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Weld Neck Flanges

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Carbon Steel Weld Neck Flange, ASME B16.5 Raised Face Weld Neck Flange, Best Deals on Raised Face Weld Neck Flanges, ASME / ANSI B16.5 Weld Neck Flanges, Nickel Alloy Weld Neck Flanges, Class 300 Weld Neck Flanges, ANSI B16.5 Weld Neck Flanges, BS1560 Weld Neck Flanges, Stainless Steel WNRF Flange Supplier in India.

Kalpatru is a popular stockist of Weld Neck Flanges, which offers higher creep and stress rupture properties. Since iron oxide has lower density, Stainless Steel Weld Neck Flanges expands and tends to flake and fall away. In comparison, Carbon Steel Weld Neck Flanges contain sufficient chromium to undergo passivation, forming an inert film of chromium oxide on the surface. The layer prevents further corrosion by blocking oxygen diffusion to the surface of Alloy Steel Weld Neck Flanges and stops corrosion from spreading into the bulk of the metal. The resistance to corrosion and staining, low maintenance, and familiar lustre make Super Duplex Steel Weld Neck Flanges an ideal material for many applications. Nickel Alloy Weld Neck Flanges has slightly improved corrosion resistance over sort chrome steel in powerfully oxidizing environments. Inconel Weld Neck Flanges is additionally advantageous for top temperature service thanks to its sensible mechanical properties. Monel Weld Neck Flanges is also an atomic niobium)/tantalum stabilized primary solution chromium-nickel steel. Hastelloy Weld Neck Flanges is developed to provide associate alloy with improved intergranular-corrosion resistance. Copper Nickel Weld Neck Flanges includes a rather improved corrosion resistance over completely different alloys of steel in powerfully oxidizing environments as a results of the addition of metal (niobium) and number. Titanium Weld Neck Flanges includes a slightly improved corrosion resistance over different alloys of chrome steel in powerfully oxidizing environments as a result of the addition of niobium (niobium) and atomic number.

Large Selection of Inconel Weld Neck Flanges, Class 1500 Weld Neck Flanges, Monel Weld Neck Flanges, Hastelloy Weld Neck Flange Dealer, Alloy Steel WNRF Flanges, ANSI B16.5 WNRF Flange, ANSI B16.5 150 LBS Weld Neck Flange, SS Weld Neck Flanges, High Quality Duplex Steel Welding Neck Flanges, ANSI/ASME B16.5 Class 600 Welding Neck Flange Exporter.

Stainless Steel Weld Neck Flanges

ASME B16.5 Weld Neck Flanges Specification

Size

½" (15 NB) to 48" (1200NB)

Dimension Standard

ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Class / Pressure Rating

150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.

DIN

DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673

BS

BS4504 , BS4504, BS1560, BS10

Flange Face Type

Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Testing and Documents

Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, Destructive Test Report, Non Destructive Test Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports

Packing

Packed in Wooden Boxes, Bubble wraps, Steel Strips Bundled, or as per Customers Requests

ASME B16.5 ANSI B16.5 Class 150 Weld Neck Flanges Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
ANSI B16.5 Class 150 Weld Neck Flanges Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ASME Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ASME B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
ANSI B16.5 Class 150 Weld Neck Flanges Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
ANSI B16.5 Class 150 Weld Neck Flanges Pressure Calculation in DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
UNI 6Bar 10Bar 16Bar 25Bar 40Bar
EN 6Bar 10Bar 16Bar 25Bar 40Bar
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Most common types of ANSI B16.48 Class 150 Weld Neck Flanges Forged / Threaded / Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production technique
  • Forged, Heat treated and machined
Connect Type/ Flange Face Type Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, , Groove
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations
Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Equipment Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
Origin Indian / West Europe / Japan / USA / Korean
Manufacturer of

ASME DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
ANSI B16.48 Class 150 Weld Neck Flanges: -BS Flange, EN Flange, API 6A Flanges, ASME Flanges, ASME Flanges, DIN Flanges, EN1092-1 Flanges, UNI Flanges, JIS/ KS Flanges, BS4504 Flanges, GB Flanges, AWWA C207 Flanges, GOST Flanges, PSI Flangse

  • B.S: BS4504 , BS3293, BS1560, BS10
  • AS 2129: Table D; Table E; Table H
  • ASME B16.5, ASME B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • ASME : ASME B16.5, ASME B16.47(API605), MSS SP44, ASME B16.36, ASME B16.48
  • ASME B16.5, ASME B16.47, MSS SP44, ASME B16.36, ASME B16.48
  • American standard (ANSI)
  • German (DIN)
  • British standard (BS)
  • DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 ANSI B16.5 Class 150 Socket Weld Flanges
  • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
ANSI B16.48 Class 150 Weld Neck Flanges Uses & application
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.

