Zhengzhou Huitong Pipeline Equipment Co.,Ltd.
| Payment Terms | L/C, T/T, Western Union, MoneyGram |
| Supply Ability | 1000000000pcs per month |
| Delivery Time | 1~15days |
| Packaging Details | plywood case,pallet,etc. |
| Type | Weld Neck Flange |
| Standard | DIN,ANSI,ASME,JIS,GB |
| Material | Duplex Steel F55 |
| Size | 22"-48" |
| Pressure | Class150/300/600/900/1500 etc |
| Process | CNC Processing,Casting,forged |
| Application | Power generation,gas and oil pip,Pipe Tube Connection,Chemical and petrochemical,Industry |
| Sample | For free,Avaliable,but you need to pay for the freight charge for the samples |
| Brand Name | HT |
| Model Number | Duplex Steel F55 |
| Certification | ISO SGS BV TUV CE,etc. |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | L/C, T/T, Western Union, MoneyGram | Supply Ability | 1000000000pcs per month |
| Delivery Time | 1~15days | Packaging Details | plywood case,pallet,etc. |
| Type | Weld Neck Flange | Standard | DIN,ANSI,ASME,JIS,GB |
| Material | Duplex Steel F55 | Size | 22"-48" |
| Pressure | Class150/300/600/900/1500 etc | Process | CNC Processing,Casting,forged |
| Application | Power generation,gas and oil pip,Pipe Tube Connection,Chemical and petrochemical,Industry | Sample | For free,Avaliable,but you need to pay for the freight charge for the samples |
| Brand Name | HT | Model Number | Duplex Steel F55 |
| Certification | ISO SGS BV TUV CE,etc. | Place of Origin | China |
| High Light | forged steel flanges ，duplex steel flanges | ||
Welding Neck Duplex Stainless Steel Flangs ASTM A182 F55 as ASME B16.47
1. ASTM A182 F55 Flanges Production Range
| Specification | ASTM A182 / ASME SA182 F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61. |
| UNS Grade | UNS S31803, S32205, S2205, S32550, S32750, S32760. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Size | ½” to 24? |
| Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Products | Size | |
| Duplex Slip-On Flanges | Duplex Threaded Flanges | 1/8″ – 36″ Raised Face or Flat Face |
| Duplex Weld Neck Flanges | Duplex Socket Weld Flanges | |
| Duplex Blind Flanges | Duplex Reducing Flanges | |
| Duplex Lap Joint Flanges | Duplex Plate Flanges | |
2. Weld Neck Flange Type
.Long weld neck Flange
.Reducing Weld Neck Flange
.NW Long Weld Neck Flanges
.Materials of WN Flanges
.Weld Neck Flange Dimensions
3. Standards for WN flanges:
.ASME B16.5
.ASME B16.47
.BS 3293
.DIN 2630 PN 1 and PN 2.5, 2631 PN 6, 2632 PN 10, 2634 PN 16, 2634 PN 25, 2635 PN 40
4. FLANGE - WELD NECK, ANSI CLASS 150, B16.47
Dimensions to ASME B16.47 - Large Diameter Steel Flanges: NPS 26 Through NPS 60 Metric/Inch Standard
| Pipe Size (NPS) | Outside Diameter of Flange A | Diameter of Raised Face B | Thickness of Flange C | Diameter of Bore D | Diameter of Hub at Weld H | Diameter of Hub at Base J | Length of Hub K | Number of Bolt Holes
| Diameter of Bolt Holes
| Bolt Circle Diameter P | Approx. Weight (lb) |
| 26 | 34 1/4 | 29 1/2 | 2 11/16 | * | 26 | 26 5/8 | 4 3/4 | 24 | 1 3/8 | 31 3/4 | 300 |
| 28 | 36 1/2 | 31 1/2 | 2 13/16 | * | 28 | 28 5/8 | 4 15/16 | 28 | 1 3/8 | 34 | 345 |
| 30 | 38 3/4 | 33 3/4 | 2 15/16 | * | 30 | 30 3/4 | 5 3/8 | 28 | 1 3/8 | 36 | 400 |
| 32 | 41 3/4 | 36 | 3 3/16 | * | 32 | 32 3/4 | 5 11/16 | 28 | 1 5/8 | 38 1/2 | 505 |
| 34 | 43 3/4 | 38 | 3 1/4 | * | 34 | 34 3/4 | 5 7/8 | 32 | 1 5/8 | 40 1/2 | 540 |
| 36 | 46 | 40 1/4 | 3 9/16 | * | 36 | 36 3/4 | 6 3/16 | 32 | 1 5/8 | 42 3/4 | 640 |
| 38 | 48 3/4 | 42 1/4 | 3 7/16 | * | 38 | 39 | 6 3/16 | 32 | 1 5/8 | 45 1/4 | 720 |
| 40 | 50 3/4 | 44 1/4 | 3 9/16 | * | 40 | 41 | 6 7/16 | 36 | 1 5/8 | 47 1/4 | 775 |
| 42 | 53 | 47 | 3 13/16 | * | 42 | 43 | 6 3/4 | 36 | 1 5/8 | 49 1/2 | 890 |
| 44 | 55 1/4 | 49 | 4 | * | 44 | 45 | 7 | 40 | 1 5/8 | 51 3/4 | 990 |
| 46 | 57 1/4 | 51 | 4 1/16 | * | 46 | 47 1/8 | 7 5/16 | 40 | 1 5/8 | 53 1/4 | 1060 |
| 48 | 59 1/2 | 53 1/2 | 10 1/4 | * | 48 | 49 1/8 | 7 9/16 | 44 | 1 5/8 | 56 | 1185 |
| 50 | 61 3/4 | 55 1/2 | 4 3/8 | * | 50 | 51 1/4 | 8 | 44 | 1 7/8 | 58 1/4 | 1270 |
| 52 | 64 | 57 1/2 | 4 9/16 | * | 52 | 53 1/4 | 8 1/4 | 44 | 1 7/8 | 60 1/2 | 1410 |
| 54 | 66 1/4 | 59 1/2 | 4 3/4 | * | 54 | 55 1/4 | 8 1/2 | 44 | 1 7/8 | 62 3/4 | 1585 |
| 56 | 68 3/4 | 62 | 4 7/8 | * | 56 | 57 3/8 | 9 | 48 | 1 7/8 | 65 | 1760 |
| 58 | 71 | 64 | 5 1/16 | * | 58 | 59 3/8 | 9 1/4 | 48 | 1 7/8 | 67 1/4 | 1915 |
| 60 | 73 | 66 | 5 3/16 | * | 60 | 61 3/8 | 9 7/16 | 52 | 1 7/8 | 69 1/4 | 2045 |
5. F55 Super Duplex Flanges Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex F55 | 1.4410 | S32760 |
6. Chemical Composition of Super DuplexF55 Flanges
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Super Duplex F55 | 0.05 max | 1.00 max | 1.00 max | 0.030 max | 0.010 max | 24 – 26 | 3 – 4 | 6 – 8 | 0.20 – 0.30 | 57.61 min |
7. Mechanical Properties of Super Duplex Steel F55 Flange
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1978
Total Annual:
10000000-20000000
Employee Number:
50~100
Ecer Certification：
Active Member
Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fitti... Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fitti...
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