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About UsHenan Zhongyuan Heavy Forging Co., Ltd. (HHF) is a high-tech enterprise. It comprises five production subsidiaries—forging, heat treatment, petroleum equipment, machining, and electroslag remelting—as well as a provincial-level engineering technology research center for petroleum drill stabilizers, a physicochemical laboratory, and a municipal-level technology R&D center.
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Product CenterThe company manufactures drill collars, non-magnetic drill collars, drill pipes, non-magnetic drill pipes, oilfield drill rods, mining drill rods, reamers, pump heads, as well as various wheel axles, ship propeller shafts, steam turbine shafts, motor shafts, and cast pipe molds.
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News CenterWe provide you with a wide range of industry news, product insights, and more, helping you stay abreast of market trends and keep pace with the pulse of the industry.
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Service SupportOur company’s products are highly trusted and well-received by customers thanks to their superior quality, competitive pricing, solid reputation, and comprehensive after-sales service.
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Contact UsCrafted with meticulous attention to detail, the stabilizer is a one-stop intelligent manufacturing solution for large forged components.
Product Technical Parameters
| Product Name | Specification (mm) | Material | Note |
| Steel -forged working rollers for cold rolling | Φ60- Φ800 | 9Cr2MoR, 86CrMoV7, Mc3, Mc5, etc. | GB/T13314-91 GB/T15547-1995 etc |
| Steel -forged middle rollers for cold rolling | Diameter ≤ Φ800 | 9Cr2MoR, Mc3, Mc5, etc. | |
| Steel -forged supporting rollers for cold rolling | Φ240- Φ900 | 70Cr3MoR, 9Cr2MoR, 86CrMoV7, Mc3, Mc5, etc. | GB/T13314-91 GB/T15547-1995 etc |
| Steel -forged rollers for hot rolling | Diameter ≤ Φ800 | 60CrMo, 60CrMnMo, 50CrMnMo, 60CrNiMo, 70Cr3Mo | GB/T3733-93 |
| Straightening roller | Φ65–Φ850 Length ≤ 12,000 | 60CrMOV, H13, 80CrMoV, etc. | |
| Pipe-kind Parts | Outer diameter (OD) ≤ Φ1200 Inner diameter (ID) ≤ Φ1000 Length ≤ 9500 | Various alloy structural steels Alloy structure steels Carbon structural steels Carbon structure steels Alloy tool and die steels Alloy tool & model steels | All kinds of heavy wall hollow pipe , high pressure boiler pipe , etc |
| Shafts- kind Parts | Diameter ≤ Φ1200 Length ≤ 14,000 Weight ≤ 20 t | Various alloy structural steels Alloy structure steels Carbon structural steels Carbon structure steels Alloy tool and die steels Alloy tool & model steels | All kinds of multidiameter shafts and lead screw.etc |
Keywords:
Roller
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Engaged in the research and development, manufacturing, sales, and service of petroleum equipment and large-scale precision forgings.
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