C45E Hard Chrome Plated Steel Bar
Model: JIS S45C, SAE1045, EN C45E (special specification & material can be supplied upon request.)
Supplier: GOLDEN ASIA INDUSTRIAL CO., LTD.
The C45E hard chrome plated steel bar is primarily used as a piston rod in hydraulic and pneumatic cylinders. Combining reliable mechanical strength, wear resistance, and corrosion resistance, it is one of the most widely used piston rod materials in construction machinery, industrial automation, and general hydraulic systems.
Highlights
- 1. 高強度S45C，符合JIS/SAE/EN國際材料標準 2. 硬鉻層硬度達 HV850以上，大幅提升耐磨性能 3. 表面粗糙度Ra 0.2μm以下，往復運動摩擦低、作動平順 4. 硬鉻層厚度：Φ22.225mm 以下最小15μm，Φ24mm以上最小20μm 5. 耐腐蝕性通過ISO 9227中性鹽霧測試（NSS），Φ20mm以下達R9/72hr，Φ20mm以上達R9/120hr，最高NSS可達1000h R10 6. 尺寸範圍Φ6~255mm（Φ1/4"~Φ10"），標準長度3M~6M，可依需求客製
- 1. High-strength C45E core, compliant with JIS / SAE / EN material standards. 2. Hard chrome layer hardness ≥ HV850, delivering superior wear resistance. 3. Surface roughness ≤ Ra0.2 μm for smooth, low-friction reciprocating motion. 4. Hard chrome thickness: min 15μm for diameters below Φ22.225mm; min 20μm for Φ24mm and above. 5. Straightness: max 0.25mm/1000mm for diameters below Φ20mm; max 0.2mm/1000mm for Φ20mm and above. 6. Corrosion resistance tested to ISO 9227 Neutral Salt Spray (NSS): R9/72hr for Φ<20mm; R9/120hr for Φ≥20mm. C45E Hard Chrome Plated SteelBar Rated Up to R10/1000 h — In-House Salt Spray and CASS Testing Available 7. Size range Φ6–255mm (Φ1/4"–Φ10"), standard length 3M–6M, custom sizes available on request.
Specifications
| External Diameter Accuracy | f7、f8 |
|---|---|
| Surface Hardness | max Ra 0.2μm |
| Hard Chrome Thickness | <Φ22.225mm: min 15 μm ≧Φ24mm: min 20 μm |
| Surface Hardness | min HV 850 |
| Straightness | <Φ20mm: max 0.25/1000mm ≧Φ20mm: max 0.2/1000mm |
| Roundness | tolerance × 1/2 |
| Standard Length | 3M~6M |
| Standard Size | Φ6~255mm（Φ1/4"~Φ10"） |
| Corrosion Resistance(ISO 9227 NSS) | Φ<20mm R9 /72hr NSS Φ≧20mm R9 /120hr NSS |
Technical Features
- 1. 高表面硬度 — 有效延長活塞桿使用壽命，降低磨損故障率 2. 優異耐腐蝕性 — 適合海事、化工、戶外等嚴苛環境長期使用 3. 低摩擦表面 — 減少密封件磨耗，提升系統運作效率 4. 高尺寸精度 — 確保與缸體、密封系統的高度相容性 5. 可自行送檢 — 鹽霧測試（NSS/CASS）可於自有實驗室進行，並可提供第三方檢測報告
- 1. High Surface Hardness — Extends piston rod service life and reduces wear-related failures 2. Excellent Corrosion Resistance — Suitable for long-term use in marine, chemical, and outdoor environments 3. Low-Friction Surface — Reduces seal wear and improves system efficiency 4. High Dimensional Precision — Ensures strong compatibility with cylinder barrels and seal systems 5. In-House Testing — Salt spray testing (NSS/CASS) available in-house; third-party test reports provided on request
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