C&N HUITONG limited are leading steel pipe,fitting and flange Supplier since 1997.
Phone: +86-0317-6287569     E-mail: alloypipefitting@gmail.com

Flanges/

SS304, SS316 Inox Mat Bich, SUS304, SUS316 Flange

Standard: ANSI, DIN, JIS
Type: Welding Flange
Material: Stainless Steel
Structure: Flanges
Connection: Welding
Sealing Surface: RF

 

  • Product Details
  • Packing & Delivery
  • Flange dimension
  • FAQs

Basic Info.

Model NO.Stainless steel blind flangeManufacturing WayForging
Stainless Steel FlangeSs304Stainless FlangeSs316
Transport PackageWooden CaseSpecificationB16.5 B16.9 API605
TrademarkC&NOriginChina
HS Code7307910Production Capacity400ton/Month

Product Description

C&N is a  professional manufacturer of steel forged flange in China,
304,316 Inox Mat bich 
Mt Bích Inox ; JIS5K,10K,16K,20K RF

stainless steel :A 182 F 304/304L/316/316L/321/347, Duplex F51/F53/F44/F55/F60/F61       

Our production scope:
ASTM/ASME/ANSIB16.5, B16.47, ASME/ANSIB16.48 flange
slip on flange, Weld Neck Flange Threaded Flange Blind Flange, 

Size 1/2″-120″ (DN15-DN3000) 

Pressure: Class150-Class2500 

Facing RF/FF / RTJ 

Standard: ASTM/ASME/ANSIB16.5, ASME/ANSI B16.3and B16.47, ASME/ANSIB16.42, JIS/KS (5K, 10K, 16K, 20K), DIN2633, DIN2634, DIN2635,EN1092,BS4504,AWWA C206,API 6A ,Customized drawings welcomed

stainless steel :A 182 F 304/304L/316/316L/321/347, Duplex F51/F53/F44/F55/F60/F61
Alloy steel :STM A694/ A694M F42/F46/F52/F56/F60/F70,A182  F5,F9,F11,F22
arbon steel:ASTM A 105, ST37.2   A 350 LF1, LF2, LF3,API 6A AISI 4130       

Inspection: In house and third party

Document: MTC Comply with EN10204 3.1 can be provided prior to shipment


Type 
slip on flange, Weld Neck Flange Threaded Flange Blind Flange,  Orifice Flange socket weld flange, Spacer Ring, Paddle, Spectacle Blind Flange
Materialstainless steel :A 182 F 304/304L/316/316L/321/347,
Duplex F51/F53/F44/F55/F60/F61
Alloy steel :STM A694/ A694M F42/F46/F52/F56/F60/F70,A182  F5,F9,F11,F22
Carbon steel:ASTM A 105, ST37.2   A 350 LF1, LF2, LF3,API 6A AISI 4130                
StandardASTM/ASME/ANSIB16.5, B16.47, ASME/ANSIB16.48, JIS/KS (5K, 10K, 16K, 20K), DIN2633, DIN2634, DIN2635,EN1092,BS4504,AWWA C206,API 6A ,Customized drawings welcomed
Size1/2″ – 120 ” (DN15-DN3000) 
PressureClass150-Class2500 JIS 5k-30k DIN 6bar-40bar 
Face typeFF,RF,RTJ
Surface Treatment Surface galvanized, antirust coating, Epoxy & FBE Coating,protected with plastic caps       
PackingPallet/Wooden case(Fumigation free)
CertificateISO9001,PED,EN10204 3.1 MTC
Quality control In house and third party

All our pipe fitting and flange shipped with proper packing protection, and our factory with good experience on special products like polished pipe packing ,FBE coated fitting and pipe packing, oversizes fitting up to 3500mm packing&shipping.

