DN100(4")-Welding Neck Flange WN CL600 RF SMOOTH SCH 40S DUPLEX SS ASTM A182 F51 ASME B16.5
Type: Weling Neck Flange,Blind Flange, Plated Flange, Slip On Flanges, Threaded, Socket Weld
Processing Techinque: Free Forging, Plate Cutting, Casting
Size: 1/2"-80"
1/2" - 24" ASME B16.5
25"- 80" ASME B16.47, larger size according to client's drawing.
Wall Thickness : STD, SCH40, SCH80, SCH160. SCHXXS
Material
Carbon Steel:
ASTM A105, ASTM A350 LF1/ LF2/LF3, A235, P235GH etc
ASTM A694 F42/F46/F52/F56/F60/F65/F70, etc
Stainless Steel: ASTM A182, F304/304L, F316/316L
Alloy Steel: ASTM A182 A182 F12, F11, F22, F5, F9, F91etc.
Standard:
ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S : BS4504, BS1560
Products range:
| Large Diameter Duplex Steel Flange |
| size | 1/2" - 24" ASME B16.5 |
| 25"- 80" ASME B16.47,larger size according to client's drawing. |
| Flange Type | Weling Neck Flange,Blind Flange, Plated Flange, Slip On Flanges, Threaded, Socket Weld |
| Flange Face | RTJ.RF.FF |
| Pressure | |
| 150Lbs, 300Lbs, 600Lbs, 900Lbs, 1500Lbs, 2500Lbs |
| PN6, PN10, PN16, PN20, PN25, PN40. PN63, PN100 |
| Standard | ASME B16.5 & ASME B16.47, or according to client's drawing. |
| Material | Carbon steel (ASTM A105, A350 LF2,etc) |
| Stainless steel (ASTM A182 F304, F304L, F316, F316L, F321, etc) |
| Alloy steel (ASTM A694 A182 F12, F11, F22, F5, F9, F91,etc) |
| Pipeline steel (ASTM A694 F42 F46 F52 F56 F60 F65 F70,etc) |
Difference between butt welding flange with neck and flat welding flange with neck
First, the welding form is different: the welding form of the flanged pipe with a neck is a fillet weld, and the welding weld form of the necked butt welding flange and the pipe is a circular weld;
1: Different materials: The flange material with neck flat welding is processed with thick ordinary steel plates as required, while the flange material with neck butt welding is mainly made of forged steel parts.
2: The nominal pressure is different: the nominal pressure of the neck-welded flange is 0.6 ~ 4.0MPa, and the nominal pressure of the neck-welded flange is 1 ~ 25MPa.
Second, the welds with neck butt welding flanges and pipes belong to category B welds, and the welds with neck flat weld flanges and pipe joints belong to category C welds, and the nondestructive testing after welding is different.
3: The neck flat welding flange and the neck butt welding flange cannot be replaced at will. In terms of manufacturing angle, the neck flat welding flange (SLIPON for short) is large, small in weight, and low in cost. In addition, butt welded flanges with a nominal diameter greater than 250 mm (WN is short for WELDINGNECK) should also be tested at low cost.
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DN100 4" WN CL600 SCH 40S RF Welding Neck Flange Images
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