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7 wires strand , reinforcement cable under EN 10138 standard  – YUANXIAN HIGH-TECH MATERIAL TRADING (TIANJIN) CO.,LTD | all.biz
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7 wires strand , reinforcement cable under EN 10138 standard
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7 wires strand , reinforcement cable under EN 10138 standard

Code: EN 10138-3-Y1860S7-15,2-
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Technical characteristics
  • BrandYUANXIAN XINKE
  • Country of manufactureChina
  • Colorblack
  • GTIN9.3 ,12.5, 15.2, 12.9, 15.7
  • high tensile strength1860Mpa
  • ELONGATION (lo≥500mm)≥3.5%
  • Modulus of elasticity Gpa≥200
  • Relaxation Value 1000h r/%II
  • STEEL GRADEHigh Carbon
Description

We are manufacturing PC strand of normal sizes, including 9.3,12.5,15.2 under pr EN10138 , 9.53 ,12.7 ,15.24 under GB/T5224 and ASTM A416 .

 

Manufacture

 

1.1 General

 

The strand shall be manufactured from wire produced from wire rod conforming to EN 10016 - 1 and EN 10016 - 2 or EN 10016 - 4 and from steel in accordance with prEN 10138 - 1.

 

1.2 Stranding process

 

1.2.1 2 - wire strand

 

The strand shall consist of two wires of the same nominal diameter, spun together in helical form over a theoretical common axis with a lay length of 14 to 22 times the nominal strand diameter.

 

1.2.2 3 - wire strand

 

The strand shall consist of three wires of the same nominal diameter, spun together in helical form over a theoretical common axis with a lay length of 14 to 22 times the nominal strand diameter.

 

1.2.3 7 - wire strand

 

The strand shall include a straight central wire,  called a core wire around which are spun six wires in one layer. The outer wires shall be tightly spun around the central wire with a lay length between 14 and 18 times the nominal strand diameter. The diameter of the central wire shall be at least 3,0 % greater than the diameter of the outer helical wires.

 

1.2.4 7 - wire compacted strand

 

Seven wire strand which after stranding has been compacted by drawing or rolling before stress relief treatment. When stranding and compacting are carried out simultaneously, the straight central wire shall be at least the same diameter as the outer helical wires. The latter shall have a lay length of 14 to 18 times the nominal strand diameter.

 

1.3 Indented strand

 

Indentation of wires of 3 - wire strand or the indented outer wires of 7 - wire strand shall be completed before stranding.

 

NOTE 1 The centre wire of indented 7 - wire strand is normally plain.

 

The dimensions of the indentation shall be in accordance with Table 2 and Figure 1. One line of indentations shall be at a contrary angle to the others.

 

NOTE 2 Other types of indentation may be presented but should be fully specified in a similar manner to Table 2 and Figure 1 by the producer and accepted by the purchaser.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- - `, `, , `, ``, ``, , `, , , `, `, `, , , `, ` - ` - `, , `, , `, `, , ` - - -

 

prEN 10138 - 3: 2006 (E)

 

 

 

 

 

 

 

Table 2 — Specified indentation

Dimensions in mm

 

Nominal strand diameter

 

d

Nominal depth

 

 

a

Depth tolerance

Length

 

 

 

l

Spacing

 

 

 

c

£ 12

 

> 12

0,06

 

0,07

± 0,03

 

± 0,03

3,5 ± 0,5

 

3,5 ± 0,5

5,5 ± 0,5

 

5,5 ± 0,5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 1 — Indentation

 

 

 

 

 

 

 

 

 

 

 

 

8

 

prEN 10138 - 3: 2006 (E)

 

 

Requirements

 

2.1 General

 

Nominal and specified properties shall be in accordance with Tables 3, 4 and 5.

 

2.2 Behaviour during cutting

 

When the strand is cut with a disc cutter, the individual wires either shall not unravel or shall be capable of being repositioned without difficulty.

 

2.3 Straightness

 

Straightness shall be determined in accordance with EN ISO 15630 - 3. The maximum bow height from a base line 1 m in length, measured from the inside of the curve, shall be not greater than 25 mm for all strand diameters.

 

NOTE Alternative agreements on straightness including for cut lengths using the method in EN ISO 15630 - 3 may be made between producer and purchaser at the time of ordering.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

prEN 10138 - 3: 2006 (E)

 

 

 

 

 

Table 3 — Dimensions and properties of 2 and 3 wire strands

 

Steel designation

Nominal a

Specified

Steel name

Steel number

Diameter

 

d

mm

Tensile strength Rm

MPa

Cross - sectional area b

Sn

mm2

Mass per metre b

M

g/m

Permitted deviation on mass per metre

%

Characteristic value of maximum force Fm

kN

Maximum value of maximum force

Fm, max

kN

Characteristic value of 0,1% proof force Fp0,1 c

kN

Y1770S2

1.1345

5,6

1 770

9,70

75,8

± 2

17,2

20,3

15,1

6,0

15,1

117,9

26,7

31,5

23,5

Y1770S3

1.1359

7,5

1 770

29,0

226,5

± 2

51,3

60,5

45,1

Y1860S2

1.1346

4,5

1 860

7,95

62,1

± 2

14,8

17,4

13,0

 

