Stainless Steel 316/316L/316H/316Ti are variations of the same grade with slight differences in their composition and characteristics. These variations are often used for different applications in the field of pipe fittings and other industrial uses. Here's a brief overview of each:
Stainless Steel 316 (UNS S31600):
Standard molybdenum-bearing grade, offering excellent corrosion resistance, particularly in chloride environments.
Commonly used in chemical processing, pharmaceuticals, and marine applications.
Table Content
Stainless Steel 316L (UNS S31603):
Low carbon version of 316, minimizing carbide precipitation during welding.
Ideal for welding applications and offers enhanced corrosion resistance in certain corrosive environments.
Stainless Steel 316H (UNS S31609):
High carbon version of 316, designed for elevated temperature service.
Suitable for high-temperature applications such as chemical processing and power generation.
Stainless Steel 316Ti (UNS S31635):
Titanium-stabilized version of 316, preventing sensitization during welding.
Provides resistance to intergranular corrosion, especially in high-temperature environments.
When it comes to pipe fittings made from these materials, they are designed to connect or adapt different sections of piping systems. Common types of pipe fittings include elbows, tees, reducers, couplings, and more. The choice of the specific grade (316, 316L, 316H, or 316Ti) depends on the requirements of the application, such as the corrosive environment, temperature, and welding considerations.
Here are some general features and considerations for stainless steel pipe fittings:
Corrosion Resistance
Stainless steel, in general, is known for its excellent corrosion resistance. The specific grade chosen (316, 316L, 316H, 316Ti) will determine the level of corrosion resistance in different environments.
Weldability
The low carbon content in 316L improves its weldability, and titanium stabilization in 316Ti minimizes sensitization during welding.
Temperature Resistance
316H and 316Ti are designed for elevated temperature applications. The choice depends on the specific temperature requirements of the application.
Applications
These pipe fittings are widely used in industries such as chemical processing, petrochemical, pharmaceuticals, food processing, and more.
When working with stainless steel pipe fittings, it's important to adhere to industry standards and guidelines for installation, maintenance, and material selection to ensure the longevity and performance of the piping system.
Cutting, Shaping and Heating, Forming
Machining & Heat Treatment
Non-Destructive Testing & Surface Treatment
Marking and Identification
| Specifications | ASTM A403 / ASME SA403 |
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 |
| Size | ½” NB to 16” NB |
| Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| Type | DN15-DN1200 |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom MSS Sp-43 Stainless Steel Pipe Fitting |
| Size Range | ½" NB to 24" NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100) ASTM A403 Stainless Steel Buttweld Fitting |
| Elbows | Angle : 22.5 deg, 30deg, 45 deg, 90 deg, 180 deg, 1.0D, 1.5D, 2.0D,
2.5D, 3D, 4D, 5D, 6D, 7D-40D. Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO |
| Connection | Welding |
| Manufacturing process | Forge, Cast, Push, Press, etc. |
| Key markets and industries |
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| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Specialized manufacturer of | 90 Deg Elbows, 45 Deg Elbows, Tees, Crosses, Reducers, Pipe Cap, Stub End, Pipe Bend |
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316 Stainless Steel Elbow
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316L Stainless Steel Tee
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316 Stainless Steel Reducer
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Stainless Steel 316H Cross
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316 Stainless Steel Stub Ends
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316Ti SS Pipe Cap
- UNS S31600 Pipe Fittings
- Stainless Steel 316 Buttweld Fittings
- 316L Stainless Steel Welded Fittings
- ASTM A403 Stainless Steel 316H Pipe Fittings
- Stainless Steel 316L Elbow
- 316 Stainless Steel 90 Degree Elbow
- 316L SS Pipe Fittings Price List
- 316 Stainless Steel Pipe Nipples
- 316H Stainless Steel 90 Degree Elbow
- 316 Stainless Steel Pipe Fittings
- ASME SA403 Stainless Steel 316 Buttweld Fittings
- SS 316L Pipe Fittings
- SS 316 Pipe Cap
- Stainless Steel 316L Pipe Fittings
- 316 Stainless Steel Buttweld Pipe Fittings
- 316L Stainless Steel Pipe Bend
- Stainless Steel 316Ti Short Radius Elbow
- Stainless Steel 316H Industrial Fittings
- 316Ti Stainless Steel Concentric Reducer
- 316 Stainless Steel Nipple
- Stainless Steel 1.4404 Butt weld Fittings
- UNS S31603 Pipe Fittings
- Stainless Steel 316L Seamless Fittings
- Stainless Steel 1.4571 Pipe Fittings
- 316L Stainless Steel Reducing Cross
- ANSI B16.9 SS 316L Two Joint Pipe Fittings
- 316 Stainless Steel Long Radius Stub End
- ASME SA403 Stainless Steel 316L Lap Joint Stub End
- SS 316 180° LR Return Bend
- UNS S31635 Pipe Fittings
- Stainless Steel 1.4401 Pipe Fittings
- 316H Stainless Steel 45 Degree Elbow
- ASME B16.9 SS 316L Equal Tee
- Stainless Steel 316 Dish Ends
- Stainless Steel 316Ti U Bend
- Stainless Steel 316L Long Radius Elbow
| STANDARD | WERKSTOFF NR. | UNS | JIS | AFNOR | BS | GOST | EN |
| SS 316 | 1.4401 / 1.4436 | S31600 | SUS 316 | Z7CND17‐11‐02 | 316S31 / 316S33 | – | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | Z3CND17‐11‐02 / Z3CND18‐14‐03 | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
| SS 316H | – | S31609 | – | – | – | – | – |
| SS 316TI | 1.4571 | S31635 | SUS 316Ti | Z6CNDT17‐12 | 320S31 | 08Ch17N13M2T | X6CrNiMoTi17-12-2 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 316 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 - 18.00 | 2.00 - 3.00 | 11.00 - 14.00 | 67.845 min |
| SS 316L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 - 18.00 | 2.00 - 3.00 | 10.00 - 14.00 | 68.89 min |
| SS 316H | 0.10 max | 2.0 max | 0.75 max | 0.045 max | 0.030 max | 16.00 - 18.00 | 2.00 - 3.00 | 10.00 - 14.00 | 68.89 min |
| SS 316Ti | 0.08 max | 2.0 max | 0.75 max | 0.045 max | 0.030 max | 16.00 - 18.00 | 2.00 - 3.00 | 10.00 - 14.00 | 68.395 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1399 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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