Carbon Steel Weld Neck Flange

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Carbon Steel Weld Neck Flange

Holic® offers Carbon Steel Weld Neck Flange of various standards and sizes.

Item Name: Carbon Steel Weld Neck Flange/CS Weld Neck Flange.

Brand: HOLIC®.

Product Description

Carbon Steel Weld Neck Flange

Holic® offers Carbon Steel Weld Neck Flange of various standards and sizes.

Item Name: Carbon Steel Weld Neck Flange/CS Weld Neck Flange.

Brand: HOLIC®.


CLASS 150 According to ASTM A/SA-105; ANSI B16.5
Nominal Pipe Size Outside Diam. of Flange (O) Thick. of Flange (C) Diam. of Raised Face (R) Diam. of Hub at Base (X) Diam. of Hub at Point of Welding (A) Length thru Hub (Y) No. of Holes Diam. of Holes Diam. of Bolts Diam. of Bolt Circle Approx. Weight (in Pounds)
1/2 3.5 0.44 1.38 1.19 0.84 1.88 4 0.62 0.5 2.38 2
3/4 3.88 0.5 1.69 1.5 1.05 2.06 4 0.62 0.5 2.75 2
1 4.25 0.56 2 1.94 1.32 2.19 4 0.62 0.5 3.12 3
1 1/4 4.62 0.62 2.5 2.31 1.66 2.25 4 0.62 0.5 3.5 3
1 1/2 5 0.69 2.88 2.56 1.9 2.44 4 0.62 0.5 3.88 4
2 6 0.75 3.62 3.06 2.38 2.5 4 0.75 0.62 4.75 6
2 1/2 7 0.88 4.12 3.56 2.88 2.75 4 0.75 0.62 5.5 8
3 7.5 0.94 5 4.25 3.5 2.75 4 0.75 0.62 6 10
3 1/2 8.5 0.94 5.5 4.81 4 2.81 8 0.75 0.62 7 12
4 9 0.94 6.19 5.31 4.5 3 8 0.75 0.62 7.5 15
5 10 0.94 7.31 6.44 5.56 3.5 8 0.88 0.75 8.5 19
6 11 1 8.5 7.56 6.63 3.5 8 0.88 0.75 9.5 24
8 13.5 1.12 10.62 9.69 8.63 4 8 0.88 0.75 11.75 39
10 16 1.19 12.75 12 10.75 4 12 1 0.88 14.25 52
12 19 1.25 15 14.38 12.75 4.5 12 1 0.88 17 80
14 21 1.38 16.25 15.75 14 5 12 1.12 1 18.75 110
16 23.5 1.44 18.5 18 16 5 16 1.12 1 21.25 140
18 25 1.56 21 19.88 18 5.5 16 1.25 1.12 22.75 150
20 27.5 1.69 23 22 20 5.69 20 1.25 1.12 25 180
24 32 1.88 27.25 26.12 24 6 20 1.38 1.25 29.5 260
CLASS 300 According to ASTM A/SA-105; ANSI B16.5
Nominal Pipe Size Outside Diam. of Flange (O) Thick. of Flange (C) Diam. of Raised Face (R) Diam. of Hub at Base (X) Diam. of Hub at Point of Welding (A) Length thru Hub (Y) No. of Holes Diam. of Holes Diam. of Bolts Diam. of Bolt Circle Approx. Weight (in Pounds)
1/2 3.75 0.56 1.38 1.5 0.84 2.06 4 0.62 0.5 2.62 2
3/4 4.62 0.62 1.69 1.88 1.05 2.25 4 0.75 0.62 3.25 3
1 4.88 0.69 2 2.12 1.32 2.44 4 0.75 0.62 3.5 4
1 1/4 5.25 0.75 2.5 2.5 1.66 2.56 4 0.75 0.62 3.88 5
1 1/2 6.12 0.81 2.88 2.75 1.9 2.69 4 0.88 0.75 4.5 7
2 6.5 0.88 3.62 3.31 2.38 2.75 8 0.75 0.62 5 9
2 1/2 7.5 1 4.12 3.94 2.88 3 8 0.88 0.75 5.88 12
3 8.25 1.12 5 4.62 3.5 3.12 8 0.88 0.75 6.62 15
3 1/2 9 1.19 5.5 5.25 4 3.19 8 0.88 0.75 7.25 18
4 10 1.25 6.19 5.75 4.5 3.38 8 0.88 0.75 7.88 25
5 11 1.38 7.31 7 5.56 3.88 8 0.88 0.75 9.25 32
6 12.5 1.44 8.5 8.12 6.63 3.88 12 0.88 0.75 10.62 42
8 15 1.62 10.62 10.25 8.63 4.38 12 1 0.88 13 67
10 17.5 1.88 12.75 12.62 10.75 4.62 16 1.12 1 15.25 91
12 20.5 2 15 14.75 12.75 5.12 16 1.25 1.12 17.75 140
14 23 2.12 16.25 16.75 14 5.62 20 1.25 1.12 20.25 180
16 25.5 2.25 18.5 19 16 5.75 20 1.38 1.25 22.5 250
18 28 2.38 21 21 18 6.25 24 1.38 1.25 24.75 320
20 30.5 2.5 23 23.12 20 6.38 24 1.38 1.25 27 400
24 36 2.75 27.25 27.62 24 6.62 24 1.62 1.5 32 580
CLASS 600 According to ASTM A/SA-105; ANSI B16.5
Nominal Pipe Size Outside Diam. of Flange (O) Thick. of Flange (C) Diam. of Raised Face (R) Diam. of Hub at Base (X) Diam. of Hub at Point of Welding (A) Length thru Hub (Y) No. of Holes Diam. of Holes Diam. of Bolts Diam. of Bolt Circle Approx. Weight (in Pounds)
1/2 3.75 0.56 1.38 1.5 0.84 2.06 4 0.62 0.5 2.62 2
3/4 4.62 0.62 1.69 1.88 1.05 2.25 4 0.75 0.62 3.25 4
