In April 2025, one of our valued long-term customers sent us a quotation request for 316L stainless steel butt weld elbow. This customer has purchased various types of steel pipes, pipe fittings, and flanges from our company over the years. After carefully reviewing the customer’s quotation request, we provided them with a highly competitive quote. We immediately arranged the production schedule and completed the processing, testing, and packaging of all products within a week, delivering them on time. This cooperation further consolidated our long-term relationship with this long-standing customer and laid a solid foundation for cooperation on more projects in the future.
316L stainless steel butt weld elbow, also known as 316L stainless steel butt weld pipe fitting, is a critical component in piping systems, with its core function being to change the direction of the pipeline. This pipe fitting is manufactured using 316L stainless steel material and connected to the pipeline via butt weld to form a secure, leak-free permanent connection.
Products Lists
| Item | Description of Goods | Qty | Unit |
| 1 | ELB BW,316L,90DEG,LR,160,DN25 | 2 | EA |
| 2 | ELB BW,316L,90DEG,LR,160,DN25 | 6 | EA |
| 3 | ELB BW,316L,90DEG,LR,160,DN25 | 8 | EA |
| 4 | ELB BW,316L,90DEG,LR,160,DN25 | 4 | EA |
| 5 | ELB BW,316L,90DEG,LR,160,DN25 | 2 | EA |
Inspection Photos
ASTM A403 WP316L Stainless Steel Elbow Chemical Composition
| CHEMICAL | LIMITS | C | Mn | P | S | Si | Ni | Cr | Mo |
| ASTM A403 WP316 | MIN | 10.0 | 16.0 | 2.00 | |||||
| MAX | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 14.0 | 18.0 | 3.00 | |
| ASTM A403 WP316L | MIN | 10.00 | 16.00 | ||||||
| MAX | 0.03 | 2.00 | 0.05 | 0.03 | 1.00 | 14.00 | 18.00 |
316L Stainless Steel Elbow Mechanical Properties
| MATERIAL | ASTM A403 WP316 | ASTM A403 WP316L |
| T.S (MPA) | 515 min | 485 min |
| Y.S (MPA) | 205 min | 170 min |
| EL % | 28 min | 28 min |
316L Stainless Steel Butt Weld Elbow Physical Properties
| Grade | Density (kg/m3) | Specific Heat 0-1000C (J/kg.K) | Mean Coefficient of Thermal Expansion (m/m/0C) | Elastic Modulus (GPa) | Thermal Conductivity (W/m.K) | Electrical Resistivity (n.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 316L | 8000 | 500 | 15.9 | 16.2 | 17.5 | 193 | 16.3 | 21.5 | 740 |
316L Stainless Steel Pipe Fittings Equivalent Grade
| STANDARD | UNS | WERKSTOFF NR. | JIS | GOST | BS | AFNOR | EN |
| SS 316L | S31603 | 1.4404 / 1.4435 | SUS 316L | 03Ch17N14M3 / 03Ch17N14M2 | 316S11 / 316S13 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Advantages of Butt Weld:
Strong and Reliable: Butt weld creates a continuous, seamless connection by aligning and weld the ends of the fitting and pipe together. This connection offers exceptional strength and can withstand high pressure, high temperature, and severe vibration.
Leak-Free: The welded joint forms a single, integral unit, virtually eliminating the possibility of leakage, a crucial feature in piping systems transporting hazardous or expensive media.
Low Fluid Resistance: The smooth inner wall of a butt weld elbow matches the pipe’s inner diameter, minimizing fluid resistance at the bend and reducing energy loss.
Butt Weld 90 Degree Elbow Dimensions
| DN | NPS | OD | A | |
| LR | SR | |||
| 15 | 1/2 | 21.3 | 38 | 25 |
| 20 | 3/4 | 26.7 | 38 | 25 |
| 25 | 1 | 33.4 | 38 | 25 |
| 32 | 1-1/4 | 42.2 | 48 | 32 |
| 40 | 1-1/2 | 48.3 | 57 | 38 |
| 50 | 2 | 60.3 | 76 | 51 |
| 65 | 2-1/2 | 73.0 | 95 | 64 |
| 80 | 3 | 88.9 | 114 | 76 |
| 90 | 3-1/2 | 101.6 | 133 | 89 |
| 100 | 4 | 114.3 | 152 | 102 |
| 125 | 5 | 141.3 | 190 | 127 |
| 150 | 6 | 168.3 | 229 | 152 |
| 200 | 8 | 219.1 | 305 | 203 |
| 250 | 10 | 273.0 | 381 | 254 |
| 300 | 12 | 323.8 | 457 | 305 |
| 350 | 14 | 355.6 | 533 | 356 |
| 550 | 22 | 559.0 | 838 | 559 |
| 600 | 24 | 610.0 | 914 | 610 |
| 650 | 26 | 660.0 | 991 | 660 |
| 700 | 28 | 711.0 | 1067 | 711 |
| 750 | 30 | 762.0 | 1143 | 762 |
| 800 | 32 | 813.0 | 1219 | 813 |
| 850 | 34 | 864.0 | 1295 | 864 |
| 900 | 36 | 914.0 | 1372 | 914 |
| 950 | 38 | 965.0 | 1447 | 965 |
| 1000 | 40 | 1016.0 | 1524 | 1016 |
| 1050 | 42 | 1067.0 | 1600 | 1067 |
| 1100 | 44 | 1118.0 | 1676 | 1118 |
| 1150 | 46 | 1168.0 | 1753 | 1168 |
| 1200 | 48 | 1219.0 | 1829 | 1219 |
| 1300 | 52 | 1321.0 | 1981 | 1321 |
| 1400 | 56 | 1422.0 | 2134 | 1422 |
| 1500 | 60 | 1524.0 | 2286 | 1524 |
| 1600 | 64 | 1626.0 | 2438 | 1626 |
| 1700 | 68 | 1727.0 | 2591 | 1727 |
| 1800 | 72 | 1829.0 | 2743 | 1829 |
| 1900 | 76 | 1930.0 | 2896 | 1930 |
| 2000 | 80 | 2032.0 | 3048 | 2032 |
Application Areas
Oil and Gas Industry: Used for transporting crude oil, natural gas, and refined petroleum products.
Chemical and Pharmaceutical Industry: Used for handling corrosive chemicals and maintaining high cleanliness in process pipelines.
Food and Beverage Industry: Used in pipeline systems requiring sanitary-grade standards.
Seawater Desalination and Marine Engineering: In high-salinity marine environments, its resistance to chloride corrosion makes it an ideal choice.