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Electric resistance welded carbon steel

ASTM A 178 A-02

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GAUGE

OUTSIDE DIAMETER

0.049"

0.065"

0.083"

0.095"

0.109"

0.120"

0.134"

0.148"

0.165"

1/2"

5/8"

3/4"

7/8"

1 1/4"

1 1/2"

1 3/4"

2 1/4"

2 3/8"

2 1/2"

3 1/4"

3 1/2"

Chemical composition %

ASTM A 178

GR. A

Carbon

0.06-0.18

Magnesium

0.27-0.63

Phosphorus max.

0.035

Sulfur max.

0.035

Mechanical features

ASTM Specs.

Heat treatment
°C

Yield strength
Ksi

Tensile strength
Ksi

Elongation

%

Hardness

HRB

A 178 Gr. A

900° min

26*

47*

35*

77 max

Tests

Flatness

Flange

Hydrostatic

* Designing effects

Seamless carbon steel boiler tube

ASTM A 179, A 192 or A 210

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0.71

0.89

1.24

1.65

2.10

2.41

2.76

3.04

3.40

3.76

4.19

GAUGE

OUTSIDE DIAMETER

0.028"

0.035"

0.049"

0.065"

0.083"

0.095"

0.109"

0.120"

0.134"

0.148"

0.165"

3.17

1/8"

4.76

3/16"

6.00

6 X 2

6.35

1/4"

7.93

5/16"

9.53

3/8"

11.11

7/16"

12.70

1/2"

15.87

5/8"

19.05

3/4"

22.22

7/8"

25.40

31.75

1 1/4"

38.10

1 1/2"

44.45

1 3/4"

50.80

57.15

2 1/4"

60.32

2 3/8"

63.50

2 1/2"

76.20

82.55

3 1/4"

88.90

3 1/2"

101.60

Chemical composition %

ASTM A

192

210-A1

210 - C

Carbon

0.06-0.18

0.27 max

0.35 max

Magnesium

0.27-0.63

0.93 max

0.29 - 1.06

Phosphorus max.

0.035

Sulfur max.

0.035

Silicon

0.025 max.

0.10 min

Mechanical features

ASTM Specs.

Heat treatment
°C

Yield strength
Ksi

Tensile strength
Ksi

Elongation

%

Hardness

HRB

A 192

650° min

26*

47*

35*

77 max

A 210 A-1

650° min

37*

60*

30*

79 max

A 210 C

650° min

40*

70*

30*

89 max

Tests

Flatness

Flange

Hydrostatic

* Designing effects

Hydrostatic Pressure Testing

ASTM A 178, 179, 192, 210 and 214

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Unit - Psi

GAUGE

OUTSIDE DIAMETER

0.028"

0.035"

0.049"

0.065"

0.083"

0.095"

0.109"

0.120"

0.134"

0.148"

0.165"

1/8"

7,168

3/16"

4,779

6 x 2"

10,169

1/4"

3,584

4,480

6,272

5/16"

2,867

3,584

5,018

6,656

3/8"

2,389

2,987

4,181

5,547

7/16"

2,048

2,560

3,584

4,754

1/2"

1,792

2,240

3,136

4,160

5,312

5/8"

1,434

1,792

2,509

3,328

4,250

3/4"

2,091

2,773

3,541

4,053

4,651

7/8"

1,792

2,377

3,035

3,474

3,986

1,568

2,080

2,656

3,040

3,488

3,840

1 1/4"

2,790

3,072

3,430

1 1/2"

2,325

2,560

2,859

3,157

1 3/4"

1,993

2,194

2,450

2,706

3,017

1,744

1,920

2,144

2,368

2,640

2 1/4"

1,550

1,707

1,906

2,105

2,347

2 1/2"

1,395

1,536

1,715

1,894

2,112

1,163

1,280

1,429

1,579

1,760

3 1/4"

1,182

1,319

1,457

1,625

3 1/2"

1,097

1,225

1,353

1,509

3 1/4"

960

1,072

1,184

1,320

Electric resistance welded carbon steel

ASTM A 178 A-02

Seamless carbon steel boiler tube

ASTM A 179, A 192 or A 210

Hydrostatic Pressure Testing

ASTM A 178, 179, 192, 210 and 214

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