rolling shutter door spring steel ck67
Guang Zhou Cgood Steel is one of the biggest exporter for rolling shutter spring material in China. We are the well known and reputalbe maerial for rolling shutter door spring.
Each production's step is performed in the company to garrantee best flexibility and strictly quality control.
We have our owncold rolled facilities, firstrate crud materials purchaed from ISO certificated enterprise to guarantee superior quality.
All processes are done with our skillful employees and morden facility to assures best performance in surface finishing, flatness and constanc of mechanical poperies.
Each coil before packing has been checked by width, thciness, hardness, straightness, bend-ability and elasticity.
We use the best raw material, precision cold rolling process, precise sltting pocess, de-burring of edges, and constant hardening and tempering process to assure our material with close tolerance in shape and mechanical properties.
HARDENED AND TEMPERED STEEL STRIP FOR ROLLING SHUTTERS
appliations: roller shutter steel door, garage door, roller shutter metal door
material:C67S, c75s(SAE1070,SAE1075)
surface:polish blue/blue
edge: rounded
hardness:43-49hrc
STEEL SPRINGS AVERAGE DIMENSION(mm)
60x1.60 60x1.50 65x1.20 60x1.0
80x1.40 50x1.50 60x1.20 55x1.0
65x1.40 45x1.50 55x1.20 50x1.0
60x1.40 60x1.30 50x1.20 45x1.0
55x1.40 55x1.30 45x1.20 40x1.0
50x1.40 50x1.30 40x1.20 30x1.0
45x1.40 45x1.30 35x1.20
40x1.40 40x1.30
