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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.
Chemical composition
|
Grade |
Chemical composition % |
||||||||||
|
C |
Yes |
Mn |
P |
S |
Cr |
Mo |
Ni |
Cu |
Al |
V |
|
|
4145HMOD |
0.42 ～ 0.49 |
0.15–0.35 |
1.00–1.25 |
≤0.025 |
≤0.025 |
1.00–1.35 |
0.30-0.35 |
≤0.25 |
≤0.35 |
≤0.05 |
0.03–0.08 |
|
Permissible deviation |
±0.02 |
±0.02 |
±0.04 |
±0.005 |
±0.03 |
±0.03 |
±0.02 |
±0.03 |
±0.03 |
±0.01 |
±0.01 |
Mechanical properties
|
Yield Strength R1 |
Tensile strength Rm |
Elongation A% |
Shrinkage rate Z% |
Brinell hardness |
Charpy impact energy |
|||
|
MPa |
Psi |
MPa |
Psi |
J |
||||
|
20℃ |
-20℃ |
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|
≥758 |
≥110000 |
≥965 |
≥140000 |
≥13 |
≥45 |
≥285–341 |
≥54 |
≥30 |
Keywords:
Light blank stabilizer
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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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