ASTM A795 Grade B

ASTM A795 Grade B

ASTM A795 Grade B Carbon Steel Pipes is one of the most commonly used for general purpose applications worldwide. ASTM A795 Grade B Pipes are ductile and strong Pipes with long-wearing properties. These Pipes are manufactured as per ASTM specifications.

The ASTM A795 Grade B specification applies to welded and steel pipe in diameters ranging from NPS 1/2 to NPS 10. Pipe with different wall thicknesses may be supplied as long as it meets all of the other requirements of this standard. TUSPIPE will generate a recommended pipe size after receiving your inquiry. To create the best tubing for the ultimate application, grade, chemical analysis, and surface condition are carefully studied, and production procedures are adjusted.

PRODUCT FEATURES

Specifications of ASTM A795 Grade B

Standards: ASTM A795

Dimension: Sch10/ Sch40 as ASME B36.10M

Pipe End: Threaded end, Grooved end, Beveled end

Surface: Hot dip galvanized, Black painted, Red-painted

Application: Fire main pipe, fire pump pipe, fire standpipe, fire sprinkler pipe

Chemical Composition of ASTM A795 Grade B

Grades

C, max

Mn

P

S

Mo

Ni

Cr

Cor

Others

Grade B

0.30

1.20

0.035

0.035

ASTM A795 Grade B Size Tolerance

Wall Thickness: The minimum wall thickness at any location should not deviate from the nominal wall thickness by more than 12.5 percent.

OD: Outside diameter at any point should not deviate more than 1% from the specification stated (for 2′′ NPS and bigger).

Dimensions, Weights, and Test Pressure for ASTM A795 Grade B Pipe

PIPE SCHEDULE 10

NPS Designator

Outside Diameter

Nominal Wall Thickness

Weight Plain End

Test Pressures

Fumace-Welded

Electric-Resistance Weld

in.

mm

in.

mm

lb/ft

kg/m

psi

MPa

psi

MPa

3/4

1.050

26.7

0.08.

2.11

0.86

1.28

500

3.45

700

4.83

1

1.315

33.4

0.109

2.77

1.40

2.1

500

3.45

700

4.83

1 1/4

1.660

42.1

0.109

2.77

1.81

2.72

500

3.45

1000

6.89

1 1/2

1.900

48.3

0.109

2.77

2.08

3.12

500

3.45

1000

6.89

2

2.375

60.3

0.109

2.77

2.64

3.96

500

3.45

1000

6.89

2 1/2

2.875

73.0

0.120

3.05

3.53

5.30

500

3.45

1000

6.89

3

3.500

88.9

0.120

3.05

4.33

6.50

500

3.45

1000

6.89

3 1/2

4.000

101.6

0.120

3.05

4.97

7.46

500

3.45

1200

8.27

4

4.500

114.3

0.120

3.05

5.61

8.36

500

3.45 

1200

8.27

5

5.563

141.3

0.134

3.40

7.77

11.58

B

B

1200

8.27

6

6.625

168.3

0.134

3.40

9.29

13.84

B

B

1000

6.89

8

8.625

219.1

0.188C

4.8

16.94

25.41

B

B

800

5.51

10

10.750

273.0

0.188C

4.8

21.21

31.82

B

B

700

4.83

Pipe Schedule 30 and Schedule 40

NPS Designator

Outside Diameter

Nominal Wall Thickness C

Weight Plain End

Weight Thread and Couplings A

Test Pressure

Fumace-Welded

Electric-Resistance Weld

in.

mm

in.

mm

lb/ft

kg/m

lb/ft

kg/m

psi

MPa

psi

MPa

1/2

0.840

21.3

0.109

2.77

0.85

1.27

0.85

1.27

700

4.83

700

4.83

3/4

1.050

26.7

0.113

2.87

1.13

1.68

1.13

1.68

700

4.83

700

4.83

1

1.315

33.4

0.133

3.38

1.68

2.50

1.68

2.50

700

4.83

700

4.83

1 1/4

1.660

42.1

0.140

3.56

2.27

3.38

2.28

3.38

1000

6.89

1000

6.89

1 1/2

1.900

48.3

0.145

3.68

2.72

4.05

2.73

4.06

1000

6.89

1000

6.89

2

2.375

60.3

0.154

3.91

3.65

5.43

3.68

5.48

1000

6.89

1000

6.89

2 1/2

2.875

73.0

0.203

5.16

5.79

8.62

5.82

8.66

1000

6.89

1000

6.89

3

3.500

88.9

0.216

5.49

7.58

11.28

7.62

11.34

1000

6.89

1000

6.89

3 12

4.00

101.6

0.226

5.74

9.11

13.56

9.20

13.68

1200

8.27

1200

8.27

4

4.500

114.3

0.237

6.02

10.79

16.06

10.90

16.22

1200

8.27

1200

8.27

5

5.563

141.3

0.258

6.55

14.62

21.76

14.81

22.04

  B

B

1200

8.27

6

6.625

168.3

0.280

7.11

18.97

28.34

19.18

28.66

  B

B

1200

8.27

8

8.625

219.1

0.277C

7.04

24.70

36.90

25.55

38.17

  B

B

1200

8.27

10

10.750

273.0

0.277C

7.80

34.24

51.16

35.75

53.41

  B

B

1000

6.89

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