标准
AISI认证, ASTM, bs, 中国DIN标准, 国标, JIS
应用
roller shutter door spring, door spring
型号
ck67, c67,c67s, sae 1070
Product Name
Different Size High Carbon Steel Taping Knife Taping Tool Drywall
Surface
polished (blue, yellow, white, grey-blue, black, bright) or Nature etc
Hardness
<20hrc, 20-30hrc, 30-55hrc
Edge
slit edge; both rounded; one side round, one side slit; square etc
Tolerance
thickness +/-0.01mm max; width +/-0.05mm max
Heat Treatment
Quenching+Tempering
Process
Tempered Steel Strip
Certificate
ISO9001:2008/ISO/BV
Material
65mn, ck67, ck75, sk5
Packing
Hardened and tempered spring steel 65Mn