1 4.88 0.69 2 2.12 1.32 2.44 4 0.75 0.62 3.5 4
1 1/4 5.25 0.81 2.5 2.5 1.66 2.62 4 0.75 0.62 3.88 6
1 1/2 6.12 0.88 2.88 2.75 1.9 2.75 4 0.88 0.75 4.5 8
2 6.5 1 3.62 3.31 2.38 2.88 8 0.75 0.62 5 12
2 1/2 7.5 1.12 4.12 3.94 2.88 3.12 8 0.88 0.75 5.88 18
3 8.25 1.25 5 4.62 3.5 3.25 8 0.88 0.75 6.62 23
3 1/2 9 1.38 5.5 5.25 4 3.38 8 1 0.88 7.25 26
4 10.75 1.5 6.19 6 4.5 4 8 1 0.88 8.5 42
5 13 1.75 7.31 7.44 5.56 4.5 8 1.12 1 10.5 68
6 14 1.88 8.5 8.75 6.63 4.62 12 1.12 1 11.5 81
8 16.5 2.19 10.62 10.75 8.63 5.25 12 1.25 1.12 13.75 120
10 20 2.5 12.75 13.5 10.75 6 16 1.38 1.25 17 190
12 22 2.62 15 15.75 12.75 6.12 20 1.38 1.25 19.25 225
14 23.75 2.75 16.25 17 14 6.5 20 1.5 1.38 20.75 280
16 27 3 18.5 19.5 16 7 20 1.62 1.5 23.75 390
18 29.25 3.25 21 21.5 18 7.25 20 1.75 1.62 25.75 475
20 32 3.5 23 24 20 7.5 24 1.75 1.62 28.5 590
24 37 4 27.25 28.25 24 8 24 2 1.88 33 830
CLASS 900 According to ASTM A/SA-105; ANSI B16.5
Nominal Pipe Size Outside Diam. of Flange (O) Thick. of Flange (C) Diam. of Raised Face (R) Diam. of Hub at Base (X) Diam. of Hub at Point of Welding (A) Length thru Hub (Y) No. of Holes Diam. of Holes Diam. of Bolts Diam. of Bolt Circle Approx. Weight (in Pounds)
1/2 4.75 0.88 1.38 1.5 0.84 2.38 4 0.88 0.75 3.25 5
3/4 5.12 1 1.69 1.75 1.05 2.75 4 0.88 0.75 3.5 6
1 5.88 1.12 2 2.06 1.32 2.88 4 1 0.88 4 9
1 1/4 6.25 1.12 2.5 2.5 1.66 2.88 4 1 0.88 4.38 10
1 1/2 7 1.25 2.88 2.75 1.9 3.25 4 1.12 1 4.88 13
2 8.5 1.5 3.62 4.12 2.38 4 8 1 0.88 6.5 25
2 1/2 9.62 1.62 4.12 4.88 2.88 4.12 8 1.12 1 7.5 36
3 9.5 1.5 5.00 5.00 3.50 4.00 8 1.00 0.88 7.5 31
4 11.5 1.75 6.19 6.25 4.50 4.50 8 1.25 1.12 9.25 53
5 13.75 2 7.31 7.50 5.56 5.00 8 1.38 1.25 11 86
6 15 2.19 8.50 9.25 6.63 5.50 12 1.25 1.12 12.5 110
8 18.5 2.5 10.62 11.75 8.63 6.38 12 1.50 1.38 15.5 175
10 21.5 2.75 12.75 14.50 10.75 7.25 16 1.50 1.38 18.5 260
12 24 3.12 15.00 16.50 12.75 7.88 20 1.50 1.38 21 325
14 25.25 3.38 16.25 17.75 14.00 8.38 20 1.62 1.50 22 400
16 27.75 3.5 18.50 20.00 16.00 8.50 20 1.75 1.62 24.25 495
18 31 4 21.00 22.25 18.00 9.00 20 2.00 1.88 27 680
20 33.75 4.25 23.00 24.50 20.00 9.75 20 2.12 2.00 29.5 830
24 41 5.5 27.25 29.50 24.00 11.50 20 2.62 2.50 35.5 1,500
CLASS 1500 According to ASTM A/SA-105; ANSI B16.5
Nominal Pipe Size Outside Diam. of Flange (O) Thick. of Flange (C) Diam. of Raised Face (R) Diam. of Hub at Base (X) Diam. of Hub at Point of Welding (A) Length thru Hub (Y) No. of Holes Diam. of Holes Diam. of Bolts Diam. of Bolt Circle Approx. Weight (in Pounds)
1/2 4.75 0.88 1.38 1.5 0.84 2.38 4 0.88 0.75 3.25 5
3/4 5.12 1 1.69 1.75 1.05 2.75 4 0.88 0.75 3.5 6
1 5.88 1.12 2 2.06 1.32 2.88 4 1 0.88 4 9
1 1/4 6.25 1.12 2.5 2.5 1.66 2.88 4 1 0.88 4.38 10
1 1/2 7 1.25 2.88 2.75 1.9 3.25 4 1.12 1 4.88 13
2 8.5 1.5 3.62 4.12 2.38 4 8 1 0.88 6.5 25
2 1/2 9.62 1.62 4.12 4.88 2.88 4.12 8 1.12 1 7.5 36
3 10.5 1.88 5 5.25 3.5 4.62 8 1.25 1.12 8 48
4 12.25 2.12 6.19 6.38 4.5 4.88 8 1.38 1.25 9.5 73
5 14.75 2.88 7.31 7.75 5.56 6.12 8 1.62 1.5 11.5 130
6 15.5 3.25 8.5 9 6.63 6.75 12 1.5 1.38 12.5 165
8 19 3.62 10.62 11.5 8.63 8.38 12 1.75 1.62 15.5 275
10 23 4.25 12.75 14.5 10.75 10 12 2 1.88 19 455
12 26.5 4.88 15 17.75 12.75 11.12 16 2.12 2 22.5 690
14 29.5 5.25 16.25 19.5 14 11.75 16 2.38 2.25 25 940
16 32.5 5.75 18.5 21.75 16 12.25 16 2.62 2.5 27.75 1,250
18 36 6.38 21 23.5 18 12.88 16 2.88 2.75 30.5 1,625
20 38.75 7 23 25.25 20 14 16 3.12 3 32.75 2,050
24 46 8 27.25 30 24 16 16 3.62 3.5 39 3,325

