035/0.035 |
Step 2: Heat Treatment Selection
| Heat Treatment Condition | |
| Normal | Normal |
| Quenched and Tempered (Quenching + Tempering) | Quench + Temper (Q+T) |
| Quenching (Induction Hardening) | Induction Hardening |
| Quenched & Tempered + Quenching (Induction Hardening) | QT + Induction Hardening |
| Material Grade | Surface Hardness After Induction Hardening |
| 45# Steel | HRC 58 ± 3 |
| CF53 | HRC > 60 |
| 40Cr | HRC 58 ± 3 |
| 42CrMo | HRC 58 ± 3 |
| GCr15 | HRC > 60 |
| 20MnV6 | HRC 48 ± 3 |
| Material Grade | Mechanical Properties without Heat Treatment | |||
| Tensile Strength Rm ≥(Mpa) | Yield Strength Rp0.2 ≥(Mpa) | Elongation after Fracture A ≥(%) | Blank Hardness (HB) | |
| 45# Steel | 600 | 355 | 16 | 170～220 |
| CF53 | 630 | 370 | 14 | 180～235 |
| 40Cr | 650 | 400 | 14 | 185～230 |
| 42CrMo | 700 | 450 | 12 | 200～245 |
| 16Mn (Q345B) | 470～630 | 345 | 21 | 140～180 |
| 20MnV6 | 600 | 380 | 18 | 165～210 |
| GCr15 | 650 | 390 | 12 | 170～207 |
| 60Si2Mn | 750 | 480 | 10 | 210～255 |
| Material Grade | Mechanical Properties after Heat Treatment | ||||
| Heat Treatment Condition | Tensile Strength Rm (Mpa) | Yield Strength Rp0.2 ≥ (Mpa) | Elongation after Fracture A ≥ (%) | Hardness (HB) | |
| 45# Steel | Quenched and Tempered (Quenching + Tempering) | 650–850 | 430–550 | 10–15 | 220–260 |
| CF53 | Quenched and Tempered (Quenching + Tempering) | 700–900 | 480–600 | 9–14 | 230–270 |
| 40Cr | Quenched and Tempered (Quenching + Tempering) | 800–1000 | 600–800 | 9–12 | 240–280 |
| 42CrMo | Quenched and Tempered (Quenching + Tempering) | 900–1100 | 750–900 | 10–15 | 260–300 |
| 16Mn (Q345B) | Normalizing / Hot Rolling | 470–630 | 345 | 21 | 140–180 |
| 20MnV6 | Quenched and Tempered (Quenching + Tempering) | 700–900 | 500–700 | 12–16 | 200–250 |
| GCr15 | Spheroidizing Annealing / Quenched and Tempered | 800–1000 | 550–700 | 8–12 | 190–230 |
| 60Si2Mn | Quenched and Tempered (Quenching + Tempering) | 900–1100 | 700–900 | 6–10 | 240–280 |
Step 3: Surface Treatment Selection
| Surface Treatment Method | Chrome Plating |
| Nickel Plating | |
| Nickel Plating + Chrome Plating | |
| Laser Cladding | |
| HVOF | |
| Nitriding |
Scope of Technical Requirements
| Diameter Range | Straightness | Chrome Thickness | Nickel Thickness | Standard Length | Chrome Layer Hardness | Diameter Tolerance | Roundness | Surface Roughness |
| 3<Φ≤25 | 0.15 mm/m | Φ≤25mm: Min 15µm | Φ≤25mm: Min 10µm | 2 m, 3 m | HV 850–1050 |
High Precision: g6, h6 Standard: f7, f8, h7, h8 |
≤ 1/2 Diameter Tolerance | Ra ≤ 0.2 μm |
| 25<Φ≤40 | 0.10 mm/m | Φ>25mm:Min 20µm | Φ>25mm:Min 15µm | 3 m, 6 m, 7.5 m | ||||
| 40<Φ≤80 | 0.10 mm/m | |||||||
| 80<Φ≤150 | 0.05 mm/m | |||||||
| 150<Φ≤200 | 0.05 mm/m | |||||||
| 200<Φ≤300 | 0.05 mm/m | |||||||
| Φ>300 | 0.05 mm/m |
Finished Shaft Machining: Provide drawings for machining according to drawings
