Hinge and frame wire for eyeglasses




Shanghai Creation Group Co., Ltd. is a benchmark enterprise in the domestic cold heading wire industry. The production management team has an average of over 20 years of industry experience. Most cooperative customers are Tier-1 suppliers to global automotive manufacturers. All raw materials are sourced from well-known domestic steel mills. All production orders are 100% traceable.

Advantages of Shaped Wire
- Meets customized customer requirements, suitable for components with complex geometries
- Simplifies machining procedures and shortens processing cycles
- -: Reduces material waste, saving over 50% in material consumption
- -: Doubles the mechanical properties of the product
- -: Improves processing yield rate
- -: Enables lightweight production


Industries Served
- -: Automotive and transportation industry
- -: Construction and building materials industry
- -: Machinery and equipment industry
- -: Other industries

Wire rod coils

Pickling & phosphating and soap coating

Drawing

Spheroidizing annealing

Inspection

Finished product
1. Available material list
Available material list
| Applications | Material No. | DIN EN ISO | ASTM/AISI | JIS |
| 1.0304 | AISI 1008 | SWRM 8 | ||
| 1.031 | AISI 1010 | SWRM 10 | ||
| 1.0541 | AISI 1040 | SWRH 42A | ||
| 1.0517 | AISI 1045 | SWRH 47A | ||
| 1.0609 | SWRH 57A | |||
| 1.0611 | SWRH 62A | |||
| 1.0620 | SWRH 77B | |||
| 1.0626 | SWRH 82A | |||
| 1.0737 | AISI 12L14 | SUM24L | ||
| 1.0762 | AISI 1144 | SUM43 | ||
| 1.7243 | SAE 4118 | SCM415 | ||
| 1.7220 | SAE 4135 | SCM435 | ||
| 1.7225 | 42CrMo4 | SAE 4140 | SCM440 | |
| 1.6523 | 20CrNiMo2-2 | SAE 8620 | SNCM220 | |
| 1.8159 | 51CrV4 | SAE 6150 | SUP10 | |
| 1.7104 | SAE 9254 | SUP12 | ||
| 1.2067 | 100Cr6 | SAE 52100 | SUJ2 | |
| Structural steel | 1.0038 | S235JR | 1015 | SS330 |
| 1.0577 | S355J2 | A738 | ||
| 1.0050 | E295 | S490 | ||
| 1.0060 | E335 | SM570 | ||
| Free-cutting steel | 1.0715 | 11SMn30 | 1213、1215 | SUM22 |
| 1.0718 | 11SMnPb30 | 12L13 | SUM22L | |
| 1.0726 | 35S20 | 1140 | ||
| 1.0727 | 46S20 | 1146 | ||
| Heat-treatable steel | 1.0503 | C45 | 1043、1045 | S45CM,S45C |
| 1.0601 | C60 | 1060 | S60CM,S60C | |
| 1.7218 | 25CrMo4 | 4130 | SCM430 | |
| 1.7225 | 42CrMo4 | 4140 | SCM440 | |
| Roller bearing steel and tool steel | 1.7792 | 58CrMoV4 | ||
| 1.3505 | 100Cr6 | E52100 | SUJ2 | |
| 1.1213 | C53G | 1050、1055 | S50CM,S50C | |
| 1.2842 | 90MnCrV8 | A681 | ||
| 1.7177 | 60Cr3 | |||
| 1.8159 | 51CrV4 | 6145 | SUP10 | |
| Case-hardening steel and nitriding steel | 1.0401 | C15 | 1015、1017 | S15C |
| 1.7131 | 16MnCr5 | 5115 | ||
| 1.5918 | 17CrNi6-6 | |||
| 1.5920 | 18CrNi8 | |||
| 1.6523 | 20CrNiMo2-2 | 8617\8620 | SNCM220 | |
| 1.2764 | X19NiCrMo4 | |||
| 1.5752 | 15NiCr13 | 3310 | SNC815 | |
| 1.8519 | 31CrMoV9 |
2. Surface quality
2.1 Hot-rolled profiles
Surface roughness: Ra < 40 microns
Dimensional tolerance: max. 0.5 mm
Straightness: standard ≤ 1.0 mm/m; on request < 0.3 mm/m
Twist: Standard 1/m; upon request ≤ 0.5/m
Cross-section: 10mm - 7000mm
Length: ≤ 12 m or cut to fixed lengths
2.2 Cold-rolled/cold-drawn profiles
Surface roughness: Ra ≤ 2.5 microns
Decarburization: ≤ 0.1mm
Straightness: ≤ 0.1mm/m
Twist: 0.25°/m
Dimensional tolerance: ≤ 0.05mm
Cross-section: 1mm - 3800mm
Length: ≤ 6 m or cut to fixed length

Visual inspection - acid pickling

Visual inspection - on-site

Cold upsetting test - upset specimen

Metallographic examination - 100x magnification

Metallographic examination - 500x magnification

Metallographic examination - Keyence metallographic microscope

Mechanical property testing - tensile test

Hardness Test - HRC (Rockwell)

Hardness Test - HRB

Hardness Test - HV (Vickers)

Chemical Composition - Spectrometer Image

Coating Test - SEM Image

Dimensions - Micrometer

Cross-Sectional Shape Inspection

Corrosion Resistance Test





