{"id":4407,"date":"2025-07-05T02:20:47","date_gmt":"2025-07-05T09:20:47","guid":{"rendered":"https:\/\/guxiangjs.com\/?post_type=product&p=4407"},"modified":"2025-07-09T00:01:26","modified_gmt":"2025-07-09T07:01:26","slug":"compression-spring-spring-steel-construction-wire-diameter-0-3-2mm-outer-diameter-3-40mm-spring-steel","status":"publish","type":"product","link":"https:\/\/guxiangjs.com\/zh\/shop\/compression-spring-spring-steel-construction-wire-diameter-0-3-2mm-outer-diameter-3-40mm-spring-steel\/","title":{"rendered":"Compression Spring, Spring Steel Construction Wire Diameter 0.3-2mm Outer Diameter 3-40mm spring steel"},"content":{"rendered":"
    \n
  1. Performance
    \n\u2022 High-Carbon Spring Steel Construction \u2013 Coiled from DIN EN 10270-1 grade SH or ASTM A228 (music wire) with tensile strengths between 1 600\u20132 000 MPa depending on wire diameter (\u00d80.3\u20132 mm). The steel is oil-tempered and stress-relieved at 250 \u00b0C, yielding long-cycle elasticity and minimal permanent set.
    \n\u2022 Broad Dimensional Range \u2013 Standardised outer diameters \u00d83\u201340 mm and free lengths up to 200 mm cover light tactile push-buttons through to heavy machine linkages. Spring rates span 0.05\u201335 N mm\u207b\u00b9, enabling precise load matching.
    \n\u2022 Shot-Peened & Polished Surface \u2013 Compressive residual stresses from shot peening boost fatigue life by 30\u201350 %. Fine-polish finish (Ra \u2264 0.8 \u00b5m) reduces friction in tight guide bores and mitigates corrosion initiation points.
    \n\u2022 Operating Window \u2013 Reliable force delivery from \u221240 \u00b0C to +120 \u00b0C; modulus varies <3 % across this range, ensuring consistent performance in outdoor, automotive, and electronics environments.<\/li>\n
  2. Application Scenarios & Assembly Requirements
    \n\u2022 Precision Mechanisms \u2013 Keyboards, microswitches, camera shutters, and medical dispensers employ the \u00d80.3\u20130.6 mm series for crisp tactile response and controlled return forces.
    \n\u2022 Industrial & Automotive \u2013 \u00d81.0\u20132.0 mm models act as valve train followers, latch actuators, and vibration isolators where high cycle counts (>10\u2076) and compact envelopes are mandatory.
    \n\u2022 Assembly Guidelines \u2013
    \n\u2013 Housing clearance: inner guide diameter = spring OD + 0.15 \u00d7 wire \u00d8 to prevent side-load buckling.
    \n\u2013 Maximum deflection: limit working stroke to 80 % of solid height to preserve \u226595 % load after 100 000 cycles.
    \n\u2013 End treatment: ground and closed ends offer <3\u00b0 squareness for even load distribution; unground ends suit low-precision pockets.
    \n\u2022 Pre-Set Option \u2013 Factory scragging eliminates early relaxation, allowing designers to use published load values without additional settling allowances.<\/li>\n
  3. User-Friendly Operation
    \n\u2022 Color-Coded Identification \u2013 Each spring is epoxy-tipped in industry-standard colors corresponding to rate and wire diameter, simplifying on-site selection and reducing assembly errors.
    \n\u2022 Ready-to-Install Packaging \u2013 Springs are supplied lightly oiled in anti-static trays; quantities \u2264500 pcs arrive on continuous strips for automated pick-and-place feeders, while larger diameters are banded in nested stacks to avoid tangling.
    \n\u2022 Tool-Free Fitment \u2013 Smaller sizes compress easily by finger pressure; larger units require only a simple compression sleeve or bench vise\u2014no special mandrels or jigs.
    \n\u2022 Dimensional Trace Codes \u2013 Laser-etched batch numbers on the last coil link to online datasheets for real-time load\/deflection curves and CAD models, streamlining maintenance documentation.<\/li>\n
  4. Quality & Longevity
    \n\u2022 ISO 9001 & IATF 16949 Certified Manufacturing \u2013 Statistical process control on coil pitch, heat treatment, and surface integrity ensures force tolerance within \u00b17 % and free-length tolerance within \u00b11 mm.
    \n\u2022 Fatigue & Load-Relaxation Validation \u2013 Sample springs endure 1 000 000 compression cycles at 60 % solid height with force loss <5 %, and exhibit <2 % relaxation after 48 h at 100 \u00b0C.
    \n\u2022 Corrosion Protection & Compliance \u2013 Optional zinc-phosphate or black oxide coatings provide >72 h neutral salt-spray resistance without affecting spring rate. All materials are RoHS and REACH conformant, free from Cr\u2076\u207a and other restricted substances.
    \n\u2022 Comprehensive Documentation \u2013 Each shipment includes a 3.1 material certificate and test report covering tensile strength, surface roughness, dimensional checks, and residual stress measurements, assuring predictable, long-term service in safety-critical assemblies.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"

    Performance \u2022 High-Carbon Spring Steel Construction \u2013 Coiled from DIN EN 10270-1 grade SH or ASTM A228 (music wire) with tensile strengths between 1 600\u20132 000 MPa depending on wire diameter (\u00d80.3\u20132 mm). The steel is oil-tempered and stress-relieved at 250 \u00b0C, yielding long-cycle elasticity and minimal permanent set. \u2022 Broad Dimensional Range \u2013 Standardised […]<\/p>","protected":false},"featured_media":4408,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[535],"product_tag":[],"class_list":{"0":"post-4407","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-compression-spring","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-variable"},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product\/4407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/comments?post=4407"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media\/4408"}],"wp:attachment":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media?parent=4407"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_brand?post=4407"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_cat?post=4407"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_tag?post=4407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}