CK67 AISI1065 C70S C70 blue spring steel strip for rolling shutter
Guang Zhou Cgood Steel steel strip for shutter spring is well-know good quality for this application. We understand that the flexibility is the key for shutter spring when the door rolling down and rolling up and strip steel can`t be broken when bending. GuangWeiYouLiang, every year, exports hundreds of tons of strip steel worldwide for this use and We have great experience, knowing how to solve these problems and to avoid this problems. From first-rate raw material, cold rolling, quenching and tempering process, de-burring edges, etc, each production step, is checked carefully in width, thickness, hardness, edge as flexibility. Spring steel strip (c67s and c75s and c80) is most suitable for shutter spring material.
GuangWeiYouLiang has been producing shutter spring steel strip with the following dimensions:
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Hardened and tempered spring steel strip for roller shutter
C67S, c75s, C80 grade, blue surface, rounded edge, 44-48HRC hardness, moq 2000kgs,
average steel dimension
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50 x 1.50
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65 x 1.20
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60 x 1.0
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80 x 1.40
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45 x 1.50
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60 x 1.20
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55 x 1.0
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65 x 1.40
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60 x 1.30
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55 x 1.20
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50 x 1.0
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60 x 1.40
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55 x 1.30
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50 x 1.20
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45 x 1.0
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55 x 1.40
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50 x 1.30
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45 x 1.20
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40 x 1.0
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50 x 1.40
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45 x 1.30
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40 x 1.20
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30 x 1.0
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45 x 1.40
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40 x 1.30
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35 x 1.20
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40 x 1.40
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