Stainless Steel ANSI B16.5 Class 150 Weld Neck Flanges ASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8, CF3, CF8M, CF3M, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404, DIN 1.4308, DIN 1.4408, DIN 1.4306, DIN 1.4409
Carbon Steel ANSI B16.5 Class 150 Weld Neck Flanges ASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80)
Alloy Steel ANSI B16.5 Class 150 Weld Neck Flanges ASTM A182 / ASME SA182 F5, F9, F11, F12, F22, F91
Titanium ANSI B16.5 Class 150 Weld Neck Flanges ASTM B381 / ASME SB381, Titanium Gr. 1, Titanium Gr. 2, Titanium Gr. 4, Titanium Gr. 5, Titanium Gr. 7
ASTM R50250/GR.1 | R50400/GR.2 | R50550/GR.3 | R50700/GR.4 | GR.6 |R52400/GR.7 | R53400/GR.12 | R56320/GR.9 |R56400/GR.5
Copper Nickel ANSI B16.5 Class 150 Weld Neck Flanges ASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
Inconel ANSI B16.5 Class 150 Weld Neck Flanges ASTM B564 / ASME SB564, Inconel 600, 601, 625, 718, 783, 690, x750 ANSI B16.5 Class 150 Blind Flanges
Hastelloy ANSI B16.5 Class 150 Weld Neck Flanges ASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X Flanges
Monel ANSI B16.5 Class 150 Weld Neck Flanges ASTM B564 / ASME SB564, Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)
Alloy 20 ANSI B16.5 Class 150 Weld Neck Flanges ASTM B462 / ASME SB462, Carpenter® 20 Alloy, Alloy 20Cb-3
Nickel ANSI B16.5 Class 150 Weld Neck Flanges ASTM B564 / ASME SB564, Nickel 200, Nickel 201, Nickel 205, Nickel 205LC
Duplex ANSI B16.5 Class 150 Weld Neck Flanges S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super Duplex ANSI B16.5 Class 150 Weld Neck Flanges S32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Incoloy ANSI B16.5 Class 150 Weld Neck Flanges ASTM B564 / ASME SB564, Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925 Flanges

Weld Neck Flanges Material & Grades

Stainless Steel Weld Neck Flanges
ASTM A182 F 304, 304L, 304H, 309, 310, 310S, 316, 316L, 317, 317L, 321, 321H, 347, 347H, 446, 904L
Carbon Steel Weld Neck Flanges
ASTM A105, ASTM A694 Gr. F42, 46, 52, 56, 60, 65, 70
Alloy Steel Weld Neck Flanges
ASTM A182, F1, F5, F9, F11, F22, F91
Duplex Steel Weld Neck Flanges
ASTM A182, F44, F45, F51, F53, F55, F60, F61
Super Duplex Weld Neck Flanges
ASTM A182, F44, F45, F51, F53, F55, F60, F61
High Nickel Alloy Weld Neck Flanges
ASTM B564, B160, B472, B162, Nickel 200 (UNS No. No2200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade 2 & 5), Cupro-Nickel 70/30, Cupro-Nickel 90/10.
Low Temperature Carbon Steel Weld Neck Flanges
ASTM A350, LF2, LF3

