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Material | Cr12 /Cr12Mov/SKD11/D2/D3 |
Produced Size | Φ8(mm)-Φ273(mm) |
Hardness | HRC 58-62 degrees |
Model | HC |



1 | Workshop, foundation construction |
2 | Electric appliance work, civil engineering and necessary materials. |
3 | Electric connection wires and cables ,pipes(including connectors) from Power supply, air supply,water supply and hydraulic station to equipment(control table, button station) of the production line |
4 | Auxiliary machine :for example lifting equipment,air compressor,air storage tank, water pump,high pressure pumps for pipe welding machine cooling,cooling water pools for pipe welding machine and high frequency electric equipment, volume 35m3 with water pipe,water pressure |
5 | The “Copra software” and the “FEA” simulation. |

Quantity(Sets) | 1 - 10 | >10 |
Est. Time(days) | 30 | To be negotiated |







Pipe Type | Specification(mm) | Tolerance Range | Hardness |
Round Pipe | φ5~325 | Roundness+/-0.05 | HRC63~65 |
Square Pipe | F10×10~F300×300 | Flatness+/-0.04 | HRC63~65 |
Rectangle Pipe | F10×20~F120×60 | Flatness+/-0.04 | HRC63~65 |
NO. | Material Science | Varieties |
1 | Cr12Mov | Dongbei special steel Cr12MOV/Daye special steel Cr12Mov |
2 | SKD11 | Daye Special steel SKD11/Taiwan SKD11/Japan SKD11 |
3 | D2 | Daye special steel D2/Taiwan D2 |
NO. | Treatment method | Roller HRC |
1 | Vacum Heat Treatment | HRC61-63 |
2 | Vacum gas quenching and minus 200°C degrees, cooling, tempering, to improve the hardness. | HRC63-65 |



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