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Stainless Steel Companion Flanges are widely used in piping systems where strength, durability, and corrosion resistance are essential. These flanges are designed to connect pipes, valves, pumps, and other equipment, ensuring a leak-proof and secure joint. For engineers, fabricators, and procurement teams, having access to a Stainless Steel Companion Flanges Weight Chart is crucial for accurate planning, load calculation, and installation.
In this blog, you will find complete information about the Stainless Steel Companion Flanges Weight Chart in KG, Stainless Steel Companion Flanges Weight Chart in MM, and details about accessing the Stainless Steel Companion Flanges Weight Chart in PDF format for easy reference.
Below is a general reference table (approximate values for common pressure ratings):
| Nominal Size (NB) | Outside Diameter (mm) | Thickness (mm) | Approx. Weight (KG) |
| 15 mm | 95 mm | 12 mm | 0.8 KG |
| 25 mm | 115 mm | 14 mm | 1.2 KG |
| 40 mm | 150 mm | 16 mm | 2.1 KG |
| 50 mm | 165 mm | 18 mm | 3.0 KG |
| 80 mm | 200 mm | 20 mm | 5.2 KG |
| 100 mm | 220 mm | 22 mm | 7.5 KG |
| 150 mm | 285 mm | 24 mm | 12.8 KG |
| 200 mm | 340 mm | 26 mm | 20.5 KG |
Stainless Steel Companion Flanges Weight Chart in KG
The Stainless Steel Companion Flanges Weight Chart in KG provides weight values in kilograms for standard flange sizes. This is particularly useful for international projects where metric standards are followed.
Stainless Steel Companion Flanges Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
| SS 304L | 1.4306 / 1.4307 | S30403 | SUS 304L | 3304S11 | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
| SS 310 | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | – | X15CrNi25-20 |
| SS 310S | 1.4845 | S31008 | SUS 310S | 310S16 | 20Ch23N18 | – | X8CrNi25-21 |
| SS 316 | 1.4401 / 1.4436 | S31600 | SUS 316 | 316S31 / 316S33 | – | Z7CND17‐11‐02 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
| SS 316Ti | 1.4571 | S31635 | SUS 316Ti | 320S31 | 08Ch17N13M2T | Z6CNDT17‐123 | X6CrNiMoTi17-12-2 |
| SS 317 | 1.4449 | S31700 | SUS 317 | – | – | – | – |
| SS 317L | 1.4438 | S31703 | SUS 317L | – | – | – | X2CrNiMo18-15-4 |
| SS 321 | 1.4541 | S32100 | SUS 321 | – | – | – | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | – | – | – | X12CrNiTi18-9 |
| SS 347 | 1.4550 | S34700 | SUS 347 | – | 08Ch18N12B | – | X6CrNiNb18-10 |
| SS 347H | 1.4961 | S34709 | SUS 347H | – | – | – | X6CrNiNb18-12 |
| SS 446 | 1.4762 / 3 | S44600 | – | – | – | – | – |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | – | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
| SMO 254 | 1.4547 | S31254 | – | – | – | – | X1CrNiMoCuN20-18-7 |
Stainless Steel Companion Flanges are precision-engineered components designed to provide secure and leak-proof connections in piping systems. When selecting the correct flange for a project, understanding its exact dimensions and weight is essential. This is where the Stainless Steel Companion Flanges Weight Chart becomes a valuable technical reference. It helps engineers, designers, and procurement professionals determine accurate load-bearing capacity, transportation requirements, and installation feasibility before the flange is delivered to the project site.
The Stainless Steel Companion Flanges Weight Chart in KG is particularly useful for projects that follow metric standards. Weight data expressed in kilograms allows for accurate structural load calculations, especially in elevated piping systems and industrial plants where weight distribution plays a critical role in safety. By referring to a reliable Stainless Steel Companion Flanges Weight Chart in KG, project teams can estimate the total system weight, plan lifting equipment requirements, and optimize logistics during shipment.
Stainless Steel Companion Flanges Dimension Chart
| NominalPipeSize | “A”(O.D.) | “B”(Thk.) | “C”(RF Dia.) | “D”(B.C.D.) | # BoltHoles | Dia. ofBolt Holes | Approx.Weight |
| 1/2″ | 3-3/4 | 9/16 | 1-3/8 | 2-5/8 | 4 | 5/8 | 2 |
| 3/4″ | 4-5/8 | 5/8 | 1-11/16 | 3-1/4 | 4 | 3/4 | 3 |
| 1″ | 4-7/8 | 11/16 | 2 | 3-1/2 | 4 | 3/4 | 4 |
| 1-1/4″ | 5-1/4 | 3/4 | 2-1/2 | 3-7/8 | 4 | 3/4 | 6 |
| 1-1/2″ | 6-1/8 | 13/16 | 2-7/8 | 4-1/2 | 4 | 7/8 | 7 |
| 2″ | 6-1/2 | 7/8 | 3-5/8 | 5 | 8 | 3/4 | 8 |
| 2-1/2″ | 7-1/2 | 1 | 4-1/8 | 5-7/8 | 8 | 7/8 | 12 |
| 3″ | 8-1/4 | 1-1/8 | 5 | 6-5/8 | 8 | 7/8 | 16 |
| 3-1/2″ | 9 | 1-3/16 | 5-1/2 | 7-1/4 | 8 | 7/8 | 21 |
| 4″ | 10 | 1-1/4 | 6-3/16 | 7-7/8 | 8 | 7/8 | 28 |
| 5″ | 11 | 1-3/8 | 7-5/16 | 9-1/4 | 8 | 7/8 | 37 |
| 6″ | 12-1/2 | 1-7/16 | 8-1/2 | 10-5/8 | 12 | 7/8 | 48 |
| 8″ | 15 | 1-5/8 | 10-5/8 | 13 | 12 | 1 | 79 |
| 10″ | 17-1/2 | 1-7/8 | 12-3/4 | 15-1/4 | 16 | 1-1/8 | 122 |
| 12″ | 20-1/2 | 2 | 15 | 17-3/4 | 16 | 1-1/4 | 183 |
| 14″ | 23 | 2-1/8 | 16-1/4 | 20-1/4 | 20 | 1-1/4 | 241 |
| 16″ | 25-1/2 | 2-1/4 | 18-1/2 | 22-1/2 | 20 | 1-3/8 | 315 |
| 18″ | 28 | 2-3/8 | 21 | 24-3/4 | 24 | 1-3/8 | 414 |
| 20″ | 30-1/2 | 2-1/2 | 23 | 27 | 24 | 1-3/8 | 515 |
| 24″ | 36 | 2-3/4 | 27-1/4 | 32 | 24 | 1-5/8 | 800 |
| 1/16″ raised face included in flange thickness. | |||||||
In heavy industrial environments such as oil refineries, chemical processing plants, power stations, and offshore platforms, even small differences in flange weight can impact structural support design. Engineers rely on the Stainless Steel Companion Flanges Weight Chart to ensure that pipe racks, supports, and brackets are adequately designed to handle operational loads. Proper weight estimation also contributes to cost efficiency by preventing overdesign or underestimation of support systems.
Overall, the Stainless Steel Companion Flanges Weight Chart in KG, the Stainless Steel Companion Flanges Weight Chart in MM, and the Stainless Steel Companion Flanges Weight Chart in PDF serve as essential technical tools for accurate planning and execution. Access to precise weight and dimension data not only enhances safety and reliability but also improves efficiency across design, fabrication, and installation stages of industrial piping projects.