package for spring steel

Place of Origin:

Jiangxi, China

Brand Name:

SHUNDA

Model Number:

SD-1310

Style:

Coil

Load Type:

Other

Material:

Steel

Usage:

Industrial

Standard:

AISI,ASTM,DIN,GB,JIS

Steel Grade:

ck60,ck67,ck70,ck75,C75cr1(SAE 1060, SAE 1065, SAE 1070, SAE 1075)

Technique:

hardened and tempered

Surface Treatment:

heat treatment

Application:

roller shutter door, manual shutter door, door spring, hand tools

color:

blue, polished blue, polished bright.Navy blue

edge:

round, slit, square