Precision Steel Coil for Roller Shutter Door Spring

Precision steel coil for roller shutter door spring


Steel Grade: Ck67/ Ck70 /Ck75

Width: 30-80mm
Thickness: 1.0-1.8mm

Edge: Round
Surface: Blue, grey

Hardness: 43-48 HRC
Per Coil ID: 400-500mm



Application: Roller shutter door spring





Why Choose GWYL?

1) Competitive price, strict quality control, fast shipping, good after sale service

2) Specilized in manufacturing and exporting for more than 10 years

3) Feedback within 24 hours

5) Certificate: ISO, SGS, IAF ect.

6) Free sample available

7) Customization: We can produce the special steel according to your demands

8) We have our own complete testing equipments to test material composition and hardness to help customer identify the detailed product information



When inquiry, in order to give you a fast and accurate offer, best to advise necessary details as:


1 Material Grade
2 Size (thickness, width )
3 Hardness
4 Edge (round, slit, mill etc. )
5 Finished Color ( nature, blue, yellow, bright polished etc. )
6 Coil weight or ID and OD
7 Other details you demand


Free sample is available after confirmation.



How to contact us?

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