What surface treatments are offered?

The steel strip is available in polished surface with colors such as blue, yellow, bright, white, and natural.

How is the product packaged for shipping?

Each bundle is wrapped with anti-rust paper and light oil, then covered in plaster film and loaded into a 20ft container.

Spring for Rolling Shutter Ck75 Blue Color Cgood Steel High Quality Spring Steel Strip

Name: Spring for Rolling Shutter Ck75 Blue Color Cgood Steel High Quality Spring Steel Strip
Brand: HONG SHENG SAWS MANUFACTURING CO., LTD.
SKU: 2093692515

Jiangxi, ChinaHONG SHENG SAWS MANUFACTURING CO., LTD.

US$1,600.00

3-49 Tons

US$1,300.00

50+ Tons

Sample price:US$2.50/kg.Request sample

Product profile

Customization

Available

Standard

AISI, ASTM, DIN, JIS, GB, BS

Technique

Hardened and Tempered

Model NO.

spring steel strip

Surface Treatment

Polished

Application

Rolling Shutter Spring Door

MOQ

3 Tons

Hardness

40-55HRC

Grade

C50s C55s C67s C75s Sk85 1095 Sk5 51CRV4

Transport Package

Sea Worthy Export Standard

Specification

0.2mm-3.0mm*8mm-300mm

Trademark

cgood

Origin

Jiangxi, China

HS Code

72269200

Production Capacity

400000 Meters Per Month

Key features

High Quality Spring Steel: Cgood steel strip with excellent flexibility and bending resistance for rolling shutter doors.

Hardened and Tempered: Thermal process strengthens steel strips with high toughness and excellent spring properties.

Wide Grade Selection: Available in C50S, C55S, C67S, C75S, SK5, 51CrV4, and other high carbon spring steel grades.

Customizable Dimensions: Thickness ranges from 1.2mm to 1.70mm and width from 30mm to 60mm to meet specific needs.

Multiple Edge Options: Offers sheared, round, and slit edge finishes to improve fatigue life and application suitability.

Proven Export Experience: Exports hundreds of tons annually worldwide with extensive experience in solving shutter spring issues.

Standard Compliance: Meets international standards including AISI, ASTM, DIN, JIS, GB, BS, and EN specifications.

Secure Packaging: Wrapped in anti-rust paper, light oil, and plaster film for standard sea-worthy container shipping.

Company profile

Fast DeliveryOEM ServicesQuality Assurance

HONG SHENG SAWS MANUFACTURING CO., LTD.

Jiangxi, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤3.94h

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturing factory in Yushui District, Xinyu City, China, producing alloy carbon steel bandsaw blades. It reports production equipment for punching, grinding, sawing, quenching, shearing, soldering, and polishing, with finished-product inspection instructions that are uniformly followed. The supplier supports customization from samples, designs, and full or minor customization, and provides ODM and OEM services. Quality processes include quality assurance, complaint-handling procedures, corrective and preventive action procedures, and raw-material traceability. However, it reports no supplier-management-system certifications, no new products in the past year, no R&D engineers' accumulated experience beyond one year, no 3D software design, and no SDK. It also lacks overseas warehouses, showrooms, agents or branches, and reported participation in offline trade shows. Customer coverage is described across multiple international regions, but specific customer names or...

Supplier typeThe supplier is explicitly identified as a factory, with associated companies in manufacturing, and describes itself as a China-based factory manufacturing alloy carbon steel bandsaw blades. This supports classification as a manufacturing supplier rather than a trading-only company.

CertificationsThe supplier-management-system certification field is recorded as "NIL," indicating that no such certification is stated in the provided information. This is an explicit certification gap for this field.

After-Sales capabilityThe supplier has a documented service-capability assessment procedure with followed records, a corrective and preventive action procedure with records, and a clear customer-complaint-handling procedure with records. These documented mechanisms provide explicit evidence of structured complaint and service follow-up capability.

R&D capabilityThe supplier reports no new product development during the past year, no available SDK, no 3D software design service, and only one year of total R&D-engineer experience. Although it offers ODM services, the explicit evidence indicates limited documented innovation and technical-development capability.

Production capacityThe supplier identifies itself as a manufacturing factory producing alloy carbon steel bandsaw blades and lists punching, grinding, sawing, quenching, shearing, soldering, and polishing equipment. It also reports standardized finished-product inspection, quality assurance, complaint procedures, and material traceability, supporting a demonstrated production and quality-control base.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, customization from designs, minor customization, and flexible customization. It also provides ODM and OEM services, indicating broad stated capability to adapt products to customer requirements.