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Galvanized Steel Strand ASTM A475

Quantity:

Specification Of Galvanized Steel Strand

Material: high carbon steel

Galvanized steel wire size: Φ1.44mm-4.770mm

Strand size:7×1.44-4.2 mm;19×1.44-3.5mm;37×1.44-3.5mm

Tensile strength: different Grade from min.1470 N/mm2 to min.1960N/mm2

Zinc coating: According to ASTM A475 Class A

Meets ASTM Specifications A475 or A363 or ASTM B498 or BS EN 50189

ISO management system certification:ISO9001:2008, ISO18001,ISO14001

Zinc coated steel wires strand (ASTM A 475)

This specification covers five grades of zinc-coated steel wire strands, for use as guy, messengers and span wires.

Physical Properties of Zinc Coated Steel Wires Strand

Nominal diameter of Strand. In (mm)

Number of Wires in Strand

Nominal diameter of Coated Wires in Strand. (mm)

Approximate Weight of Strand(kg/304.8m)

Minimum Breaking Strength of Strand (KN)

Utilities Grade

Common Grade

Siemens Martin Grade

High Strength
  Grade

Extra High Strength Grade

3/16  (4.76)

7

1.57

33

-----

5.115

8.452

12.677

17.748

7/32  (5.56)

3

2.64

40

-----

6.228

10.409

15.569

21.796

7/32  (5.56)

7

1.83

44

------

6.850

11.387

17.126

24.020

1/4   (6.35)

7

2.03

55

------

8.452

14.012

21.129

29.581

9/32  (7.14)

7

2.36

74

20.462

11.432

18.905

28.469

39.812

5/16  (7.94)

7

2.64

93

-----

14.234

23.798

35.586

49.820

3/8   (9.52)

7

3.05

124

51.155

18.905

30.915

48.040

68.503

7/16  (11.11)

7

3.68

181

80.068

25.355

41.591

64.499

92.523

1/2   (12.70)

7

4.19

234

111.206

32.917

53.823

83.627

119.657

1/2   (12.70)

19

2.54

229

------

33.895

56.492

84.961

118.768

9/16  (14.29)

19

2.87

289

-------

42.881

71.616

107.202

149.905

5/8  (15.88)

19

3.18

361

-------

48.930

80.513

124.995

178.819

3/4  (19.05)

19

3.81

524

-------

71.172

116.643

181.487

259.331

Nominal Diameters and Minimum Weights of Coating for Zinc-Coated Steel Wires

Diameter(mm)

1.57

1.65

1.83

2.03

2.36

2.54

2.64

2.77

3.05

3.18

3.30

3.63

3.68

3.81

4.09

4.19

4.50

4.55

Zinc Coated(g/m2)

153

153

153

183

214

214

244

244

259

259

259

275

275

275

275

275

275

275

Raw Material Of Galvanized Steel Strand

Our raw material is high quality carbon steel hot rolled wire rod according to the standard GB/T4354-2008 .

The chemical composition of the steel conforms to the GB/T699-1999 standard.

Chemical Composition

Grade

Chemical composition table%


C

Si

Mn

P

S

45

0.42-0.50

0.17-0.37

0.5-0.80

≦0.035

≦0.035

60

0.57-0.65

0.17-0.37

0.5-0.80

≦0.035

≦0.035

65

0.62-0.70

0.17-0.37

0.5-0.80

≦0.035

≦0.035

70

0.67-0.75

0.17-0.37

0.5-0.80

≦0.035

≦0.035

SWRH77B

0.74-0.81

0.15-0.35

0.6-0.90

≦0.030

≦0.030

SWRH82B

0.79-0.86

0.15-0.35

0.6-0.90

≦0.030

≦0.030


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