Weld Neck Flanges

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Grand Metal Corporation is acknowledged as a manufacturer, exporter & suppliers of Weld Neck Flanges, available in a variety or grades, materials, and finishes, in metric and inch sizes. full line fastener distributor specializing in industrial products for companies involved in Equipment Manufacturing, Mining, Oil Refineries, Chemical manufacturing, Steel and Aluminium Manufacturing, Utilities and Transportation, and Industrial Construction.

Grand Metal Corporation carries a variety of Weld Neck Flanges from Carbon Steel, Stainless Steel and High Nickel Alloy -F467 NiCu 400 (Monel) and commercial 18-8/304, 316L Stainless Steel. We supply Weld Neck Flanges at Best suitable price. Weld neck pipe flanges are typically provided with a raised face, flat face, or RTJ facing. When a raised face is necessary for weld neck pipe flanges, the standard height is 1/16" for weld neck pipe flanges under 400#. For weld neck pipe flanges of 400# and up, the standard weld neck pipe flange raised face height is 1/4"

Type of Weld Neck Flanges like SORF, SWRF, WNRF, BLRF, LAP Joint, Reducing, Spectacle, Threaded & As per your Drawing in International Standard like ASTM, BS, IS Etc. as per ASA, DIN Table etc. with Manufacturer Test Certificate & IBR Test Certificate.

Useful Information of Weld Neck Flanges

Specification

Size: 1/2" (DN15) ~ 60" (DN1500)

Pressure: Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500

ASME B16.5 Class 150 Weld Neck Flanges Type: Weld Neck Flanges, Blind Flanges and Slip On Flanges

Face Type: Flat Face (FF), Raise Face (RF), Ring Joint (RJT)

Coating: Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized

Dimension:

ANSI/ASME B16.5, ANSI/ASME B16.47 Series A (MSS SP-44), ANSI/ASME B16.47 Series B (API 605),

ANSI/ASME B16.36, ANSI/ASME B16.48 (API 590)

Material of Construction	Standard	Grades
Stainless Steel Weld Neck Flanges	ASTM A182 , A240	F 304, 304L, 304H, 316, 316Ti, 316H, 316L, 316LN, 309S, 309H, 310S, 310H,317, 317L, 321, 321H, 347, 347H, 201, 202, 904L
Carbon Steel Weld Neck Flanges	ASTM A105	Gr. F42,46,52,56,60,65,70
Alloy Steel	ASTM A182	F1,F5,F9,F11,F22,F91
Weld Neck Flanges	ASTM A182	F1,F5,F9,F11,F22,F91
Nickel Alloy Weld Neck Flanges	ASTM SB564, SB160, SB472, SB162	Nickel 200 (UNS No. N02200), 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),
Copper Alloys Weld Neck Flanges	ASTM SB 61 , SB62 , SB151 , SB152	UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200,
Low Temperature Carbon Steel Weld Neck Flanges	ASTM A350	LF2 , LF3
Duplex Steel Weld Neck Flanges	ASTM A182, A240	UNS F 44, F 45, F51, F 53, F 55, F 60, F 61

Dimensional Tolerances of Welding Neck Flanges ASME 16.5

Outside Diameter	Inside Diameter
≤ 24 = 1.6 mm \| > 24 = ± 3.2 mm	≤ 10 = ± 0.8 mm \| 12 thru 18 = 1.6 mm \| ≥ 20 = + 3.2 mm / - 1.6 mm
Diameter of Contact Face	Diameter of Hub at Base
1.6 mm Raised Face = ± 0.8 mm	≤ 24 = 1.6 mm \| > 24 = ± 3.2 mm
6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm
Diameter of Hub at Point of Welding	Drilling
≤ 5 = + 2.4 mm / - 0.8 mm \| ≥ 6 = + 4.0 mm / - 0.8 mm	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	Length thru Hub
≤ 18 = + 3.2 mm / - 0 \| ≥ 20 = + 4.8 mm / - 0	≤ 10 = 1.6 mm \| ≥ 12 = ± 3.2 mm

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Call: +91 98927 02393, 97690 58811
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Weld Neck Flanges

Weld Neck Flanges

Useful Information of Weld Neck Flanges

Dimensional Tolerances of Welding Neck Flanges ASME 16.5

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