Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
ConsentDo not consent
Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You！
Your requirement has been sent. we will contact you quickly!
{"title":"Corrosion Resistant Steel Compression Springs 316L Helical Extension Spring","imgUrl":"https:\/\/img.chinax.com\/nimg\/f8\/40\/550b55ed602f024890fb4f4f3afd-200x200-1\/corrosion_resistant_steel_compression_springs_316l_helical_extension_spring.jpg","attrs":{"Place of Origin":"Sihong, China","Brand Name":"Sunzo","Certification":"CE\/IATF16949\/45001\/14001\/9001","Minimum Order Quantity":"Negotiable"}}
{"title":"Compression Spring with Superior Elastic Recovery and High Fatigue Resistance","imgUrl":"https:\/\/img.chinax.com\/nimg\/2a\/c3\/e3a21f5eb0b04778903f7447d648-200x200-1\/compression_spring_with_superior_elastic_recovery_and_high_fatigue_resistance_for_maintenance_cost_reduction.jpg","attrs":{"Elastic recovery rate":"98%","Fatigue resistance":"35% better","Load capacity retention":"95% after 5 years","Load-deflection linearity":"\u00b12% tolerance"}}
{"title":"Precision Manufacturing Steel Helical Compression Spring for Industrial","imgUrl":"https:\/\/img.chinax.com\/nimg\/fe\/0b\/d9a9aa8843c9922ec071cd492b48-200x200-1\/precision_manufacturing_steel_helical_compression_spring_for_industrial_applications.jpg","attrs":{"Minimum Order Quantity":"Negotiable","Material":"Steel","Load Type":"Compression","Production Process":"Hot Roll"}}
{"title":"Medical-Grade Helical Compression Spring with ISO 13485-Certified Materials, \u00b10","imgUrl":"https:\/\/img.chinax.com\/nimg\/8a\/98\/f63a26a77a86419b912b5a1fe14d-200x200-1\/medical_grade_helical_compression_spring_with_iso_13485_certified_materials_2c_c2_b10_005mm_tolerances_2c_and_biocompatibility_tes.jpg","attrs":{"Material":"ASTM F138 titanium alloy, 316LVM stainless steel","Surface Finish":"0.002\u03bcm","Wire Diameter":"0.15mm","Dimensional Tolerance":"\u00b10.005mm"}}
{"title":"High-Carbon Steel Compression Spring with 2200 MPa Tensile Strength and 50 kN","imgUrl":"https:\/\/img.chinax.com\/nimg\/f5\/cd\/611bb7edc39e87138b2daaac7021-200x200-1\/high_carbon_steel_compression_spring_with_2200_mpa_tensile_strength_and_50_kn_load_capacity_for_heavy_duty_applications.jpg","attrs":{"Material grade":"ASTM A228, EN 10270-1","Tensile strength":"2200 MPa","Hardness rating":"45-50 HRC","Static load capacity":"50 kN"}}
{"title":"Helical Motorcycle Heavy Compression Springs Industrial Helical Compression","imgUrl":"https:\/\/img.chinax.com\/nimg\/b2\/17\/011997c32536f2ed8677266a993f-200x200-1\/helical_motorcycle_heavy_compression_springs_industrial_helical_compression_spring.jpg","attrs":{"Minimum Order Quantity":"Negotiable","Place of Origin":"Sihong, China","Brand Name":"Sunzo","Certification":"CE\/IATF16949\/45001\/14001\/9001"}}
{"title":"Extreme Conditions Alloy Steel Helical Spring Fatigue Resistant Precision CNC","imgUrl":"https:\/\/img.chinax.com\/nimg\/04\/61\/cc713bf30a60f2cb2577497ec87c-200x200-1\/extreme_conditions_alloy_steel_helical_spring_fatigue_resistant_precision_cnc_coiled.jpg","attrs":{"Place of Origin":"Sihong, China","Brand Name":"Sunzo","Certification":"CE\/IATF16949\/45001\/14001\/9001","Minimum Order Quantity":"Negotiable"}}
Corrosion-Resistant Compression Spring: Engineered for Extreme Corrosion Resistance in Marine and Chemical Environments
Marine and chemical industries face relentless corrosion challenges, including high-salinity seawater (35,000-50,000 ppm chloride), aggressive chemical vapors (e.g., H₂S, Cl₂), and persistent humidity (>95% RH). Our helical compression springs are engineered to counter these threats through precision design and advanced material science.
Technical Framework
Leveraging SolidWorks 2024 CAD and ANSYS Mechanical FEA, we optimize coil geometry with smooth, crevice-free profiles to minimize corrosive medium retention. Electropolished surfaces (Ra < 0.2μm) eliminate micro-pores, achieving a Pitting Resistance Equivalent Number (PREN) > 40—far exceeding conventional stainless steel standards.
Material Portfolio
Medical-grade 316L stainless steel (UNS S31603): Withstands 1,000-hour salt spray testing per ASTM B117 with zero visible corrosion, ideal for coastal marine equipment
Hastelloy C276: Resists 98% sulfuric acid immersion for 500+ hours without degradation, suited for chemical reactor valves
Duplex 2205 stainless steel: Offers PREN = 45 and a 25-year corrosion warranty for tidal energy generators
Nickel-plated variants: 10μm thick coating provides 5,000-hour resistance in 5% salt fog environments
Manufacturing Excellence
ISO 8 cleanroom production to prevent particulate contamination
Nitrogen-atmosphere heat treatment (1050°C solution annealing) for uniform microstructure
Passivation per ASTM A967 and ultrasonic cleaning to meet ISO 16232-11 electronic-grade cleanliness standards
ISO 9227 cyclic salt spray: 1,000 hours with corrosion rate <0.01mm/year
Field Applications
Offshore oil rig valves (316L springs): 5-year maintenance-free operation in North Sea conditions
Chemical processing reactors (Hastelloy C276): 3-year service in 85°C concentrated acid with <2% performance degradation
Coastal tidal generators (Duplex 2205): 2,000-hour dynamic seawater immersion test with no structural failure
Backed by ISO 9001:2015 quality management and a dedicated corrosion engineering team, we offer custom solutions—from material selection to surface coating—tailored to your specific corrosive environment.
