en_US EN
en_US EN zh_CN ZH
Login / Registration

Spring Steel Hook-ended Extended Tension Spring—Oven-door Springs in all sizes Automotive Prop Support

SKU N/A Category
Spring Steel Hook-ended Extended Tension Spring—Oven-door Springs in all sizes Automotive Prop Support

Quantity

Unit Price

Price

Price range: $0.37 – $1.93

-
+

Price range: $0.37 – $1.93

Total:

Price range: $0.37 – $1.93

Spring Steel Hook-ended Extended Tension Spring—Oven-door Springs in all sizes Automotive Prop Support Description

  1. Performance
    • High-Elasticity Core Material – Coiled from premium music-wire (ASTM A228) or stainless alloys (302/17-7 PH) on request, wire diameters Ø1.0–3.0 mm and outer diameters Ø10–20 mm. Vacuum-degassed feedstock is oil-tempered and double stress-relieved at 250 °C, achieving tensile strengths of 1 500–1 900 MPa and removing residual coil torsion for stable load curves.
    • Heavy-Duty Initial Tension – Engineered with up to 18 % built-in preload, delivering snap-tight closure and high holding force without over-extension during installation. Spring rates are configurable from 5 N mm⁻¹ (light oven doors) to 60 N mm⁻¹ (industrial props).
    • Shot-Peened & Heat-Stabilised Surface – Compressive surface stresses boost fatigue life by >40 %, while high-temperature stabilization guarantees <3 % rate drift from –40 °C to +150 °C for continuous-oven or engine-bay service.
    • Tailored Hook Geometry – Machine loops, German hooks, swivel eyes, or threaded inserts are co-wound into the end coils, maintaining ≥100 % of spring tensile strength at the attachment points.
  2. Application Scenarios & Assembly Requirements
    • Oven & Appliance Doors – Balanced lift and smooth closure for domestic or commercial oven lids; select stainless or ceramic-coated variants for food-contact and high-humidity chambers.
    • Automotive Prop Supports – Assist struts for hoods, trunks, and utility-vehicle panels; hooks designed to seat in stamped holes or clevis pins with <5° permissible misalignment.
    • Industrial Access Panels – High-tension options secure machine safety guards and conveyor housings; incorporate safety cables routed through the coil to capture fragments in the rare event of overload.
    • Assembly Guidelines
    – Attachment Pins: diameter = hook ID – 0.5 mm to minimise fretting.
    – Maximum Working Stroke: limit extension to 85 % of elastic range (≈ L₀ + 0.8 ΔL_solid) to preserve preload.
    – Parallelism: keep hook centrelines colinear with spring axis; lateral offset ≤ 2 mm for the specified wire range prevents side loading.
  3. User-Friendly Operation
    • Pre-Set & Ready-to-Fit – Each spring is fully scragged at 110 % design stroke; installers can apply catalog force values immediately with no conditioning time.
    • Color-Band Identification – Epoxy stripes on the hooks encode wire diameter and rate for quick visual sorting during production runs or maintenance call-outs.
    • Minimal Tooling – Hooks engage standard eye bolts or drilled tabs; installation requires only pliers or a loop-puller—no jigs, winding bars, or lubrication.
    • Clean, Customisable Finishes – Options include black oxide, clear zinc, or baked epoxy in any RAL shade; coatings are thin (<8 µm) and uniform, avoiding interference with hook seating.
  4. Quality & Longevity
    • ISO 9001 / IATF 16949 Controlled Manufacturing – Real-time SPC on coil pitch, heat-treat profile, and hook geometry holds load tolerance to ±7 % and free-length tolerance to ±1 mm.
    • Fatigue Endurance Validated – Sample lots cycle 500 000 extensions at 60 % of maximum rated travel with force decay <4 % and zero loop deformation, meeting stringent appliance and automotive standards.
    • Corrosion & Heat Resistance – Stainless and epoxy-coated models withstand >144 h neutral salt-spray; spring rate remains within spec after 1 000 h at 140 °C continuous bake.
    • Traceability & Documentation – Laser-etched batch codes on each spring link to 3.1 material certificates, load/deflection graphs, and full RoHS/REACH compliance data, ensuring dependable sourcing for OEM and aftermarket requirements.

Additional information

Wire Diameter（mm)

1.0, 1.2, 1.5, 1.8, 2.0, 2.5, 3.0
Spring Outer Diameter(mm)

10, 12, 15, 18, 20
Spring Length(mm)

100, 150, 160, 170, 180, 190, 200, 30, 40, 50, 60, 70, 80, 90
Material

Spring steel
Manufacturer

GUXIANG
Package Size(cm)

30*20*20
SKU

1，000,000 pieces
Shipping Term

EXW Guangdong Province

Product Related

Related products

Social Chat is free, download and try it now here!