Dimensions of Weld Neck Flanges

Weld Neck Flanges dimensions

ANSI/ASME/ASA B16.5 150lb/sq.in. Flange WN-RF
ø
D
b
g
m
a
J*
h
k
Holes
l
Kg.
1/2"
88,9
11,1
34,9
30,2
21,3
15,7
47,6
60,3
4
15,9
0,500
3/4"
98,4
12,7
42,9
38,1
26,7
20,8
52,4
69,8
4
15,9
0,700
1"
107,9
14,3
50,8
49,2
33,5
26,7
55,6
79,4
4
15,9
1,100
1 1/4"
117,5
15,9
63,5
58,8
42,2
35,1
57,1
88,9
4
15,9
1,500
1 1/2"
127,0
17,5
73,0
65,1
48,3
40,9
61,9
98,4
4
15,9
1,800
2"
152,4
19,0
92,1
77,8
60,3
52,6
63,5
120,6
4
19,0
2,700
2 1/2"
177,8
22,2
104,8
90,5
73,1
62,7
69,8
139,7
4
19,0
4,400
3"
190,5
23,8
127,0
107,9
88,9
78,0
69,8
152,4
4
19,0
5,200
3 1/2"
215,9
23,8
139,7
122,2
101,6
90,2
71,4
177,8
8
19,0
6,400
4"
228,6
23,8
157,2
134,9
114,3
102,4
76,2
190,5
8
19,0
7,500
5"
254,0
23,8
185,7
163,5
141,2
128,3
88,9
215,9
8
22,2
9,200
6"
279,4
25,4
215,9
192,1
168,4
154,2
88,9
241,3
8
22,2
11,000
8"
342,9
28,6
269,9
246,1
219,1
202,7
101,6
298,4
8
22,2
18,300
10"
406,4
30,2
323,8
304,8
273,0
254,5
101,6
361,9
12
25,4
25,000
12"
482,6
31,7
381,0
365,1
323,8
304,8
114,3
431,8
12
25,4
39,000
14"
533,4
34,9
412,7
400,0
355,6
336,5
127,0
476,2
12
28,6
51,000
16"
596,9
36,5
469,9
457,2
406,4
387,3
127,0
539,7
16
28,6
60,000
18"
635,0
39,7
533,4
504,8
457,2
438,1
139,7
577,8
16
31,7
71,000
20"
698,5
42,9
584,2
558,8
508,0
488,9
144,5
635,0
20
31,7
88,000
22"
749,3
46,0
641,2
609,6
558,8
539,7
149,2
692,1
20
34,9
102,000
24"
812,8
47,6
692,1
663,6
609,6
590,5
152,4
749,3
20
34,9
119,000
*
The data "J" corresponds to the STD schedule

 

ANS I/ ASME / ASA B16.5 300lb/sq.in. Flange WN-RF
ø
D
b
g
m
a
J*
h
k
Holes
l
Kg.
1/2"
95,2
14,3
34,9
38,1
21,3
15,7
52,4
66,7
4
15,9
0,900
3/4"
117,5
15,9
42,9
47,6
26,7
20,8
57,1
82,5
4
19,0
1,500
1"
123,8
17,5
50,8
54,0
33,5
26,7
61,9
88,9
4
19,0
1,900
1 1/4"
133,3
19,0
63,5
63,5
42,2
35,1
65,1
98,4
4
19,0
2,600
1 1/2"
155,6
20,6
73,0
69,8
48,3
40,9
68,3
114,3
4
22,2
3,300
2"
165,1
22,2
92,1
84,1
60,3
52,6
69,8
127,0
8
19,0
3,600
2 1/2"
190,5
25,4
104,8
100,0
73,1
62,7
76,2
149,2
8
22,2
5,400
3"
209,5
28,6
127,0
117,5
88,9
78,0
79,4
168,3
8
22,2
7,400
3 1/2"
228,6
30,2
139,7
133,3
101,6
90,2
81,0
184,1
8
22,2
8,900
4"
254,0
31,7
157,2
146,0
114,3
102,4
85,7
200,0
8
22,2
11,900
5"
279,4
34,9
185,7
177,8
141,2
128,3
98,4
234,9
8
22,2
16,000
6"
317,5
36,5
215,9
206,4
168,4
154,2
98,4
269,9
12
22,2
20,200
8"
381,0
41,3
269,9
260,3
219,1
202,7
111,1
330,2
12
25,4
31,000
10"
444,5
47,6
323,4
320,7
273,0
254,5
117,5
387,3
16
28,6
44,300
12"
520,7
50,8
381,0
374,6
323,8
304,8
130,2
450,8
16
31,7
64,000
14"
584,2
54,0
412,7
425,4
355,6
336,5
142,9
514,3
20
31,7
88,000
16"
647,7
57,1
469,9
482,6
406,4
387,3
146,0
571,5
20
34,9
113,000
18"
711,2
60,3
533,4
533,4
457,2
438,1
158,7
628,6
24
34,9
134,000
20"
774,7
63,5
584,2
587,4
508,0
488,9
161,9
685,8
24
34,9
171,000
22"
838,2
66,7
641,2
641,2
558,8
539,7
165,1
742,9
24
41,3
195,000
24"
914,4
69,8
692,1
701,7
609,6
590,5
168,3
812,8
24
41,3
238,000
*
The data "J" corresponds to the STD schedule

 