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About Us

Since its foundation in 1995, Holic Oil Pipeline Co., LTD has been committed to being a major supplier of quality kinds of carbon steel pipe, stainless steel tube, hollow section, perforated metal products and numerous types of pipe fittings. Covering an area of 450,000 square meters, Holic Oil Pipeline Co.,Ltd has three production units: Foundry, Rolling and Extrusion mills.

Quality Control


Holic®‘s quality assurance system is certified in accordance with the ISO 9001 standards. An independent quality assurance department is responsible for all working procedures required to ensure that all manufacturing processes are carried out in accordance with international technical delivery conditions like ASTM/ASME, EN, API and with the customer specifications.

Main Products


Starting as an oil casing pipe manufacturer in 1995, Holic®‘s core business is to provide quality metal pipes and tubes especially for the oil and gas industry.
Our products can be classified as the following 5 major categories:
1. Carbon Steel Pipe
2. Stainless Steel Pipe
3. Hollow Section
4. Perforated Metal sheets/tubing
5. Pipe Fittings

Contact Us


Inquiry:

oilpipelinemanufacturer@outlook.com

Headquarter: Chaoyang, Liaoning, China.

Steel Pipe Mill: Cangzhou, Hebei, China.

Pipe Fittings Plant: Tianjin, China.

Hollow Section Mill: Shanghai, China.

Perforated Tubing Mill: Dezhou, Shandong, China.

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