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Wrought fittings produced in the factory covered by the ASME B16.9 Standard is required to be made in accordance with ASTM A 403. Molybdenum bearing Stainless Steel 316L Pipe Fittings are also referred to as marine grade, due to its superior resistance in marine environments. While the chemistry of grade 316L is similar to stainless steel grade 316, the main difference between these two alloys is the content of both nitrogen and carbon.
Similar to various low carbon containing austenitic stainless steel alloys, the letter L in Stainless Steel 316L Pipe Fittings indicate the presence of not more than 0.030% carbon.
Lowering of carbon in any austenitic stainless steel alloy proves to be detrimental to the fittings. To solve this problem, manufacturers add some amount of nitrogen in the alloy of UNS S31603 316L Stainless Steel Fittings bringing its mechanical properties on similar lines to that of stainless steel alloy 316. Compared to grade 316, the pitting resistance properties of ASME B16.9 SS 316L Fitting is much higher. Although alloy 316L can be readily welded by most conventionally used processes, performing a post weld heat treatment on the Werkstoff Nr. 1.4404 SA403 WP316L Elbow is not necessary. Due to its superior resistance to intergranular corrosion, these fittings could also be used in an as welded condition. Cold working operations performed on the alloy will not only increase the strength and hardness of the ASTM A403 WP316L Pipe Fittings but may also leave it slightly magnetic.
| Standard Specification : | Stainless Steel 316L Pipe Fittings |
| Thickness: | View Our Thickness: Schedule 5S, SCH10, SCH20, SCH10, SCH20, SCH30, SCHTD, SCH40, SCH60, XS, SCH80, SCH100, SCH120, SCH140, SCH160. |
| Standard: | JIS B2312 Fittings, ANSI B16.9 Fittings, MSS-SP-43 Type A Fittings, MSS-SP-43 Type B Fittings, ANSI B16.28 Fittings, MSS-SP-43 Type b Fittings, JIS B2313 Fittings |
| Application: | Natural Gas Industry Water Pipeline Industry Chemical Industry Oil And Gas Industry Nuclear Power Plant Fabrication Industry |
| Check Sizes: | (Buttweld 8” TO 36” ) 1/2” TO 36” (SMLS UPTO 24”) |
| Fitting Machining Equipment: | Sand-blasting machine, Press machine, Bending machine, Pushing Machine, electric bevelling machine etc |
| Stainless Steel 316L Pipe Fittings Rating Pressure: | Check Pressure Rating Of: 3000#, 6000#, 9000# |
| Dimensions Class: | Class 2000, Class 3000, Class 6000, Class 9000 |
| Coating Fittings Faces : | Zinc Plated, Anti-rust Paint, Yellow Transparent, Oil Black Paint, Cold and Hot Dip Galvanized |
| % | Stainless Steel 316L Pipe Fittings |
| C | 0.0-0.03 |
| Mn | 0-2.0 |
| Si | 0.0-1.00 |
| P | 0.0-0.05 |
| S | 0.0-0.02 |
| Cr | 16.50-18.50 |
| Mo | 2.00-2.50 |
| Ni | 10.00-13.00 |
| Ti | - |
| Fe | balance |
| Grade | Tensile Str (MPa) min |
Yield Str 0.2% Proof (MPa) min |
Elong (% in 50mm) min |
Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| ASTM A403 WP316L | 485 | 170 | 40 | 95 | 217 |
ASTM A403 WP3016L BW 45 Deg Elbow
ASTM A403 Gr WP3016L 90 Degree Elbow
ASTM A403 Gr WP3016L 180 Degree Elbow
Buttweld 3016L Pipe Long Radius Elbow
Stainless Steel 3016L BW Tee Fittings
SS ASTM A403 WP3016L Buttweld Unequal Tee
Stainless Steel 3016L Forged Concentric Reducers
Stainless Steel 3016L Buttweld Eccentric Reducers
3016L Stainless Steel Stub End
SS 3016L Short Radius Elbow
3016L Pipe U Bend Fittings
Stainless Steel 3016L End Cap
| Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Co-eff of Thermal Expansion (µm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Elec Resistivity (nΩ.m) |
|||
| 0-100°C | 0-315°C | 0-538°C | At 100°C | At 500°C | |||||
| A403 WP316L | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
| STANDARD | ASTM A403 SS 316L |
| WERKSTOFF NR. | 1.4404 / 1.4435 |
| UNS | S31603 |
| JIS | SUS 316L |
| BS | 316S11 / 316S13 |
| GOST | 03Ch17N14M3 / 03Ch17N14M2 |
| AFNOR | Z3CND17‐11‐02 / Z3CND18‐14‐03 |
| EN | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
| Stainless Steel 316L Pipe Fittings Theoretical Weights (Kilogram) | |||||||||
| DN | Sch10 | Sch40 | Sch80 | ||||||
| 90 Degree Elbow |
45 Degree Elbow |
Equal Tee |
90 Degree Elbow |
45 Degree Elbow |
Equal Tee |
90 Degree Elbow |
45 Degree Elbow |
Equal Tee |
|
| 8 | 0.02 | 0.01 | 0.03 | 0.03 | 0.02 | 0.06 | 0.04 | 0.03 | 0.07 |
| 10 | 0.03 | 0.02 | 0.05 | 0.03 | 0.02 | 0.03 | 0.06 | 0.04 | 0.09 |
| 15 | 0.06 | 0.03 | 0.09 | 0.08 | 0.04 | 0.10 | 0.10 | 0.05 | 0.14 |
| 20 | 0.07 | 0.03 | 0.13 | 0.08 | 0.04 | 0.17 | 0.11 | 0.05 | 0.20 |
| 25 | 0.14 | 0.08 | 0.28 | 0.15 | 0.11 | 0.29 | 0.22 | 0.14 | 0.38 |
| 32 | 0.23 | 0.11 | 0.49 | 0.26 | 0.17 | 0.59 | 0.40 | 0.23 | 0.68 |
| 40 | 0.30 | 0.17 | 0.68 | 0.40 | 0.23 | 0.86 | 0.51 | 0.29 | 1.02 |
| 50 | 0.50 | 0.25 | 0.85 | 0.70 | 0.40 | 1.28 | 0.91 | 0.59 | 1.59 |
| 65 | 0.85 | 0.48 | 1.41 | 1.40 | 0.77 | 2.19 | 1.81 | 0.99 | 3.13 |
| 80 | 1.25 | 0.63 | 1.77 | 2.20 | 1.08 | 3.31 | 2.97 | 1.50 | 4.45 |
| 90 | 1.70 | 0.75 | 2.67 | 2.83 | 1.42 | 4.08 | 4.00 | 2.00 | 5.44 |
| 100 | 2.10 | 1.08 | 3.46 | 4.47 | 2.09 | 5.27 | 6.18 | 2.81 | 7.71 |
| 150 | 5.45 | 2.72 | 8.07 | 10.89 | 5.44 | 10.99 | 16.32 | 8.16 | 13.16 |
| 200 | 10.20 | 5.33 | 15.65 | 21.54 | 10.77 | 20.91 | 33.11 | 16.56 | 28.12 |
| 250 | 18.15 | 9.75 | 26.46 | 38.56 | 19.27 | 35.38 | 51.71 | 25.86 | 49.90 |
| 300 | 25.80 | 13.62 | 39.46 | 59.42 | 29.71 | 62.14 | 79.38 | 39.69 | 83.91 |