SPECIFICATIONS

Specifications

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→Types and symbols

Types and symbols
Types STD NO. Features & Applications
Alloy No. TYPE
C5102 Wire C5102W Good anti-fatigue, anti- corrosion, anti- abrasion
For Coil springs, Spiral springs, Snap buttons, Wire for electric binder, Wire netting, Washer
C5191 Wire C5191W
C5212 Wire C5212W
C7701 Wire C7701W Good gloss, good anti-fatigue, good anti-corrosion
For high-quality springs, Straight springs, Coil springs of measuring machine, medical devices, ornament, glasses component.
C7521 Wire C7521W
C7541 Wire C7541W
C1020 Wire C1020W Good in heat conduction quality and electrical insulation, weldability, corrosion resistance. Strong in high-temperature. For electric, chemical devices
C1100 Wire C1100W Good in heat conduction quality and electrical insulation, corrosion resistance.
For electric, chemical devices, small nails, wire netting.
C1220 Wire C1220W Good in weldability, Corrosion. For small nails, wire netting
C2100 Wire C2100W Beautiful color,good electric heating flow,good anti- corrosion Corrosion resistance.
Ornament, Accessory, wire netting.
C2200 Wire C2200W
C2300 Wire C2300W
C2400 Wire C2400W
C2600 Wire C2600W Cold forging resistance. Small nails, pins, needles, springs, wire nettings.
C2700 Wire C2700W
*Please contact Young Lim if you are looking for other items.

→Chemical composition of wire

Alloy No. Chemical Composition (%)
Cu Pb Fe Sn Zn Mn Ni P Cu+Sn+P
C5102 Balance Max 0.02 Max 0.10 4.5~5.5 Max 0.20 - - 0.03~0.35 Min 99.5
C5191 5.5~7.0
C5212 7.0~9.0
C7701 54.0~58.0 Max 0.03 Max 0.25 - Balance Max 0.50 16.5~19.5 - -
C7521 62.0~66.0 16.5~19.5
C7541 60.0~64.0 12.5~15.5
C1020 Min 99.96 - - - - - - - -
C1100 Min 99.90 - - - - - - - -
C1220 Min 99.90 - - - - - - 0.015~0.040 -
C2100 94.0~96.0 Max 0.03 Max 0.05 - Balance - - - -
C2200 89.0~91.0 Max 0.05 Max 0.05 - Balance - - - -
C2300 84.0~86.9 Max 0.05 Max 0.05 - Balance - - - -
C2400 78.5~81.5 Max 0.05 Max 0.05 - Balance - - - -
C2600 68.5~71.5 Max 0.05 Max 0.05 - Balance - - - -
C2700 63.0~67.0 Max 0.05 Max 0.05 - Balance - - - -
* Please contact Young Lim if you are looking for other items.

