Explore hongqian premium material selection for custom pipe fittings. We combine advanced CNC turning, cold heading, and hot forging processes to deliver superior cnc components across stainless steel, carbon steel, aluminum, and brass.
Stainless Steel: The Corrosion-Resistant Specialist High-precision SS304/316 components. The ideal cost-effective alternative to brass, offering superior durability in harsh environments.
Carbon Steel: High-Strength & Cost-Efficient Optimized for heavy-duty industrial applications. We utilize Cold Heading and CNC turning to provide maximum strength at competitive prices.
Aluminum Alloys: Lightweight & Precision Finishing Perfect for complex geometries. AL6061/7075 grades with premium surface treatments for aerospace and automation industries.
Brass & Custom Alloys: Traditional Reliability Reliable performance for electrical and fluid applications where high conductivity and specific machinability are required.
| China (GB) | USA (AISI/ASTM) | Europe (EN/DIN) | Japan (JIS) |
| 08F / 08 | 1006 / 1008 | C10 | S09CK / S9CK |
| Q195 | ASTM A285 Gr.B | S185 | — |
| Q215 | ASTM A283 Gr.C | USt34-2 | SS330 |
| Q235 | ASTM A570 | S235JR | SS400 |
| 10# | AISI 1010 | C10 / CK10 | S10C |
| 15# | AISI 1015 | C15 / CK15 | S15C |
| 20# | AISI 1020 | C22E / CK22 | S20C |
| Category | USA (AISI) | China (GB) | Europe (EN/DIN) | Japan (JIS) |
| Medium Carbon | 1025 | 25# | C25E / CK25 | S25C |
| Medium Carbon | 1030 | 30# | C30E | S30C |
| Medium Carbon | 1035 | 35# | C35E / CK35 | S35C |
| Medium Carbon | 1040 | 40# | C40E | S40C |
| Medium Carbon | 1045 | 45# | C45E / CK45 | S45C |
| Medium Carbon | 1050 | 50# | C50E / CK53 | S50C |
| Category | USA (AISI) | China (GB) | Europe (EN/DIN) | Japan (JIS) |
| High Carbon | 1055 | 55# | C55E / CK55 | S55C |
| High Carbon | 1060 | 60# | C60E / CK60 | S58C / S60C |
| High Carbon | 1065 | 65# | Ck67 | — |
| Category | USA (AISI/SAE) | China (GB) | Europe (DIN/EN) | Japan (JIS) |
| Chrome Steel | 5120 | 20Cr | 20Cr4 | SCr420 |
| Chrome Steel | 5140 | 40Cr | 41Cr4 | SCr440 |
| Cr-Mo Steel | 4135 | 35CrMo | 34CrMo4 | SCM435 |
| Cr-Mo Steel | 4140 | 42CrMo | 42CrMo4 | SCM440 |
| Ni-Cr-Mo Steel | 4340 | 40CrNiMoA | 36CrNiMo4 | SNCM439 |
| China (GB) | USA (AISI/SAE) | Europe (DIN/EN) | Japan (JIS) |
| Y12 | 1211 | 10S20 | SUM12 |
| Y12Pb | 12L13 | 10SPb20 | SUM22L |
| Y15 | 1213 | 11SMn28 | SUM22 |
| Y15Pb | 12L14 | 11SMnPb28 | SUM24L |
| Y20 | 1117 | 22S20 | SUM31 |
| Y30 | 1132 | 1C30 | — |
| Y35 | 1137 | 1C35 | SUM41 |
We specialize in the manufacturing of precision machined custom cnc pipe fittings using a variety of materials including carbon steel, stainless steel, aluminum, and brass.