| Material | Austenitic stainless steel:201, 303, 304, 316, 316L, 1.4581, SCS14, SCS16 Alloy cast steel:4140, 4150, 4340, 8620, GS-25GrMo4 Hardening stainless steel:17-4PH, 410, 420, 440C Cast alloy tool steel:CS-2, CS-7, CrWmn Carbon steel:1020, 1025(WCB), 1030, 1040, 1045, 1050 |
| Weight | 2g-550g |
| Accuracy class | T4-CT7 |
| Surface roughness | Up to Ra1.6~Ra6.3 |
| Minimum thickness | 2mm(1mm or small area) |
| Tolerance | Outer radius≥0.3mm, inner fillet≥0.5mm |
| Longest blind hole(diameter 10mm) | 30mm |
| Machining | Turning milling, drilling, boring, threading, grinding machine, CNC/NC machining and test facilities |
| Heat treatment | Anneal, quenching, normalizing, carburizing, solution |
| surface treatment | Zin coating, black oxide, black painting, power painting, mirror polish, satin polish etc. |
| Applied standard | ASTM, ICI, BS, DIN, JIS, ISO |
| Material | Austenitic stainless steel:201, 303, 304, 316, 316L, 1.4581, SCS14, SCS16 Alloy cast steel:4140, 4150, 4340, 8620, GS-25GrMo4 Hardening stainless steel:17-4PH, 410, 420, 440C Cast alloy tool steel:CS-2, CS-7, CrWmn Carbon steel:1020, 1025(WCB), 1030, 1040, 1045, 1050 |
| Weight | 2g-550g |
| Accuracy class | T4-CT7 |
| Surface roughness | Up to Ra1.6~Ra6.3 |
| Minimum thickness | 2mm(1mm or small area) |
| Tolerance | Outer radius≥0.3mm, inner fillet≥0.5mm |
| Longest blind hole(diameter 10mm) | 30mm |
| Machining | Turning milling, drilling, boring, threading, grinding machine, CNC/NC machining and test facilities |
| Heat treatment | Anneal, quenching, normalizing, carburizing, solution |
| surface treatment | Zin coating, black oxide, black painting, power painting, mirror polish, satin polish etc. |
| Applied standard | ASTM, ICI, BS, DIN, JIS, ISO |
Gaomi Gongji Presise Metal Co., Ltd is one of the Chinese biggest precision casting and precast concrete accessories engineering companies.
Gongji Metal since its establishment, special and professional commitment to the lost wax investment castings and the construction hardware of the precast concrete industry.
Gongji Metal has advanced production equipment, well-equipped testing facilities, strong technical force, perfect management and high-quality assurance system.
Our company has more than one hundred employees with professional skills. We are trained with regularity, experienced workforce, and excellent and full-range pre - sales, , sales, and after-sales services.
Our main products are engineering machinery casting products, precast concrete lifting fixing anchors., valves, pumps, auto and trucks, hardware and so on.
Our products are extensively used in construction, Automobiles, Marines, Railways, Medical industries, with a wide range, good quality, reasonable prices and humanized designs.
We put it the first place by pursuit of the perfect quality of all our products, and provide full solutions for each of our customers.
Welcome all friends around the world to our company and build long term win-win successful cooperation soon.
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