→Mechanical Property

Alloy No. Hardness STD NO. Tension Test
Diameter(mm) Tensile Strength(N/㎟) Elongation(%)
C5102 O C5102W-O Min 0.40 305~420 -
H C5102W-H 0.40 ~ 5.0 Min 635 -
SH C5102W-SH 0.40 ~ 5.0 Min 862 -
C5191 O C5191W-O Min 0.40 315~460 -
1/8H C5191W-1/8H 0.40 ~ 5.0 435~585 -
1/4H C5191W-1/4H 0.40 ~ 5.0 535~685 -
1/2H C5191W-1/2H 0.40 ~ 5.0 635~785 -
3/4H C5191W-3/4H 0.40 ~ 5.0 735~885 -
H C5191W-H 0.40 ~ 5.0 Min 835 -
C5212 O C5212W-O Min 0.40 345~490 -
1/2H C5212W-1/2H 0.40 ~ 5.0 685-835 -
SH C5212W-SH 0.40 ~ 5.0 Min 930 -
C7701 O C7701W-O Min 0.40 440~635 -
1/4H C7701W-1/4H 0.40 ~ 5.0 500~650 -
1/2H C7701W-1/2H 0.40 ~ 5.0 635~785 -
H C7701W-H 0.40 ~ 5.0 Min 765 -
C7521 O C7521W-O Min 0.40 375~520 -
1/4H C7521W-1/4H 0.40 ~ 5.0 450~600 -
1/2H C7521W-1/2H 0.40 ~ 5.0 520~685 -
H C7521W-H 0.40 ~ 5.0 Min 665 -
C1020
C1100
C1220		 O C1020W-O 0.5 ~ 2 Min 195 Min 15
C1100W-O Min 2 Min 195 Min 25
C1220W-O
1/2H C1020W-1/2H 0.5 ~ 12 255~365 -
C1100W-1/2H 12 ~ 20 245~365 -
C1220W-1/2H
H C1020W-H 0.5 ~ 10 Min 345 -
C1100W-H 10 ~ 20 Min 275 -
C1220W-H
C2100 O C2100W-O Min 0.50 Min 205 Min 20
1/2H C2100W-1/2H 0.5 ~ 12 325~430 -
H C2100W-H 0.5 ~10 Min 410 -
C2200 O C2200W-O Min 0.50 Min 225 Max 20
1/2H C2200W-1/2H 0.5 ~ 12 345~490 -
H C2200W-H 0.5 ~10 Min 470 -
C2300 O C2300W-O Min 0.50 Min 245 Min 20
1/2H C2300W-1/2H 0.5 ~ 12 375~540 -
H C2300W-H 0.5 ~ 10 Min 520 -
C2400 O C2400W-O Min 0.50 Min 255 Min 20
1/2H C2400W-1/2H 0.5 ~12 375~610 -
H C2400W-H 0.5 ~ 10 Min 590 -
C2600 O C2600W-O Min 0.50 Min 275 Min 20
1/8H C2600W-1/8H 0.5 ~ 12 345~440 Min 10
1/4H C2600W-1/4H 0.5 ~ 12 390~510 Min 5
1/2H C2600W-1/2H 0.5 ~ 12 390~610 -
3/4H C2600W-3/4H 0.5 ~ 10 590~705 -
H C2600W-H 0.5 ~ 10 685~805 -
EH C2600W-EH 0.5 ~ 10 Min 785 -
C2700 O C2700W-O Min 0.50 Min 295 Min 20
1/8H C2700W-1/8H 0.5 ~ 12 345~440 Min 10
1/4H C2700W-1/4H 0.5 ~ 12 390~510 Min 5
1/2H C2700W-1/2H 0.5 ~ 12 490~610 -
3/4H C2700W-3/4H 0.5 ~ 10 590~705 -
H C2700W-H 0.5 ~ 10 685~805 -
EH C2700W-EH 0.5 ~ 10 Min 785 -

→Diameter and Width across flat Tolerance

Unit(mm)
Width across flat in Diameter Alloy No.
C5102,C5191,C5212,C7701,C7521,C7541
Round wire Six angle, Square, Rectangle wire
0.4 ~ 0.5 ±0.010 ±0.015
0.5 ~ 1.0 ±0.015 ±0.020
1.0 ~ 2.0 ±0.020 ±0.030
2.0 ~ 3.5 ±0.025 ±0.040
3.5 ~ 5.0 ±0.035 ±0.050
5.0 ~ 10 ±0.050 ±0.075
10 ~ 20 ±0.070 ±0.100
Double the figure in this table if the allowable value is specified only (+) or (-).
Width across flat in Diameter Alloy No.
C1020, C1100, C1220, C2100, C2200 C2300, C2400, C2600, C2700
Round wire Six angle, Square, Rectangle wire
Max 0.5 ±0.010 -
0.5 ~ 1.0 ±0.010 ±0.030
1.0 ~ 3.0 ±0.020 ±0.040
3.0 ~ 6.0 ±0.030 ±0.060
6.0 ~ 10.0 ±0.050 ±0.080
10 ~ 20 ±0.070 ±0.120
Double the figure in this table if the allowable value is specified only (+) or (-).