48 Inch SS400 ST37.2 Carbon Steel Pipe Flanges Slip On Weld Neck Blind

Brand Name:XF
Certification:ISO90001;PED
Model Number:1/2'-48"
Minimum Order Quantity:1TON
Delivery Time:30DAYS
Payment Terms:L/C, T/T, D/P
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Address: Beihuan Development Zone Mengcun County Hebei Province China
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Carbon Steel Flange Ansi B16.5 & Asme B16.47 Black Yellow Color Slip On Weld Neck Blind


Slip-on flanges are a popular type of pipe flanges. These are type of flanges that slide over the end of piping and then welded in place. These flanges are ideal for lower pressure applications. These are easily fitted and welded into different pipes. Welding reduces fabrication costs of these pipes. These are available in wide variety of sizes and applications.

  • Advantages of slip on flanges :
    • Low cost installation
    • Less time needed to spent on ensuring the accuracy of the cut pipe
    • They are somewhat easier to align
    • The slip-on flanges have low hub because the pipe slips into the flange before welding
    • The flange is welded both inside and outside to provide sufficient strength
    • They prevent leakage



Weld Neck Flanges are designed to be joined to a piping system by butt welding. the WN Flange is relatively expensive because of its long neck, but is preferred for high stress applications. The neck, or hub, transmits stresses to the pipe, reducing stress concentrations at the base of the Welding-Neck flanges. The gradual transition of thickness from the base of the hub to the wall thickness at the butt weld provides important reinforcement of the Weld Neck flange. The bore of the Weld-Neck flange matches the bore of the pipe, reducing turbulence and erosion.


  • Material Used:Common materials used are as follows :
    • Stainless steel,BrassSteel,Alloy Steel,Aluminum,Plastics,Titanium,Monels,Carbon steel,Alloy titanium etc.
    • Stainless Steel : ASTM A 182, A 240
    • Grade : F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750
    • Carbon Steel :SS400, ASTM A 105, ASTM A 181
    • Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91
    • Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276
    • Copper Alloys : Copper, Brass & Gunmetal
    • Aluminium Alloys: A5052,A5083
    • Size : 1/8″ NB TO 48″NB.
    • Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.
  • Standard
    • ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
    • JIS: B2220
    • 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 , BS4504, BS1560, BS10
    • And other flange series…
Specification (Latest edition)Item TypePressure ClassSize Range
ASME/ANSI B16.5Blind, Weld Neck, Slip-on, Socket Weld, Threaded and Lap Joint Flanges150 to 2500LBS26“ to 60"
150 to 1500LBS26“ to 48"
ASME/ANSI B16.47Orifice Flanges ( Weld neck, Slip-on, Threaded)75 to 300LBS1/2“ to 12"
400, 600LBS26“ to 60"
900LBS26“ to 48"
ASME/ANSI B16.36Orifice Flanges ( Weld neck, Slip-on, Threaded)300 To 2500LBS1" to 12"
EN 1092-1 / DIN / BS 4504 Flanges01 (Plate flange), 02 (Loose plate flange for Types 32—37), 04 (Loose plate flange for Type 34),05 (Blind flange), 11 (Weld-neck flange), 12 (Hubbed slip-on flange), 13 (HubbedPN2.5 to PN1610mm to 1800mm
PN2510mm to 1000mm
PN4010mm to 600mm
PN6310mm to 400mm
PN10010mm to 350mm
PN160, PN25010mm to 300mm
PN32010mm to 250mm
PN40010mm to 200mm
BS 10Blind, Slip-on and Welding neck flangesTABLE-A, D, E, F, H, J, K, R, S, T15mm to 600mm
ASME/ANSI B16.9/MSS SP-43Stub end -Type:A, B, C (Short pattern)S10, S40, S80½” to 24”

Note: We can also manufacture accordingd to other standards like, API-605, UNI, AWWA and Custom Drawings of customers

Flange Face Type: Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ), Large Raised face (LRF)

Coating/Surface Treatment (if applicable): Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized



Contact Person : Aimee Zhang


Mp: +86 18031772048


Skype: hbxf-flange21


QQ: 2392016719


Wechat / whats up : 0086-18031772048


Email : info1@hbxfgj.com

China 48 Inch SS400 ST37.2 Carbon Steel Pipe Flanges Slip On Weld Neck Blind supplier

48 Inch SS400 ST37.2 Carbon Steel Pipe Flanges Slip On Weld Neck Blind

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