Common shipping and packing for our products

Item Producs   Dimension Surface Packing
method
Shipping
method
Remark
1 Flange below 60in varnish oil wooden case sea/air  
2 Flange over 60in varnish oil wooden pallet/steel frame sea/air For OD over 2.3m
3 Fitting below 24in varnish oil wooden case/pallet sea/air  
4 Fitting over 24in black painting wooden case/pallet sea/air  
5 Fitting over 24in black painting Nude packing Bulk vessel For OD over 2.32m
6 Pipe Below 8in bundle Woven bag/wooden case sea/air  
7 Pipe over 8in single piece Woven bag/wooden case sea/air  
8 Gasket all sizes   Cartons/wooden case sea/air  
9 Fastener all sizes   Cartons/wooden case sea/air  

Also we can fulfill customized packing and delivery requirements. some of our products packing pictures as below

Flange packing Flange packing Steel pipe wooden case packing

Pipe fitting pallet packing Forge fitting packing FBE pipe fitting packing
SPW gasket packing Steel pipe bulk cargo packing Steel frame packing
Steel pipe protection Customize products packing Customize products packing
Flange Dimensions & Approximate Masses / Flange Weight
Table ANSI, ASME, ASA, B16.5 150lb/sq.in. Plate Ring Flange RF
ø D b g m J k Holes l Kg.
1/2″ 88,9 11,1 34,9 30,2 22,3 60,3 4 15,9 0,400
3/4″ 98,4 12,7 42,9 38,1 27,7 69,8 4 15,9 0,700
1″ 107,9 14,3 50,8 49,2 34,5 79,4 4 15,9 0,800
1 1/4″ 117,5 15,9 63,5 58,8 43,2 88,9 4 15,9 1,100
1 1/2″ 127,0 17,5 73,0 65,1 49,5 98,4 4 15,9 1,400
2″ 152,4 19,0 92,1 77,8 62,0 120,6 4 19,0 2,200
2 1/2″ 177,8 22,2 104,8 90,5 74,7 139,7 4 19,0 3,600
3″ 190,5 23,8 127,0 107,9 90,7 152,4 4 19,0 4,100
3 1/2″ 215,9 23,8 139,7 122,2 103,4 177,8 8 19,0 5,200
4″ 228,6 23,8 157,2 134,9 116,1 190,5 8 19,0 5,600
5″ 254,0 23,8 185,7 163,6 143,8 215,9 8 22,2 6,300
6″ 279,4 25,4 215,9 192,1 170,7 241,3 8 22,2 7,500
8″ 342,9 28,6 269,9 246,1 221,5 298,4 8 22,2 12,600
10″ 406,4 30,2 323,8 304,8 276,3 361,9 12 25,4 18,500
12″ 482,6 31,7 381,0 365,1 327,1 431,8 12 25,5 28,000
14″ 533,4 34,9 412,7 400,0 359,1 476,2 12 28,6 36,000
16″ 596,9 36,5 469,9 457,2 410,5 539,7 16 28,6 46,000
18″ 635,0 39,7 533,4 504,8 461,8 577,8 16 31,7 50,000
20″ 698,5 42,9 584,2 558,8 513,1 635,0 20 31,7 64,000
22″ 749,3 46,0 641,2 609,6 564,4 692,1 20 34,9 72,000
24″ 812,8 47,6 692,1 663,6 615,9 749,3 20 34,9 89,000
                   
NOTE:
1. Class 150 flanges except Lap Joint will be furnished with 0.06 (1.6mm) raised face, which is included in ‘Thickness’ (C) and ‘Length through Hub’ (Y1), (Y3).
2. For Slip-on, Threaded, Socket Welding and Lap Joint Flanges, the hubs can be shaped either vertical from base to top or tapered within the limits of 7 degrees.
3. Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.
4. The gasket surface and backside (bearing surface for bolting) are made parallel within 1 degree. To accomplish parallelism, spot facing is carried out according to MSS SP-9, without reducing thickness (C).
5. Depth of Socket (D) is covered by ANSI B 16.5 only in sizes through 3 inch, over 3 inch is at the manufacturer’s option.

 