 

Y1860S3

 

 

1.1360

4,85

 

 

1 860

11,9

92,9

 

± 2

22,1

26,1

19,4

6,5

21,2

165,6

39,4

46,5

34,7

6,9

23,4

182,8

43,5

51,3

38,3

7,5

29,0

226,5

53,9

63,6

47,4

8,6

37,4

292,1

69,6

82,1

61,2

Y1920S3

1.1357

6,3

1 920

19,8

154,6

± 2

38,0

44,8

33,4

6,5

21,2

165,6

40,7

48,0

35,8

 

Y1960S3

 

1.1361

4,8

 

1 960

12,0

93,7

 

± 2

23,5

27,7

20,9

5,2

13,6

106,2

26,7

31,5

23,8

6,5

21,2

165,5

41,6

49,0

37,0

6,85

23,6

184,3

46,3

54,6

41,2

Y2060S3

1.1362

5,2

2 060

13,6

106,2

± 2

28,0

33,0

24,9

Y2160S3

1.1363

5,2

2 160

13,6

106,2

± 2

29,4

34,7

26,2

a The modulus of elasticity may be taken to be 195 GPa (kN/mm2).

b The nominal mass per metre is calculated from the cross - sectional area and a density of 7,81 kg/dm3.

c The specified characteristic value of the 0,1 % proof force is calculated:

— For the grades Y1770S2, Y1770S3, Y1860S2, Y1860S3 and Y1920S3 for all diameters as 88 % of the specified characteristic value of the maximum force;

— For the grades Y1960S3, Y2060S3 and Y2160S3 for all diameters as 89 % of the specified characteristic value of the maximum force.

 

 

 

 

10

 

prEN 10138 - 3: 2006 (E)

 

 

 

 

 

 

 

Table 4 — 7 wire strand - Dimensions and properties

 

Steel designation

Nominal a

Specified

Steel name

Steel number

Diameter

D

mm

Tensile strength Rm

MPa

Cross - sectional area b

Sn

mm2

Mass per metre b M

g/m

Permitted deviation on mass per metre

%

Characteristic value of maximum force

 

Fm

kN

Maximum value of maximum force

 

Fm, max

kN

Characteristic value of 0,1 % proof force c

Fp0,1

kN

Y1670S7

1.1364

15,2

1 670

139

1 086

± 2

232

274

204

Y1700S7G

1.1370

18,0

1 700

223

1 742

± 2

379

447

334

 

 

 

 

 

 

Y1770S7

 

 

 

 

 

1.1365

6,9

 

 

 

 

 

1 770

29,0

226,5

 

 

 

 

± 2

51,3

60,5

45,1

9,0

50,0

390,5

88,5

105

77,9

9,3

52,0

406,1

92,0

109

81,0

9,6

55,0

429,6

97,4

115

85,7

11,0

70,0

546,7

124

147

109

12,5

93,0

726,3

165

195

145

12,9

100

781,0

177

209

156

15,2

139

1 086

246

290

216

15,3

140

1 093

248

292

218

15,7

150

1 172

266

314

234

18,0

200

1 562

354

418

312

Y1820S7G

1.1371

15,2

1 820

165

1 289

± 2

300

354

264

Y1860S7

1.1366

6,9

1 860

29,0

226,5

± 2

53,9

63,6

47,4

7,0

30,0

234,3

55,8

65,9

49,1

8,0

38,0

296,8

70,7

85,6

62,2

9,0

50,0

390,5

93,0

110

81,8

9,3

52,0

406,1

96,7

114

85,1

9,6

55,0

429,6

102

120

89,8

11,0

70,0

546,7

130

154

114

11,3

75,0

585,8

140

165

123

12,5

93,0

726,3

173

204

152

12,9

100

781,0

186

220

164

 

 

11

 

prEN 10138 - 3: 2006 (E)

 

 

 

Table 4 — 7 wire strand - Dimensions and properties

 

Steel designation

Nominal a

Specified

Steel name

Steel number

Diameter

D

mm

Tensile strength Rm

MPa

Cross - sectional area b

Sn

mm2

Mass per metre b M

g/m

Permitted deviation on mass per metre

%

Characteristic value of maximum force

 

Fm

kN

Maximum value of maximum force

 

Fm, max

kN

Characteristic value of 0,1 % proof force c

Fp0,1

kN

 

 

13,0

 

102

796,6

 

