Factory directly supply Pipe Flanges Fittings - Stainless steel welded pipes – Triround

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Factory directly supply Pipe Flanges Fittings - Stainless steel welded pipes – Triround Detail:

Material:304 316 202 201

OR ACCORDING TO CUSTOMERS  REQUIREMENTS

Executive standard: ASTM  A-249, A-269

Outside diameter

Outside

Thickness

SCH 5S

SCH 10S

SCH 40S

N.B

NPS

mm

mm

mm

mm

8

1/4′

13.72

2.24

10

3/8′

17.15

2.31

15

1/2′

21.34

1.65

2.11

2.77

20

3/4′

26.67

1.65

2.11

2.87

25

1′

33.40

1.65

2.77

3.38

32

1-1/4′

42.16

1.65

2.77

3.56

40

1-1/2′

48.26

1.65

2.77

3.68

50

2′

60.33

1.65

2.77

3.91

65

2-1/2′

73.03

2.11

3.05

5.16

80

3′

88.90

2.11

3.05

5.49

90

3-1/2′

101.60

2.11

3.05

5.74

100

4′

114.30

2.11

3.05

6.02

125

5′

141.30

2.77

3.4

6.55

150

6′

168.28

2.77

3.4

7.11

200

8′

219.08

2.77

3.76

8.18

250

10′

273.05

3.40

4.19

9.27

300

12′

323.85

3.96

ASTM A249 Tolerances on dimensions table

Outside diameter

Thickness

Length

25.40mm

±0.10mm

±10.00%

OD50.8mm +3.0mm -0mm

OD≥50.8mm +5.0 -0mm

≥25.4mm~38.1mm

±0.15mm

≥38.1mm~50.8mm

±0.20mm

≥50.8mm~63.5mm

±0.25mm

≥63.5mm~76.2mm

±0.30mm

≥76.2mm~101.6mm

±0.38mm

≥101.6mm~190.5mm

+0.38mm -0.64mm

≥190.5mm~228.6mm

+0.38mm -1.14mm

ASTM A269 Tolerances on dimensions table

Outside diameter

Thickness

Length

38.1mm

±0.13mm

OD12.7mm ±15%

OD≥12.7mm ±10%

OD38.1mm +3.20mm -0mm

OD≥38.1mm +4.80 -0mm

≥38.1mm~88.9mm

±0.25mm

≥88.9mm~139.7mm

±0.38mm

≥139.7mm~203.7mm

±0.76mm

≥203.7mm~304.8mm

±1.01mm

≥304.8mm~355.6mm

±1.26mm

Executive standard: ASTM A-270

Outside diameter

Thickness(mm)

(inch)

(mm)

1

1.2

1.5

2

2.5

3

3/4′

19.1

 

 

 

 

 

 

7/8′

22.2

 

 

 

 

 

 

1′

25.4

 

 

 

 

 

 

1-1/8′

28.6

 

 

 

 

 

 

1-1/4′

31.8

 

 

 

 

 

 

1-1/2′

38.1

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

45

 

 

 

 

 

 

2

50.8

 

 

 

 

 

 

 

52

 

 

 

 

 

 

2-1/4′

57.15

 

 

 

 

 

 

2-1/8′

60.3

 

 

 

 

 

 

2-1/2′

63.5

 

 

 

 

 

 

 

70

 

 

 

 

 

 

3

76.2

 

 

 

 

 

 

 

85

 

 

 

 

 

 

3-1/2′

88.9

 

 

 

 

 

 

4′

101.6

 

 

 

 

 

 

4-1/8′

104.78

 

 

 

 

 

 

4-1/4′

107.95

 

 

 

 

 

 

4-1/2′

114.3

 

 

 

 

 

 

5-1/4′

133.35

 

 

 

 

 

 

6-1/4′

158.75

 

 

 

 

 

 

8-5/8′

219.08

 

 

 

 

 

Tolerances on dimensions table

Outside diameter

Thickness

Length

25.40mm

±0.13mm

±10.00%

OD101.60mm +3.20mm -0mm

OD≥101.60mm +4.80 -0mm

≥25.40mm~50.80mm

±0.20mm

≥50.80mm~76.20mm

±0.25mm

≥76.20mm~101.60mm

±0.38mm

≥101.60mm~139.70mm

±0.38mm

≥139.70mm~203.20mm

±0.76mm

≥203.20mm~304.80mm

±1.27mm

Executive standard: ASME B36.19M/B36.10M ASTM A358/A312; GB/T12771; HG20537.3

Outside diameter

Outside

Thickness

SCH 5S

SCH 10S

SCH 20S

SCH 40S

 

(A)

(B)

mm

mm

mm

mm

mm

 

350

14′

355.6

3.96

4.78

7.92

11.13

 

400

16′

406.4

4.19

4.78

7.92

12.7

 

450

18′

457.2

4.19

4.78

7.92

14.27

 

500

20′

508.0

4.78

5.54

9.53

15.09

 

550

22′

558.8

4.78

5.54

9.53

15.09

 

600

24′

609.6

5.54

6.35

9.53

17.48

 

650

26′

660.4

5.54

7.92

12.7

17.48

   

700

28′

711.2

5.54

7.92

12.7

17.48

   

750

30′

762.0

6.35

7.92

12.7

17.48

   

800

32′

812.8

 

7.90

12.7

17.48

   

850

34

863.6

 

7.92

12.7

17.48

   

900

36′

914.4

 

7.92

12.7

19.05

   

1000

40′

1016.0

 

9.53

 

 

 

Tolerances on dimensions table

Standard

Outside(mm)

Thickness(mm)

Length(mm)

ASTM A312

≤48.26

+0.40 -0.80

+No special provisions(Unspecified)

-12.50%

Appoint Length

Definite cut length

+6.40

-0

>48.26~114.30

+0.80 -0.80

>114.30~219.08

+1.60 -0.80

>219.08~457.20

+2.40 -0.80

>457~660

+3.20/-0.80

>660~864

+4.00/-0.80

>864~1219

+4.48/-0.80

JIS G3459

<30.00 ±0.30

≥30.00 ±1.00%

<2.00 ±0.20

≥2.00 ±10%

Appoint Length

Definite cut Length

GB/T 12771

<13.00 ±0.20

13.00~40.00 ±0.30

≥40.00 ±0.80%

≤4.00 +0.50 -0.60

>4.00 ±10%

+20.00

-0

EN 10217-7

D1±1.50% with±0.75mm(min)

D2±1.00% with±0.50mm(min)

D3±0.75% with±0.30mm(min)

D4±0.5% with±0.10mm(min)

T1±15.00% with±0.60mm(min)

T2±12.5% with±0.40mm(min)

T3±10.00% with±0.20mm(min)

T4±7.50% with±0.15mm(min)

T5±5.00% with±0.10mm(min)

EN ISO 1127

≤6000 +5.00 -0

6000~12000 +10.00 -0

 

 


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Factory directly supply Pipe Flanges Fittings -
 Stainless steel welded pipes – Triround detail pictures


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