Product

Cold Rolled product

Cold Rolled product

The frontrunner in the market of high carbon steel and cold rolling market. Nastech's products are used in automobile industry.

Manufacturing range

  • Surface finish - Production of BRIGHT Surface finish product only.

Grades and Use

Quality Spec Application
Low carbon steel SPCC - Auto parts : window wiper, weather strip, air filter,all the steel parts for press work
SPCD - Stationery : ring binder back plate, cover material,trigger, stampler
SPCE - Motor core, speaker frame
- Bicycle rim, gear, handle, motor cycle rim
- Umbrella pole, tent pole, hair dryer cover, fluorescent ramp retainer
High carbon steel S30CM - Retainer, typewriter parts
S35CM - Clutch parts, business machin parts
S45CM - Roller chain parts, clutch parts, washer, shoe shank,
umbrella ribs, safty boots toe cap, safty belt part
S50CM - Chain parts, spring, cutlery, clutch parts, hair pin, measuring tape, stationery clip
SAE1541 - Chain part
S55CM - Spring, safty buckle, thompson blade, wood working band saw
SK-2M - Razer blade, cutlery, hack saw blade, shutter volute spring
SK-3M - Hack saw blade, cutlery, spring
SK-5M - Volute spring, spring, cutlery, knitting needle, clutch parts,
wood working band and circular saw, business machin parts,
Carbon tool steel SMN420M - Bushing for roller chain
Manganese steel SMN420M - Bushing for roller chain
Chrom SCM415M - Typewriter parts, safety buckle
molibdenum SCM420M - Safety buckle, chain parts
steel SCM430M - Chain parts, thomson blade, safty belt part
SCM435M - Shank
lSpring steel steel 50CrV4 - Special spring, hose clip
Others steel SPFH590 - Automoble part
SNCM220 - Automoble part

Packing Method

  • Domestic : after WRAPPING the 2~3 COILS with WATER PROOF PAPER and packing with unit of approximately 1,000kg.
                      The case of special width, packing of approximately 500kg~2,500kg is impossible.
  • For export : For export about one ton is packed and outside will be covered by steel or cardboard paper

Tolerances

Thickness

STANDARD KS NASTECH
THICKNESS \ GRADE A B C S SS
Width ~ 160 160 ~ 250 250 ~
~ 0.10 ± 0.010 ± 0.020 - - -
0.10 ~ 0.16 ± 0.015 ± 0.025 - ± 0.008 ± 0.007
0.16 ~ 0.25 ± 0.020 ± 0.025 ± 0.030 ± 0.012 ± 0.009
0.25 ~ 0.40 ± 0.025 ± 0.030 ± 0.035 ± 0.015 ± 0.012
0.40 ~ 0.60 ± 0.035 ± 0.040 ± 0.040 ± 0.020 ± 0.015
0.60 ~ 0.80 ± 0.040 ± 0.045 ± 0.045 ± 0.025 ± 0.020
0.80 ~ 1.00 ± 0.04 ± 0.05 ± 0.05 ± 0.030 ± 0.025
1.00 ~ 1.25 ± 0.05 ± 0.05 ± 0.05 ± 0.030 ± 0.025
1.25 ~ 1.60 ± 0.05 ± 0.06 ± 0.06 ± 0.035 ± 0.030
1.60 ~ 2.00 ± 0.06 ± 0.07 ± 0.08 ± 0.040 ± 0.035
2.00 ~ 2.50 ± 0.07 ± 0.08 ± 0.08 ± 0.050 ± 0.040
2.50 ~ 3.15 ± 0.08 ± 0.09 ± 0.09 ± 0.060 -
3.15 ~ ± 0.09 ± 0.10 ± 0.10 - -

* Notes : The precision thickness tolerance will follow the discussion between the user and manufacturer than the thickness tolerance as above.

Width

Thickness WIDTH TOLERANCE
~ 200 200 ~ 400
0.25 ~ 0.60 ± 0.15 ± 0.25
0.60 ~ 1.20 ± 0.20 ± 0.30
1.20 ~ 4.50 ± 0.25 ± 0.40

* Unit : ㎜

CAMBER

WIDTH \ Category TOLERANCE
30 ~ 60 8 ㎜
60 ~ 400 4 ㎜
  • Any special tolerance shall be the subject of agreement between the purchasser and manufacturer.

그누보드5

Company Name : NASTECH Co., Ltd. CEO : Park Jae Yeon Main Office : 51, Sujang-ro 25beon-gil, Asan-si, Chungcheongnam-do, Republic of Korea
Company Registration Number : 312-81-04951 TEL : +82-41-544-0400 E-mail : nastech@nastech.kr
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