Table ANSI, ASME, ASA, B16.5 300lb/sq.in. Plate Flange RF
ø D b g m J k Holes l Kg.
1/2″ 95,6 14,3 34,9 38,1 22,3 66,7 4 15,9 0,700
3/4″ 117,5 15,9 42,9 47,6 27,7 82,5 4 19,0 1,100
1″ 123,8 17,5 50,8 54,0 34,5 88,9 4 19,0 1,400
1 1/4″ 133,3 19,0 63,5 63,5 43,2 98,4 4 19,0 1,800
1 1/2″ 155,6 20,6 73,0 69,8 49,5 114,3 4 22,2 2,600
2″ 165,1 22,2 92,1 84,1 62,0 127,0 8 19,0 3,400
2 1/2″ 190,5 25,4 104,8 100,0 74,7 149,2 8 22,2 4,400
3″ 209,5 28,6 127,0 117,5 90,7 168,3 8 22,2 6,100
3 1/2″ 228,6 30,2 139,7 133,3 103,4 184,1 8 22,2 7,500
4″ 254,0 31,7 157,2 146,0 116,1 200,0 8 22,2 10,100
5″ 279,4 34,9 185,7 177,8 143,8 234,9 8 22,2 12,500
6″ 317,5 36,5 215,9 206,4 170,7 269,9 12 22,2 14,100
8″ 381,0 41,3 269,9 260,3 221,5 330,2 12 25,4 24,800
10″ 444,5 47,6 323,8 320,7 276,3 387,3 16 28,6 37,100
12″ 520,7 50,8 381,0 374,6 327,1 450,8 16 31,7 50,000
14″ 584,2 54,0 412,7 425,4 359,1 514,3 20 31,7 70,000
16″ 647,7 57,1 469,9 482,6 410,5 571,5 20 34,9 90,000
18″ 711,2 60,3 533,4 533,4 461,8 628,6 24 34,9 112,000
20″ 774,7 63,5 584,2 584,2 513,1 685,8 24 34,9 133,000
22″ 838,2 66,7 641,2 641,2 564,4 742,9 24 41,3 197,000
24″ 914,4 69,8 692,1 701,7 615,9 812,8 24 41,3 208,000
NOTE:
1. Class 300 flanges except Lap Joint will be furnished with 0.06 (1.6mm) raised face, which is included in ‘Thickness’ (C) and ‘Length through Hub’ (Y1), (Y3).
2. For Slip-on, Threaded, Socket Welding and Lap Joint Flanges, the hubs can be shaped either vertical from base to top or tapered within the limits of 7 degrees.
3. Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.
4. The gasket surface and backside (bearing surface for bolting) are made parallel within 1 degree. To accomplish parallelism, spot facing is carried out according to MSS SP-9, without reducing thickness (C).
5. Depth of Socket (D) is covered by ANSI B 16.5 only in sizes through 3 inch, over 3 inch is at the manufacturer’s option.

 

Table ANSI, ASME, ASA, B16.5 600lb/sq.in. Plate Flange RF
ø D b g m J k Holes l Kg.
1/2″ 95,2 14,3 34,9 38,1 22,3 66,7 4 15,9 0,800
3/4″ 117,5 15,9 42,9 47,6 27,7 82,5 4 19,0 1,400
1″ 123,8 17,5 50,8 54,0 34,5 88,9 4 19,0 1,600
1 1/4″ 133,3 20,6 63,5 63,5 43,2 98,4 4 19,0 2,100
1 1/2″ 155,6 22,2 73,0 69,8 49,5 114,3 4 22,2 3,100
2″ 165,1 25,4 92,1 84,1 62,0 127,0 8 19,0 3,700
2 1/2″ 190,5 28,6 104,8 100,0 74,7 149,2 8 22,2 5,400
3″ 209,5 31,7 127,0 117,5 90,7 168,3 8 22,2 7,300
3 1/2″ 228,6 34,9 139,7 133,3 103,4 184,1 8 25,4 8,900
4″ 273,0 38,1 157,2 152,4 116,1 215,9 8 25,4 11,800
5″ 330,2 44,4 185,7 188,9 143,8 266,7 8 28,6 24,500
6″ 355,6 47,6 215,9 222,2 170,7 292,1 12 28,6 29,500
8″ 419,1 55,6 269,9 273,0 221,5 349,2 12 31,7 43,000
10″ 508,0 63,5 323,8 342,8 276,3 431,8 16 34,9 70,000
12″ 558,8 66,7 381,0 400,0 327,1 488,9 20 34,9 86,000
14″ 603,2 69,8 412,7 431,8 359,1 527,0 20 38,1 100,000
16″ 685,8 76,2 469,9 495,3 410,5 603,2 20 41,3 142,000
18″ 742,9 82,5 533,4 546,1 461,8 654,0 20 44,4 175,000
20″ 812,8 88,9 584,2 609,6 513,1 723,9 24 44,4 232,000
22″ 869,9 95,2 641,2 666,7 564,4 777,9 24 47,6 292,000
24″ 939,8 101,6 692,1 717,5 615,9 838,2 24 50,8 330,000
NOTE:
1. Class 600 flanges except Lap Joint will be furnished with 0.25 (6.35mm) raised face, which is not included in ‘Thickness’ (C) and ‘Length through Hub’ (Y1), (Y3).
2. For Slip-on, Threaded, Socket Welding and Lap Joint Flanges, the hubs can be shaped either vertical from base to top or tapered within the limits of 7 degrees.
3. Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.
4. The gasket surface and backside (bearing surface for bolting) are made parallel within 1 degree. To accomplish parallelism, spot facing is carried out according to MSS SP-9, without reducing thickness (C).
5. Dimensions of sizes 1/2 through 3 1/2 are the same as for Class 400 Flanges.
6. Depth of Socket (D) is covered by ANSI B 16.5 only in sizes through 3 inch, over 3 inch is at the manufacturer’s option.
 
