Specifications of Spring Steel Strip:

1) Grade: 45, 50, 55, 65, 70, 75, 85, 65Mn, 55SiMnV, 60Si2MnA, 60Si2CrA, etc.
2) Thickness: 0.3mm - 2.0mm
3) Width: 30mm - 355mm
4) Edge: rounded
5) Hardness: 44-45HRC by machine; 46-48HRC by hand
6) Surface Treatment: grey, blue, bright, bright & grey, bright & blue
7) Heat Treatment: annealed, tempered & hardened

Specifications of rolling shutter spring steel strip:

rolling shutter spring steel strip,spring steel strip,spring steel strip,65mn steel strip

1.Material Grade: 65mn,50#,1050, 1060
2.Surface : Grey blue, poished blue
3.Hardness: hardened &tempered 44-46HRC 
4.Edge: round edge, cutting edge
5.The regular size (thickness&width) details as below

Exhibition:

FAQ:

Q1:What product information must I provide before making a purchase?

A: Please provide the grade, width, thickness, and surface treatment requirements, as well as the quantities you require.

Q2:What shipping ports are there?

A: We normally ship from Shanghai, Tianjin, Qingdao, and Ningbo ports.

Q3:What are your payment terms?

A: 30% T/T in advance and 70% balance before shipment or based on copy or LC at sight.

Q4:What about product pricing information?

A: Prices vary due to changes in raw material prices on a regular basis.

Q5:Is it possible to send samples?

A: Of course, we offer free samples and express shipping to customers all over the world.

Q6:Do you offer a service for customized products?

A: Yes, we can produce according to your specifications and drawings.

Q7:Can I pay you a visit to your factory?

A: Customers from all around the world are welcome to visit our factory.

Q8:Can you assist me in importing steel products for the first time?

A: Yes, we have a shipping agent who will arrange the shipment with you.

Q9. What is your delivery time?

Within 7 working days after receiving your balance payment.