Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
| Material | SUS316 stainless steel |
| Alloy Composition | 18-10 chromium-nickel with 2-3% molybdenum |
| Tensile Strength | 580-750 MPa |
| Yield Strength | ≥205 MPa |
| Axial Preload | 5-500 N |
| Temperature Range | -270°C to 450°C |
| Salt Spray Resistance | 1,000+ hours (ASTM B117) |
| Acetic Acid Resistance | 500+ hours (ASTM G85) |
| Sulfuric Acid Resistance | ≤10% concentration |
| Wave Profile Peaks | 3-16 peaks |
| Thickness Range | 0.2-3mm |
| Dimensional Tolerance | ±0.02mm |
| Heat Treatment | 1050°C solution annealing + water quenching |
| Dacromet Coating Thickness | 5-8μm |
| Zinc Plating Thickness | 8-12μm |
| Multi-layer Load Capacity | up to 1,000 N |
| Minimum Axial Height | 3mm |
| Fatigue Life | 10⁶ cycles at 70% rated load |
| Corrosion Resistance | 1,500+ hours salt spray (with Dacromet) |
| Wear Resistance Improvement | 35% (with mechanical zinc plating) |
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
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Product Specification
| Material | SUS316 stainless steel | Alloy Composition | 18-10 chromium-nickel with 2-3% molybdenum |
| Tensile Strength | 580-750 MPa | Yield Strength | ≥205 MPa |
| Axial Preload | 5-500 N | Temperature Range | -270°C to 450°C |
| Salt Spray Resistance | 1,000+ hours (ASTM B117) | Acetic Acid Resistance | 500+ hours (ASTM G85) |
| Sulfuric Acid Resistance | ≤10% concentration | Wave Profile Peaks | 3-16 peaks |
| Thickness Range | 0.2-3mm | Dimensional Tolerance | ±0.02mm |
| Heat Treatment | 1050°C solution annealing + water quenching | Dacromet Coating Thickness | 5-8μm |
| Zinc Plating Thickness | 8-12μm | Multi-layer Load Capacity | up to 1,000 N |
| Minimum Axial Height | 3mm | Fatigue Life | 10⁶ cycles at 70% rated load |
| Corrosion Resistance | 1,500+ hours salt spray (with Dacromet) | Wear Resistance Improvement | 35% (with mechanical zinc plating) |
| Packaging Details | Carton | Delivery Time | Negotiable |
| Payment Terms | Negotiable | Place of Origin | Sihong, China |
| Brand Name | Sunzo | Certification | CE/IATF16949/45001/14001/9001 |
| High Light | dacromet wave spring ，dacromet waved spring ，mechanical wave spring | ||
SUS316 stainless steel—an 18-10 chromium-nickel alloy with 2-3% molybdenum—forms the core of this high-performance waved spring. The molybdenum addition creates a dense passive oxide layer (Cr₂O₃) that resists pitting, crevice corrosion, and chloride-induced stress cracking, outperforming SUS304 by 300% in marine and chemical environments.
Withstands 1,000+ hours of neutral salt spray (ASTM B117) and 500+ hours of acetic acid salt spray (ASTM G85), ideal for:
Resists aggressive media including sulfuric acid (≤10% concentration), sodium chloride brines, and organic solvents, critical for:
CNC-formed wave profiles (3-16 peaks, 0.2-3mm thickness) with ±0.02mm dimensional tolerance, validated via 3D optical scanning. Heat treatment (1050°C solution annealing + water quenching) optimizes grain structure for corrosion resistance.
Non-standard designs include multi-layer stacks for high-load scenarios (up to 1,000 N) and tapered waveforms for space-constrained assemblies (minimum axial height 3mm).
Full mill test reports (MTR per EN 10204 3.1) and batch-level spectrometric analysis ensure alloy consistency.
Complies with ASTM A276, ISO 10243, and AS9100D, meeting marine (ABS, DNV) and chemical (API 6A) standards.
Our engineering team provides end-to-end assistance:
Would you like to expand on SUS316 vs. duplex stainless steel performance comparisons or specific marine application case studies (e.g., offshore wind turbine hydraulic systems)?
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2006
Total Annual:
1.2M-1.4M
Employee Number:
160~200
Ecer Certification：
Verified Supplier
Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. is a mixed-ownership enterprise established with the participation of China National Nuclear Corporation. The R&D center is located in Nanjing, Jiangsu, while the production base is situat... Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. is a mixed-ownership enterprise established with the participation of China National Nuclear Corporation. The R&D center is located in Nanjing, Jiangsu, while the production base is situat...
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