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

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Well-run equipment, professional sales team, and better after-sales services; We are also a unified big family, everyone stick to the company value "unification, dedication, tolerance" for Weld Neck Reducing Flange , Pn16 Forged Flange , Blind Flange Dimension , And there are also a lot of overseas close friends who came for sight seeing, or entrust us to buy other stuff for them. You will be most welcome to come to China, to our city and to our manufacturing facility!
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

 

 


Product detail pictures:

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


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We keep improving and perfecting our products and service. At the same time, we work actively to do research and development for Factory directly supply Pipe Flanges Fittings - Stainless steel welded pipes – Triround, The product will supply to all over the world, such as: Slovenia , Kuwait , Portland , With the development and enlargement of mass clients abroad, now we've set up cooperative relationships with many major brands. We've our own factory and also have many reliable and well-cooperated factories in the field. Adhering to the "quality first, customer first, We are provideing high-quality, low-cost items and first-class service to customers. We sincerely hope to establish business relationship with customers from all over the world on the basis of quality, mutually benefit. We welcome OEM projects and designs.
  • Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Dale from Tunisia - 2015.06.12 16:22
    In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.
    5 Stars By Maureen from Honduras - 2015.06.12 16:22

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