Hebei Gangxin Technology COMPANY Hebei Gangxin Technology Co., Ltd. It is a professional export company for the manufactures.The mother companies are steel ball and roller plants.The steel ball plant was founded in 1998. It is professional ball manufacturer.We have received ISO 9001.The roller plant was found in 2000. It is professional roller manufacturer. We have received ISO/ TS 16949. Carbon steel ballsCaption:The Applications Light duty bearing, Conveyer belt, Bicycle parts,Automobile parts, Slide bearing,Caster wheels, Computer peripheral products, Toys,Metal milling,Hand tools and etc.Detail: Low Carbon-AISI 1010-1015 -1mm~30mm G16~G1000 Chrome steel balls Caption:The Applications Bearing/Automotive Cosmetics/Construction Body,Jewelry/Heavy Equipment Hunting cartridgeDetail:Chrome steel - GCr15/100Cr6/AISI 52100/SUJ-2 Chemical Composition
| Material | C% | Si% | Mn% | Cr% | Cu% |
| 52100 | 0.98~1.10 | 0.15~0.35 | 0.25~0.45 | 1.30~1.60 | |
| GCr15 | 0.95~1.05 | 0.15~0.35 | 0.25~0.45 | 1.40~1.65 | 0.25 |
| GCr15SiMn | 0.95~1.05 | 0.45~0.75 | 0.95~1.25 | 1.40~1.65 | 0.25 |
| 100Cr6 | 0.93~1.05 | 0.15~0.35 | 0.25~0.45 | 1.35~1.60 | |
| SUJ2 | 0.95 or 1.10 | 0.15 or 0.35 | 0.50 max | 1.30~1.60 | |
Stainless steel ballCaption: The Applications For 300 series Trigger sprayers,Bearings,Dispenser valves, Body jewelry lotion pumps,Aerospace,Quick Disconnect couplings For 400 series Bearing applications,Valve applications, Locking mechanisms,Fasteners,Quick Detail:Stainless steel - AISI 302/304/304L/316/316L -AISI 420/420C/430/440C Chermical Composition
| AISINumber | C% | Si% | Mn% | Cr% | Ni% | Mo% | P% | S% | property |
| AISI 304 | 0.07MAX | 1.00MAX | 2.00MAX | 17.0~19.0 | 8.0~10.5 | | 0.045MAX | 0.03MAX | Slightly magnetic,flat surface HRC 25min. |
| AISI 316 | 0.07MAX | 1.00MAX | 2.00MAX | 16.5~18.5 | 10.5~13.5 | 2.00~2.50 | 0.045MAX | 0.03MAX | Better corrosion resistance than SS304 specially against Sulfuricacid and ink/bleach/nitric |
| AISI 420 | 0.07~0.25 | 1.00MAX | 1.00MAX | 12.0~14.0 | | | 0.045MAX | 0.03MAX | flat surface HRC 50min,better corrosion resistant |
| AISI 430 | 0.08MAX | 1.00MAX | 1.00MAX | 15.5~17.5 | | | 0.045MAX | 0.03MAX | Ferritic stainless steel,better corrosion resistant than 3series at higher temperature |
| AISI 440 | 0.95~1.20 | 1.00MAX | 1.00MAX | 16.0~18.0 | | | 0.045MAX | 0.02MAX | Martensite,fair corrosion to water,alcohol,oil and food product. |
