경주스프링
KOREAN ENGLISH
스프링 재료

 

 

Wire diameter
(mm)

Hard steel wire

High strength
hard steel wire

Piano wire

Type A

Type B

Type C

Type 1

Type 2

0.32 

175~205

205~235

235~265

265~290

245~270

270~295

0.35 

"

"

"

"

"

"

0.40 

170~200

200~230

230~260

260~285

240~265

265~290

0.45 

165~195

195~225

225~255

255~280

235~260

260~285

0.50 

"

"

"

"

"

"

0.55 

160~190

190~220

220~250

250~275

230~255

255~280

0.60 

160~185

185~215

215~245

245~270

225~250

250~275

0.65 

"

"

"

240~265

"

"

0.70 

155~180

180~210

210~240

"

220~245

245~270

0.80 

"

180~205

205~235

235~260

215~240

240~265

0.90 

"

"

205~230

230~255

215~235

235~255

1.00 

150~175

175~200

200~225

225~245

210~230

230~250

1.20 

145~170

170~195

195~220

220~240

205~225

225

1.40 

140~165

165~190

190~215

215~235

200~220

220~240

1.60 

135~160

160~185

185~210

210~230

195~215

215~235

1.80 

130~155

155~180

180~205

205~225

190~210

210~230

2.00 

130~150

150~175

175~200

200~220

185~205

205~225

2.30 

125~145

145~170

170~195

195~215

180~200

200~220

2.60 

"

"

"

190~210

"

"

2.70 

120~140

140~165

165~190

"

175~195

195~215

2.90 

"

"

"

185~205

"

"

3.20 

"

140~160

160~185

"

170~190

190~210

3.50 

"

"

160~180

180~200

170~185

185~200

4.00 

"

"

"

175~195

"

"

4.50 

115~135

135~155

155~175

"

165~180

180~195

5.00 

"

"

"

170~190

"

"

5.50 

110~130

130~150

150~170

165~180

160~175

175~190

6.00 

105~125

125~145

145~165

160~175

155~170

170~185

6.50 

"

"

"

155~170

"

"

7.00 

100~120

120~140

140~160

150~165

150~165

165~180

8.00 

"

"

"

155~170

"

9.00 

95~115

115~135

135~155

150~165

145~160

10.0 

"

"

"

145~160

"

11.0 

110~130

130~150

12.0 

"

"

13.0 

105~125

125~145

선지름 허용차 및 편경차

 

 

Wire diameter
(mm)

Permissible tolerance

Diametrical variation

Hard steel wire
(High strength
hard steel wire)

Piano wire

Hard steel wire
(High strength
hard steel wire)

Piano wire

KS

KS

KS

KS

0.32~0.50

±0.015

±0.008

Not defined

0.008

0.50~1.00

±0.020

±0.010

"

0.010

1.00~2.00

±0.030

±0.015

"

0.015

2.00~2.30

±0.040

±0.020

"

0.020

2.30~3.20

"

"

"

"

3.20~3.70

±0.050

±0.030

"

0.030

3.70~4.50

"

"

"

"

4.50~5.50

"

"

"

"

5.50~8.50

±0.060

±0.040

"

0.040

8.50~9.00

"

±0.050

"

0.050

9.00

"

"

"

"

비틀림 횟수
 

Classification

Wire diameter
(mm)

High strength
hard steel wire

Piano wire

KS

KS

The number of twists

~0.70

More than 20 times

0.70~2.00

"

More than 25 times

2.00~3.50

More than 15 times

More than 20 times

3.50~6.00

More than 10 times

More than 15 times

파단면 및 비틀림의 상태

Classification

High strength
hard steel wire

Piano wire

KS

KS

Condition of
fracture plane

The primary fracture plane should be perpendicular to a line shaft and have no serious flaw or crack and the secondary fracture plane should not be considered.

It should be perpendicular to a line shaft and
have no dividedness.

Condition of
twisting

It should have no serious longitudinal crack,
fault and local twisting.

It should be even across the entire length and have no groove or local twisting and not be
a significant spiral form.

Condition of
decarburized layer

-

A harmful decarburized layer should not be found.

 

 

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