What is the Relation Between HB and HRC?
In the manufacturing of high-performance carbon steel pipe fittings, “hardness” is more than just a number—it is a critical indicator of tensile strength, wear resistance,


Why choose us
We are a leading pipe fitting manufacturer providing high-performance elbows, tees, reducers, and flanges for high-pressure and corrosive environments. Beyond standard products, we excel in OEM/ODM solutions through advanced CNC turning services. From custom-machined components to intricate CNC turning parts in stainless steel, carbon steel, or brass, we deliver precision-tailored solutions based on your specific technical blueprints.
We utilize premium grade carbon steel for high-strength CNC turning parts. Ideal for heavy-duty components in hydraulic system and automotive industries, offering excellent durability and cost-efficiency.
Specializing in CNC machining of various stainless steel grades (e.g., SS304, SS316). Our stainless steel pipe fittings offer superior corrosion resistance and a high-precision finish, perfect for medical, marine, and food-processing applications.
Custom brass CNC parts with excellent electrical conductivity and corrosion resistance. Our precision brass components are widely used in plumbing, electrical connectors, and decorative hardware.
| Equipment Name | Quantity | Key Function |
| High-Precision CNC Lathe Machines | 60 | CNC Machinery various pipe fittings |
| Truss Robots (Gantry Robots) | 15 | 24/7 Automated Production & Loading for steel fittings ,aluminum fittings,brass fittings. |
| Automatic Lathes | 6 | High-Speed Mass Production for small cnc metal parts |
| Drilling Machines | 6 | Rough drill for metal fittings |
| Punching Machines / Power Presses | 3 |
Metal Forming & Stamping for carbon steel pipe fittings ,stainless steel pipe fittings |
| Sandblasting / Shot Blasting Machines | 1 | Surface Cleaning & Finishing for carbon steel fittings |
| Sawing Machines / Band Saws | 3 | Raw Material Cutting for bar ,tube material for cnc metal parts |
| Tapping Machines | 5 | High-Accuracy Internal Threading |
| Grinding Machines | 1 | Ultra-Smooth Surface Finishing for cnc lathe parts,shafts and rods. |
In the manufacturing of high-performance carbon steel pipe fittings, “hardness” is more than just a number—it is a critical indicator of tensile strength, wear resistance,

Yuhuan Hongqian Machinery Co., Ltd. is a leading manufacturer specializing in high-quality pipe fittings across a wide range of materials. In our industry, the ability

When buyers search for stainless steel pipe fittings,they will not onl consider about costs, also consider the company management for products quality .Especially when they