Specifications

1. Good flatness
2. Good straightness
3. Good round edge
4. Uniform hardness
5. Good and uniform color

 

 

 

   Rolling Shutter Spring Steel Strip 
1. Material: C75, C67, 65Mn, 50# 
2. Finish: Black; Grey blue; Polised Blue

3. Edge: Both side round edge 

4. Hardness:43-49HRC as customer's requirements 

5.Thickness:  1.2mm, 1.25m, 1.3mm, 1.4mm, 1.5mm, 1.6mm

6. Width:  45mm, 50mm, 55mm, 60mm

7. Strength of extension : ≥1450 Mpa

8. Percentage elongation : ≥ 4.5 %

 

GOOD COLOR

 

 

 

GOOD ROUND EDGE

 

 

Products range
Sort (strip,coil)	Grade base on Din standard	Hardness<20HRC		Hardness21-28HRC		Hardness29-55HRC
		Annealed		Cold rolled		Hardened and tempered
		Thickness	Width	Thickness	Width	Thickness	Width
Carbon steel	Q195, Q235, Q295, Q345	0.35-3.0mm	32-630mm	0.35-3.0mm	32-630mm	0.35-3.0mm	32-300mm
High carbon Steel	CK50 / CK60	0.15-2.5mm	8-600mm	0.15-2.7mm	8-650mm	0.15-2.5mm	8-300mm
Spring carbon steel	CK67,CK70,CK75, C75Cr1
Alloy spring steel strip	50CrV4, 60Si2Mn	0.2-2.2mm	8-180mm	0.2-2.2mm	8-180mm	0.2-2.2mm	8-180mm
Stainless spring steel	3Cr13-6Cr13, 420J2, 420J3	0.2-2.5mm	8-150mm	0.2-2.5mm	8-150mm	0.2-2.5mm	8-150mm
Edged process	Mill edge, slit edge, both rounded, one side round, one side slit, square etc.
Finished  surface	Polished ( Blue, Yellow, White, Grey-blue, Black, Bright) or Nature etc
Tolerance	Thickness: +/-0.03mm max; width:  +/-0.1 mm max

 

 

 

 

 

 

 

 

Our products are widely apply to automobile industry, electrical machine, stationary, rolling door, standard parts, clockwork feed. Such as various mud trowels, wood working band saws, automatic clutch patches, rolling shutter springs, horologe clockwork springs, lock making, shoes materials, hook materials, spin standard stamping, industrial knives, shims and washers for automobiles, petroleum fasteners, bearings and others.

 

 

 Packing each bundle with anti-rust paper and light oil then wrapped in plastic film with metallic pallet and put in 20ft container for standard sea worthy.

 

 

 

 

  We do everything we can to achieve and offer our clients

• Prompt delivery
• High constant quality level
• Competitive price
• Reliablity
• Cooperate flexibility and innovational readiness

  

Established in 2002, Fengcheng Shunda Co., Ltd. is one of the largest companies that integrate in developing and researching, producing and selling steel strip. Our main products include Carbon Construction Steel, Carbon Tool Steel, Spring Steel, Alloy Tool Steel, Alloy Construction Steel, Chilled Hardened Steel, Cold rolled steel strip, which exported to Europe, America, South-east Asia and Middle East areas.

 

Our factory is located in High-tech Industry zone, Fengcheng city, Jiangxi province, China, which covers more than 10,000 square meters with more than 100 energetic staff. By taking advantage of the advanced hardening and tempering facilities and technology, and combining our professional manufacturing experience, we have been an entity with large-scale production ability which can supply more than 6,000Mts steel strip a year.

 

Our company has a whole system of quality control and customer service, using advanced testing equipment to guarantee product quality. All our departments optimize the process to serve and satisfy customers. Our continuing pursuit of first-rate quality, competitive price and comprehensive after-sales service offers both potential and long standing clients confidence in us.