Below are stock specs — all sizes and grades can be customized. For special material or tolerance, inquire directly.
High-carbon chromium bearing steel with excellent hardenability, hardness and fatigue life — the first choice for rolling bearings and precision drives.
Ø 0.5–100mm, Grade G10–G1000, Hardness HRC 60–66
| Material Std. | GCr15 · AISI 52100 · 100Cr6 · DIN 5401 |
|---|---|
| Diameter | 0.5 mm – 100 mm |
| Grade | G10, G16, G20, G28, G40, G60, G100, G200, G500, G1000 |
| Hardness | HRC 60 – 66 |
| Surface Ra | ≤ 0.025 µm (G10–G40) |
| Applications | Deep Groove Ball BearingsBall ScrewsLinear GuidesPrecision Transmission |
From food-grade austenitic to high-carbon martensitic — covering corrosion-resistance to high-wear all scenarios.
General austenitic, best value
| Material Std. | AISI 304 · X5CrNi18-10 · SUS304 |
|---|---|
| Diameter | 0.5 mm – 50 mm |
| Grade | G10 – G1000 |
| Hardness | HRC 25 – 39 (Annealed) |
| Features | Food GradeCorrosion ResistantWeakly Magnetic |
| Applications | Food MachineryMedical DevicesChemical EquipmentDecoration |
Upgrade for marine & chemical
| Material Std. | AISI 316L · X2CrNiMo17-12-2 |
|---|---|
| Diameter | 0.5 mm – 50 mm |
| Grade | G10 – G1000 |
| Hardness | HRC 25 – 35 |
| Features | Chloride ResistantGood WeldabilityMedical Grade Available |
| Applications | MarineChemical EquipmentMedical Implants |
Rust-resist + hard wearing
| Material Std. | AISI 420 · 2Cr13 · X20Cr13 |
|---|---|
| Diameter | 1.0 mm – 50 mm |
| Grade | G10 – G1000 |
| Hardness | HRC 50 – 55 (Heat Treatable) |
| Features | HardenableModerate Corrosion Resistance |
| Applications | BearingsValvesCutting ToolsWear Parts |
Hardest, most wear-resistant SS
| Material Std. | AISI 440C · 9Cr18 · X105CrMo17 |
|---|---|
| Diameter | 1.0 mm – 50 mm |
| Grade | G10 – G1000 |
| Hardness | HRC 58 – 62 |
| Features | Ultra Wear ResistantHigh Hardness |
| Applications | High Precision BearingsShipbuildingChemical Pumps |
Bags, boxes, drums, vacuum pack; mixed sizes in one container.
Special diameter, grade & finish (polish/passivate) per drawing.
OEM, Certificate of Origin, material & 3rd-party inspection reports.