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heat treatment blue spring steel strip for roller shutter door

Product code:Olina.20240410
Application:roller shutter door spring
condition:hardened and tempered
Surface Treatment:blue,polished blue
Hardness:Full Hard
steel hardness:40-49 HRC
width max tolerance:+/-0.03mm
Thickness max tolerance:+/-0.01mm
Certificate:CE, RoHS, GS, ISO9001
Oiled or Non-oiled:Slightly Oiled
edge:slit , round , square etc.
Delivery Time:15-21 days

Heat Treated Blue Spring Steel Strip

——Professional Manufacturing Material For Roller Shutter Door Spare Parts

Product Description​

Roller Shutter Door steel

Heat treated blue spring steel strip is a high-quality steel product treated with a special process, specially designed to meet the manufacturing needs of high-strength, high wear-resistant and corrosion-resistant rolling shutter door parts. Its excellent mechanical properties and durability make it an indispensable key material in the industrial door industry. It is especially suitable for the production and manufacturing of core components such as rollers, guide rails, and connectors for various rolling shutter doors.


Premium Material: Carefully selected high-quality carbon steel or alloy steel raw materials ensure base material strength through precise composition ratios and advanced smelting techniques.

Heat Treatment Process: Employing scientific heat treatment technologies, such as quenching and tempering, imbues the product with high strength, excellent toughness, and ductility.

Blue Anti-Corrosion Layer: The surface undergoes a special blue oxide treatment which not only presents an aesthetically pleasing and elegant appearance but also effectively resists corrosion under harsh environments, significantly prolonging the service life.

Precision Dimension Control: The steel strip boasts uniform thickness with rigorous tolerance control, making it easy to process and ensuring accurate assembly when manufacturing roller shutter door components.

Common specifications of spring steel coils for blue rolling shutter doors

Heat-treated blue spring steel strip with different widths, thicknesses, lengths and mechanical performance indicators can be customized according to the actual needs of customers to ensure a perfect match between the product, the application environment and the design requirements of the rolling shutter door.

Roller Shutter Door spring steel coil product details display
Hot Selling Roller Shutter Spring Steel Strip Dimensions

heat treatment spring steel coil and sheet Application Fields

Heat treated blue  spring steel strip is mainly used in:

Rolling shutter door spring box manufacturing
Rolling shutter door track system spare parts
Production of connectors and various fasteners
Other industrial door components requiring high strength, wear resistance and corrosion protection

Roller Shutter Door Spring Steel Strap Related Accessories

High quality rolling door spring steel strip

Application of steel strip for rolling shutter door
Spring steel sheet bending test

——Jiaxiao MTC YouTube video

Certification and Quality Assurance

Our Rolling shutter door spring steel belt are produced and tested in strict accordance with international standards, comply with relevant industry certification requirements, and provide complete quality assurance and technical support services.

ISO 9001Quality Management System Certification
blue steel sheet spring steel Quality Inspection
Roller Shutter Door Spring Steel Strap Product Packaging


In order to better serve your purchasing needs, please contact our sales team to obtain specific product samples, quotations and more detailed technical parameters. At the same time, welcome to browse the product details, photos and application cases on our website to intuitively experience the excellent performance of heat-treated blue steel strips in rolling shutter door accessories.

Hardened & Tempered steel strip / sheet manufacturer

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About Jia Xiao

About Us

Jia Xiao MTC was established in 2015,located in Panyu District, Guangzhou City, China.Jia Xiao MTC has been strived to innovate for the benefit of its customers since foundation.Our company has been committed to the research and development of new energy products, new material technology and service promotion, as well as the sales of insulation materials, fireproof materials, emergency rescue equipment, and the import and export of goods and its technology, which successively obtained a number of invention patents and technical achievements..

Jiaxiao MTC is a subsidiary of Hongsheng Group, which mainly deal with good quality steel business , and has won the affirmation and recognition of customers from South America, Canada, Europe, Australia, the Middle East, Africa, Russia and Southeast Asia and other countries and regions with many years of product knowledge and high quality products and service.
Based on the heat treatment steel strip industry is the core of the enterprise, facing the future, will always adhere to the customer-centric, service-oriented and market-oriented.

Our advantage

Customization process

Send order

Send an inquiry to ask about order requirements

Determine requirements

Discuss product requirements and quantities in detail

mass production

Mass production of products according to required orders

send shipping

After the product is inspected and passed, it will be packed and shipped.

Application areas

Hardened & Tempered steel strip / sheet Application areas

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circular saw blade

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Safety belt buckle made of hardened and tempered steel strip

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Saw blade made of heat treatment steel strip

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Rolling shutter door accessories made from heat treatment spring steel

Roller Shutter Springs

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