AISI321 Stainless Steel Pipe Fittings SO/WN/SW/BL/PL Flanges Welded Threaded Flanges
Materials | Stainless Steel , Duplex Steel , etc |
Material Grade | WP304 , WP304L , WP304H , WP316 , WP316L , WP316Ti , WP309S , WP310S , WP321 , WP321H , WP347 , WP347H , F304 , F304L , F304H , F316 , F316L , F310S , F321 etc |
Size | 1/2" to 48" Sch 5S to XXS |
Standards | ANSI B16.5 , ANSI B 16.47 , ASTM A403 etc . |
Process Method | Forged / Casting |
Pressure class | 150 - 2500lbs |
Tolerances | According to the specification or customer’s request and drawings |
Application | Pipe connection , Piping project construction etc |
Test | 100% PMI test ; Size test etc |
Quality Requirement | Mill Test Certificate will be supplied with shipment , Third Part Inspection is acceptable |
Price Item | FOB , CFR , CIF or as negotiation |
Payment | T / T , LC or as negotiation |
Package | Plywood case or as per customer’s requirement |
Delivery Time | 5-15 working days after received your deposit ( Normally according to the order quantity ) |
Stainless Steel Material Sanitary Round Flange Sight Glass
PL Flange WN Flange SO Flange TH Flange SW Flange LJ Flange BL Flange Size1/2"~48"
pressure class:150 300 400 600 900 1500 and 2500 pn: 6 10 16 64 and 160,5K-40K
material:SS (stainless steel):304,304L,316,316,321
Face type
RF(raised face) M(male face)
FM(female face) T(tongue face)
G(groove face) RJ(ring joint face)etc.
standard Domestic Standard:
HG20592-20614/HG20615 JB4703/JB4721 SH3406
Foreign Standard:
ASME B16.5 /ASME B16.47/DIN/BS/JIS/KS
certificate:ISO9001:2000
| weld neck flange, slip on flange, blind flange, tube sheet, threaded flange, socket weld flange, plate flange, spectacle blind, LWN, Orifice flange, anchor flange etc. |
| 15mm-6000mm |
| 150#-2500#,PN0.6-PN400,5K-40K,API 2000-15000 |
| ANSI B16.5,EN1092-1, SABA1123, JIS B2220, DIN, GOST,UNI,AS2129, API 6A, etc. |
| SCH5S, SCH10S, SCH10, SCH40S,STD, XS, XXS, SCH20,SCH30,SCH40, SCH60, SCH80, SCH160, XXS and etc. |
| Stainless steel: A182F304/304L, A182 F316/316L, A182F321, A182F310S, A182F347H,A182F316Ti, A403 WP317, 904L, 1.4301,1.4307,1.4401,1.4571,1.4541, 254Mo and etc. Carbon steel: S235J ,S275J, St37,P235GH, P240GH, P265GH, P280GH, A105, A350LF2, Q235, St37, St45.8, A42CP, E24 , A515 Gr60, A515 Gr 70 etc. |
Duplex stainless steel: UNS31803, SAF2205, UNS32205, UNS31500, UNS32750 , UNS32760, 1.4462,1.4410,1.4501 and etc. Pipeline steel: A694 F42, A694F52, A694 F60, A694 F65, A694 F70, A694 F80 etc. |
Nickel alloy: inconel600, inconel625, inconel690, incoloy800, incoloy 825, incoloy 800H, C22, C-276, Monel400, Alloy20 etc. Cr-Mo alloy: A182F11, A182F5, A182F22, A182F91, A182F9, 16mo3 etc. |
| Petrochemical industry;avation and aerospace industry;pharmaceutical industry; gas exhaust;power plant;ship builiding;water treatment,etc. |
| ready stock,faster delivery time;available in all sizes,customized;high quality |
Product Name: Customized Forged Carbon Steel Stainless steel plate flat Standard ASME Weld Neck Flange
Common Flange Standard:
Product name | AISI321 stainless steel pipe fittings SO/WN/SW/BL/PL flanges welded threaded flanges |
Material | carbon steel, alloy steel and stainless steel |
Standard | ASME B16.47-96, ASTM B16.5-2003,SH3406 |
Size | DN15-DN2000, NPS1/2-NPS80 |
Class | Class150/300/400/600/900/1500/2500 |
Type | FF/RF/MF/TG/RG |




Factory Information:
Hebei Haihao High-pressure Flange & Pipe Fittings Group Co., Ltd. was founded in 1982, Haihao Group owns a wholly-owned subsidiary named Hebei Haihao Group Premium Pipeline Equipments Co., Ltd. Hebei Haihao High-pressure Flange & Pipe Fittings Group Co., Ltd. covers an area of 580,000 square meters, has 660 employees, total assets of RMB 250 million, and an annual output of nearly 100,000 tons. Currently, Haihao Group has 22 advanced flange and pipe fitting production lines; Haihao Group produces flange and pipe fittings, covering different specifications of high-pressure, medium-pressure and low-pressure stainless steel, alloy steel and carbon steel flange, elbows, elbow pipes, tees, reducers, socket components and other pipeline components in line with the international and Chinese standards.



FAQ:
Q1. Where is your factory ?
A1:Our company’s processing center is located in Cangzhou,HeBei, China.
Q2. What are your company's main products ?
A2: Our main products are flange, elbows, elbow pipes, tees, reducers, socket components and other pipeline components in line.
Q3. How do you control quality ?
A3: Mill Test Certification is supplied with shipment, Third Party Inspection is available.