ANS I /ASME / ASA B16.5 600lb/sq.in. Flanges WN-RF
ø
D
b
g
m
J
h
k
Holes
l
Kg.
1/2"
95,2
14,3
34,9
38,1
22,3
22,2
66,7
4
15,9
0,800
3/4"
117,5
15,9
42,9
47,6
27,7
25,4
82,5
4
19,0
1,400
1"
123,8
17,5
50,8
54,0
34,5
27,0
88,9
4
19,0
1,600
1 1/4"
133,3
20,6
63,5
63,5
43,2
28,6
98,4
4
19,0
2,100
1 1/2"
155,6
22,2
73,0
69,8
49,5
31,7
114,3
4
22,2
3,100
2"
165,1
25,4
92,1
84,1
62,0
36,5
127,0
8
19,0
3,700
2 1/2"
190,5
28,6
104,8
100,0
74,7
41,3
149,2
8
22,2
5,400
3"
209,5
31,7
127,0
117,5
90,7
46,0
168,3
8
22,2
7,300
3 1/2"
228,6
34,9
139,7
133,3
103,4
49,2
184,1
8
25,4
8,900
4"
273,0
38,1
157,2
152,4
116,1
54,0
215,9
8
25,4
11,800
5"
330,2
44,4
185,7
188,9
143,8
60,3
266,7
8
28,6
24,500
6"
355,6
47,6
215,9
222,2
170,7
66,7
292,1
12
28,6
29,500
8"
419,1
55,6
269,9
273,0
221,5
76,2
349,2
12
31,7
43,000
10"
508,0
63,5
323,8
342,8
276,3
85,7
431,8
16
34,9
70,000
12"
558,8
66,7
381,0
400,0
327,1
92,1
488,9
20
34,9
86,000
14"
603,2
69,8
412,7
431,8
359,1
93,7
527,0
20
38,1
100,000
16"
685,8
76,2
469,9
495,3
410,5
106,4
603,2
20
41,3
142,000
18"
742,9
82,5
533,4
546,1
461,8
117,5
654,0
20
44,4
175,000
20"
812,8
88,9
584,2
609,6
513,1
127,0
723,9
24
44,4
232,000
22"
869,9
95,2
641,2
666,7
564,4
133,3
777,9
24
47,6
292,000
24"
939,8
101,6
692,1
717,5
615,9
139,7
838,2
24
50,8
330,000

 

Dimensional Tolerance of ASME B16.5 Weld Neck Flange

Outside Diameter
≤ 24 = 1.6 mm | > 24 = ± 3.2 mm		 Inside Diameter
not applicable
Diameter of Contact Face
1.6 mm Raised Face = ± 0.8 mm
6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm		 Outside Diameter of Hub
≤ 12 = + 2.4 mm / - 1.6 mm | ≥ 14 = ± 3.2 mm
Diameter of Counterbore
not applicable		 Drilling
Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mm
Eccentricity of Bolt Circle with Respect to Facing
≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max.
Thickness
≤ 18 = + 3.2 mm / - 0 | ≥ 20 = + 4.8 mm / - 0		 Length thru Hub
≤ 18 = + 3.2 mm / - 0.8 mm | ≥ 20 = + 4.8 mm / - 1.6 mm

ASME B16.5 Weld Neck Flanges Price List

We offer wide range of industrial Weld Neck Flanges that in compliance with IS, BS and DIN standards at best market prices in India. To know more about the latest price of Stainless Steel Weld Neck Flanges Please Call +91 22-66337137 or Send an Email to info@flangesbolts.com

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Weld Neck Flange class 300
Weld Neck Flange Din 2527
Weld Neck Flange Rtj 1500
Weld Neck Flange Jis B2220
Kf Weld Neck Flange
Weld Neck Flange Class 900
Titanium Alloy Welding Neck Flanges


Weld Neck Flanges Application Area

Our products range of Weld Neck Flanges find application in various areas such as: Petro-Chemical Industries, Ship Building Industries, Heavy Engineering Industries, Fertilizer Plants, power Generation Units ( Nuclear, Hydro or Thermal), Civil Industries, Oil Expansion Projects, Off Shore & On Shore Oil Towers, Valves, Vessels, Pumps, Railways, Steel Plants, Civil Construction Industries, Home Fittings etc.

Other Stock of Flanges

Slip on Flanges Socket weld Flanges Orifice Flanges Blind Flanges Lap Joint Flanges Weld Neck Flanges RTJ Flanges Long Weld Neck Flanges spEctacle blind flanges
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