C17 · Textile
Stainless Steel Plates for the Textile Industry: 316L/304 Selection and 7 Part Lists
In the textile industry, we have organized 7 parts using stainless steel: commonly used 316L / 304 / 321, with thickness ranging from 1–400 mm.
List of 7 Parts and Material Options
| Part / Component | Recommended Grade | Size / Thickness | Surface | Main Failure Modes | Reference Standards |
|---|---|---|---|---|---|
| J-Type High-Temperature High-Speed Dyeing Machine Cylinder | 316L/304/321 | Wall thickness approx. 4 mm | 2B/Anodizing and Passivation | Chloride Stress Corrosion Cracking: the acid bath contains Cl⁻, far exceeding the critical temperature for austenitic stress corrosion cracking of approximately 60℃ at 140℃; cracks initiate from welds/edges/heat-affected zones | GB/T 3280; GB/T 150; GB/T 4334 |
| Cylinder Heat Exchanger Tube Bundle/Welds | 316L | Tube wall thickness 1.0–2.0 mm | Pickling/Polishing | Cl⁻ enrichment in condensate + residual welding stress → stress corrosion cracking at welds | GB/T 151; GB/T 4334 |
| Guide Roller (Main Shaft/Roller Surface) | 304/316L | Roller surface φ100–400 mm; wall thickness 2–6 mm | Mirror Finish/Hard Chrome | Dyeing agents/corrosion resistance; 120-hour salt spray test without rust is a common acceptance criterion | GB/T 3280; FZ/T 90001 Series |
| Bleaching Machine Bleaching Tank/Alkali Liquor Tank | 316L | 0–6.0mm | 2B/Pickling | Chlorine bleaching + stress corrosion at high acidity | GB/T 3280 |
| Dyeing Tanks/Pipes | 316L/904L | 0–6.0mm | 2B/Pickling | Sulfuric acid/sodium thiocyanate + high temperature + Cl⁻ | GB/T 3280; ASTM A240 |
| Spinning Box/Metering Pumps | 316L | Forged parts/plates 5–30mm | Final Surface/Coil Polishing | Polymer degradation at high temperature + corrosion | GB/T 3280; GB/T 1220 |
| Needle Mesh/Wet Fabric | 304/316L | 0–3.0 mm | 2B/Piercing | High-pressure water washing + fiber abrasion + corrosion | GB/T 3280 |
Material SelectionView Operating ConditionsMaterial Selection
Consider Application Specifics
- What grades are most commonly used in this industry? (316L, 304, 321)
- Common corrosion sources: pitting corrosion and crevice corrosion (5/7 cases).
- Welded components require monitoring for sensitization and chloride-induced stress corrosion cracking (3/7 cases).
- Thickness range 1–400 mm: thin plates are often formed parts (consider bending springback and deep drawing cracks), thick plates are often welded structures (consider heat input and sensitization).
Common Issues
Which type of stainless steel is most used in textiles?
Based on the total of these 7 components, the most common grade is 316L (7 cases), followed by 304 (3 cases) and 321 (1 case). The specific part determination depends on the medium and temperature; for example, stainless steel working surfaces that contact salt water should be changed from 304 to 316L.
Which component type is most prone to problems?
Failure description, typically "J-Type High-Temperature High-Speed Dyeing Machine Cylinder": chloride stress cracking: the dye contains Cl⁻, far exceeding the critical temperature for austenitic stress cracking of approximately 60°C at 140°C; cracks initiate from weld zones/rolls/heat-affected zones; recommended grades 316L/304/321, wall thickness approx. 4mm. These conditions indicate the need to determine medium concentration, temperature, and cleaning method during the design phase.
What thickness should I choose?
The thickness range in the list is 1–400 mm. For thin plates, consider bending and surface finish; for thick plates, consider welding and structural strength. Values may vary by equipment manufacturer for the same location. Re-verify from drawings or operating conditions.
Related Materials and Adjacent Industries
Applications7
Thickness1–400mm
Grades400/316L