Production Capacity & Purchase Details
   
1. Supply Flange Dimension DN15 – DN600 (1/2″ – 24″) for Plate Flange, Forged Flange.
2. Flange Material Carbon Steel: ASTM A105, A181, A350 LF1, A350LF2, A350LF3, A36, A234 WPB, Q235B, 20#, 20Mn.
3. Flange Material Stainless Steel: ASTM A182 F304, F304L, F316, F316L, F321 etc.
4. Flange Anti Rust: Anti Rust Oil, Black Paint, Yellow Paint Coating, Hot Dipped Galvanized, Cold Galvanized etc.
5. Flange Monthly Output: 3000 tons per Month.
6. Flange Delivery Terms: CIF, CFR, FOB, EXW, transport by air, by sea, by express DHL, FedEx, TNT, EMS etc.
7. Flange Payment Terms: Wire Transfer (T/T), Irrevocable L/C at Sight etc.
8. Flange Minimum Order Quantity (MOQ): 1Ton or 100Pcs per size.
9. Quality Guarantee: EN10204 3.1 Certificate, Mill Certificate, Third Party Inspection, Free Replacement Service.
10. Find More Requirements In Flanges Market.

Frequently Asked Questions

Easy to enjoy our service by scan the follow Frequently Asked Questions

Q: What kind of material does HONGCHENG supply?

HONGCHENG generally specializes in alloy steel and specialty alloys. Some of these specialty alloys include Alloy 20, Duplex Alloys, Nickel Alloys such as various grades of Hastelloy (C276, C22), Aluminum, Chrome Moly ASTM A/ASME SA 335 P1, P2, P5, P9, P11, P12,P22, P23, P91, and P92.
we also offer bending,CNC machining, coating service.

Q. What the define of pipe fittings?
Pipe fitting is the occupation of installing or repairing piping or tubing systems that convey liquid, gas, and occasionally solid materials. This work involves selecting and preparing pipe or tubing, joining it together by various means, and the location and repair of leaks.
Pipe fitting work is done in many different trades: Plumbing, HVAC, manufacturing, fire prevention, and many others. Pipe fitters (sometimes called simply “fitters”) are represented in the USA by the United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada.
Fitters work with a variety of pipe and tubing materials including several types of plastic, copper, steel, iron, aluminium, clay, and lead.

Q. What should I consider for buying pipe fittings?
A. Material, Size, Temperature and Pressure Ratings, Durability, Standards,surface coating etc.

Q. What are threaded fittings?
A. Thread fitting is the fitting with thread concetions,the regular screw standards are NPT and BSP.NPT is a U.S. standard for tapered threads used to join pipes and fitting and BSP is a family of standard screw thread types that has been adopted internationally for interconnecting and sealing pipe ends by mating an external (male) with an internal (female) thread.

Q. The define of flange?
A. A flange is usually in the shape of a plate or ring which forms a rim at the end of a pipe when fastened to the pipe our factory can produce single forge base over 8000kg.

Q.Do you provide Material Test Reports (MTR’s) ?
Relevant documents according to inspection test plan will be provide along with goods.

Q.What is a standard used in pipe fittings?
A. Standards are certain authentication given in reference to manufacture and installation of the product . Some common standards are BSP, NPT, ANSI, ASME etc

Q. My questions is not answered in this FAQs section, what do I do now?
A: Simply call us or email us at info@alloysteelfitting.com and we will do our best to effectively answer all of your product or order questions. .

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