The high carbon rolling shutter spring steel strip is manufactured by continuous heat treatment furnace and oil quenching, can reach required hardness through annealing, tempering and hardened. Those strips are supplied with different options, such as cutting edge, round edge or dressed. Surface includes matt finish (untreated), 抛光的, 明亮的, blue finish. With great mechanical properties, it can be easily formed and processed as blades, rolling shutter springs for window or door, trowels.
Feature
●Product name: CK67 C67 C75 CK75 C80 Rolling Shutter Spring Steel Strip hardened and tempered
●Thickness:1.0 mm to 1.6 毫米
●Width: 35 mm to 80 毫米
●Hardness: 44 – 46 HRC; 46 – 48 HRC
●Surface: 蓝色的, polish blue
●Conditions: 硬化 & 历练, Anne
Production condition:
Cold rolled
Spheroidized Annealed
Hardened and tempered
Normally grade of the material based on BS, 美国钢铁协会 ,在, 从, and JIS standard
CS50, CS55, CS60,CS67,CS75,CS85,CS95, C75CR1,SK4,SK5,SK85, 51CRV4, 60SI2Mn, and 420j2 so on
Material Apprication:
Agriculture tool
Hand tools
Building plaster tools( trowels, spatulas, scrapers and putty knives)
Stamping parts
Automotive components
Textile tools
带锯条
And garage rolling shutter doors spring so on









