DALLAST supply good quality hard chrome bar, chrome plated rod, Quench—Polish-- Quench piston rod, available material you can choose or as your required.
Features
●We have experienced technology engineers and skilled workers and provide you with high quality and efficient products. The most advanced inspector to ensure the quality.
●We have advanced equipment: Cold drawing machine, honing machine, skiving & roller burnishing machine, centerless grinding machine, straightening machine, polishing machine, etc.
●Fast and timely delivery. Speedily & professional best after-sale service
Technical Specification
| Material | CK45, 1045, 4140, 4340, JIS 45C, 40Cr, 42CrMo, 20MnV6, SS431, SS430, Duplex2205, Stainless steel 304/316, etc. |
Diameters | Φ6-800mm |
Length | MAX. 16 meter or as the customers requirement |
Tolerance | ISO f7/h8/g6 |
Chrome thickness | 20μm(min) |
Hardness of the chrome layer | ＞=850HV(min) |
Roughness | Ra 0.2μm(max) |
Straightness | <=0.2/1000mm |
Packing | Anti-rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden case. |
Wind Turbine Shaft | 42CrMo4, 34CrNiMo6 |
Marine Shaft | C-Mn steel |
Hydro Turbine Shaft | 20SiMn |
Roller Shaft | 70Cr3Mo; 9Cr2Mo; MC1; MC2; MC3 |
Gear Shaft | 17CrNiMo6; 18CrNiMo7-6; 20CrNi2Mo; 42CrMo; 47CrNiMo6, |
Gear | 17CrNiMo6; 18CrNiMo7-6; 20CrNi2Mo; 42CrMo; 47CrNiMo6, |
Pressure Vessel Forgings | SA105, SA350 LF2, 16Mn, 20MnMo, 15MnMo, 12Cr2Mo1, |
Ring Rolling | 16Mn, 50Mn, 42CrMo, 15MnV, 35CrMo, A105, 20#, 304, |
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