spring box steel garage roller shutter steel rolling shutter steel c67

Standard:

AiSi, ASTM, bs, DIN, GB, JIS

Steel Grade:

C67 C75 ck67 ck75 sae1070 sae1075

Place of Origin:

Guangdong, China

Technique:

cold rolled hardened and temppered

Surface Treatment:

blueing Or polished

Application:

rolling shutter spring, flat spring,band spring

Model Number:

GWB20200688

Brand Name:

Cgood

Width:

40-80mm

Length:

according to the request

Tolerance:

±3%

Grade:

C67 C75 ck67 ck75 sae1070 sae1075

technique:

,hardened and tempered

surface:

blue,grey-blue

tolerance on thickness:

max+/- 0.03mm

tolerance on width:

max+/-0.05mm

hardness:

44-48HRC

MOQ:

1tons

width:

40-80mm

thickness:

1.0-1.80mm

Certification:

ISO9001:2008

Factory:

Yes

Processing Service:

cold rolled hardened and tempered