190

225

167

15,2

139

1 086

259

306

228

15,3

140

1 093

260

307

229

15,7

150

1 172

279

329

246

Y1860S7G

1.1372

12,7

1 860

112

874,7

± 2

208

245

183

15,2

165

1 289

307

362

270

Y1960S7

1.1367

9,0

1 960

50,0

390,5

±2

98,0

116

87,2

9,3

52,0

406,1

102

120

90,8

 

 

Y2060S7

 

 

1.1368

6,4

 

 

2 060

25,0

195,3

 

± 2

51,5

60,7

45,8

6,85

28,2

220,2

58,1

68,5

51,7

7,0

30,0

234,3

61,8

72,9

55,0

8,6

45,0

351,5

92,7

110

82,5

11,3

75,0

585,8

155

183

138

Y2160S7

1.1369

6,85

2 160

28,2

220,2

± 2

60,9

71,8

54,2

a The modulus of elasticity may be taken to be 195 GPa (kN/mm2).

b The nominal mass per metre is calculated from the nominal cross - sectional area and a density of 7,81 kg/dm3.

c The specified characteristic value of the 0,1 % proof force is calculated:

— For the grades Y1670S7, Y1700S7G, Y1770S7, Y1820S7G, Y1860S7 and Y1860S7G for all diameters as 88 % of the specified characteristic value of the maximum force;

— For the grades Y1960S7, Y2060S7 and Y2160S7 for all diameters as 89 % of the specified characteristic value of the maximum force.

 

 

 

 

 

 

 

 

 

 

12 - - `, `, , `, ``, ``, , `, , , `, `, `, , , `, ` - ` - `, , `, , `, `, , ` - - -

 

prEN 10138 - 3: 2006 (E)

 

 

 

Table 5 — Additional requirements for prestressing strand

 

Property

Specification

Force ratio σ

dSW ≥ 3 mm

dSW  mm

0,85 to 0,95

0,85 to 0,97

Minimum total percentage elongation at maximum force, Agt,

with Lo ³ 500 mm

3,5 %

Reduction in area at break

Ductile wire breaks visible to the unaided eye a

 

Maximum relaxation at 1 000 h b

For initial force corresponding to

70 %  Fma

80 %  Fma

 

 

2,5 %

4,5 % b

Fatigue force range Fr with upper limit Fup according to 70 % actual maximum force (Fma) Class F1

- for plain strand

 

 

- for indented strand

190 MPa x Sn

for ³ 2 x 106 cycles 170 MPa x Sn

for ³ 2 x 106 cycles

Fatigue force range Fr with upper limit Fup according to 80 % actual maximum force (Fma) Class F2

- for plain strand

 

 

- for indented strand

200 MPa x Sn

for ³ 2 x 106 cycles 180 MPa x Sn

for ³ 2 x 106 cycles

 

 

 

Stress corrosion resistance

80 % actual max. force (Fma)

 

 

 

Class C1

 

 

Class C1L

 

 

Test solution A c

 

Test solution A

 

Minimum (h)

Median (h)

dsw ³ 3,2 mm

2,0

5

dsw 

1,5

3

dsw ³ 3,2 mm

1,5

4

 

Class C2 d

Test solution A c

dsw ³ 3,2 mm

2,0

5

dsw 

1,5

3

Test solution B

 

2 000

-

Maximum D - value of deflected tensile test applies to:

- 7 - wire strand with a nominal diameter > 12,5 mm:

- 7 - wire compacted strand.

 

28 % e

 

 

 

 

 

 

 

 

 

13

 

prEN 10138 - 3: 2006 (E)

 

 

 

Table 5 (Continued)

 

 
 

 

 

 

 

 

Evaluation of conformity

 

The requirements in prEN 10138 - 1 shall be met.

 

 

Test methods

 

The test methods shall be in accordance with EN ISO 15630 - 3.

 

 

Delivery conditions

 

5.1 Identification

 

The requirements in prEN 10138 - 1 shall be met.

 

5.2 Delivery documentation

 

The requirements in prEN 10138 - 1 shall be met.

 

NOTE Where documents refer to the steel heat for strands, the heat shall be that of the predominate heat in the constituent wires of the strands

 

5.3 Dimensions and mass of unit of product

 

The dimensions and mass of the unit of product shall be agreed at the time of ordering between the purchaser and the producer consistent with the restrictions in prEN 10138 - 1. The producer shall state the coil dimensions.

 

5.4 Packaging

 

 

The coils shall be correctly conditioned (restraining bands) so as not to be damaged (collapse) during transport. The coils shall be marked with the direction of unwinding. A particular conditioning (e. g. core for the coil, packing paper or paperboard, protection by a water - soluble oil film) may be agreed between the purchaser and the producer.

 

Except these sizes , we are producing some special sizes as below,

steel cable

Some photos as below

 

steel cable

steel cable

steel cable

steel cable

steel cable

steel cable

steel cable

 

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7 wires strand , reinforcement cable under EN 10138 standard
7 wires strand , reinforcement cable under EN 10138 standard
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