Custom-Made-Flange-Welding Neck-Joint

Precision CNC machining-Multi Axis Machining
Thread Flange-Socket welding Flange

Blind Flange
This flange is used to blank off pipelines, valves and pumps, it can also be used as an inspection cover. It is sometimes referred to as a blanking flange.
Standards: ASME B16.47, ANSI B16.5, DIN, UNI, BS, JIS, GB.
Pressure classes range: From 150lbs to 2, 500lbs.
Sizes range: 1/2" - 24".
Materials: F316, F304, F316L, F304L, A105, F5, F11, F22, 15CrMo, 12CrMoV, Q235, 16Mn, 20#.
Printing: Carbon steel and alloy steel with yellow print, black print, oil or zinc.
Packing: Plywooden case.

1, Materials

Premium raw materials are sourced only from approved big iron and steel companies in China.
Material standard: ASTM A105, C22.8, C21, Rst37.2, S235JRG2, P355NH, 1.0565, SS400, A350LF2, F304, F304L, F316, F316L, F316Ti, F321, 1.4541, 1.4571, 1.4404, 1.4401, A182-F11, A182-F12, ASTM A694 F52, F60, F65, F70 etc.

2, Feeding

As per different materials and sizes using mechanic cutting.

3, Forging

According to different products using ring rolling, drop forging, open die forging and die forging.

4, Heat treatment

Annealing, normalizing and solution treatment as per the different requirements.

5, Lathe

Strictly according to the standard or customer's drawing lathing the products accurately.

6, Inspection

Checked the products used spectrometer, metallurgical microscope, universal tester, brinell hardness tester, impact tester, ultrasonic tester, magnetic particle tester

7, Stamping

Semi-auto mechanic stamping

8, surface treatment

According to the different standard or customer's requirements using Anti-rust oil; Black or yellow paint; Lacquer; Electrical galvanize; Hot dipping or shot blassing treatment.

9, Packing

For different market and customer's requirements, packed in E. U type pallets, glued wooden cases, steel cases etc.

10, QUALITY DOCUMENTATION
Certificates will be issured after the goods have passed our quality inspection.

The style of flanges:
Welding Neck, Slip On, Blind, Socket Welding, Threaded, Lap Joint, Orifice flanges, Spectacle flanges
Pressure rating:
Class 150-300-400-600-900-1500-2500LBS

Features

Dimensions:
ANSI B16.5/ANSI B16.47-MSS SP44-API 605-AWWA AND DRAWING
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Carbon Steel Materials:
ASTM A105-ASTM A350 LF2/ASTM A694 F42-F52-F60-F65-F70/C22.8/C21/Rst37.2/S235JRG2/P355NH/SS400
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Alloy Steel Materials:
ASTM A182 F1-F11-F12-F22-F5-F9-F91
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Stainless Steel Materials:
ASTM A 182 F304/304L/304H-ASTM A182 F321/321H-ASTM A182 F347-347H-ASTM A182 F316-316L-316H
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Special alloys:
DUPLEX-SUPER DUPLEX-INCONEL-INCOLOY-MONEL-HASTELLOY-TITANIUM

* We can also manufacture special application flanges and forgings that customers require.
CNC Machining CNC Milling CNC Turning Rapid Prototyping Secondary Processing Sub-assembly
We can machining both Metal & Plastics parts. Metals including Aluminum, Brass, Copper, Stainless Steel. Such as AL5052, AL6061, AL7075, SUS303, SUS304, SUS316, 316L, LY12, 65Mn, Cr12, 40CrMo, AL6063, ST12.03, SS2331, AISI12L14, Y15, 45#, Q275, Bakelite, POM, Nylon, Teflon and Acrylic.

We are China CNC Machining manufacturer offer best Welding Services OEM, ODM, service.