C42 · Recycling
316L/S21800 Stainless Steel Plates for Waste Resource Utilization Industry: Selection and 3 Item Lists
In the waste resource utilization industry, we have organized three stainless steel parts: commonly used 316L / S21800 / 904L, with thickness ranging from 3–50 mm.
Three Parts and Material Lists
| Part / Component | Recommended Grade | Specifications / Thickness | Surface | Main failure modes | Reference standards |
|---|---|---|---|---|---|
| Crusher screens and liners for scrap steel/alloys | S21800/Dual-phase steel/Manganese steel | 10–40mm | Cast/Forged/Glazed | High impact wear + corrosion | ASTM A276；GB/T 3280 |
| Waste batteries/E-waste leaching tanks/pipes | 316L/904L/254SMO | 3–12mm | 2B/Acid washing | Acid/base leaching + heavy metals + Cl⁻ | ASTM A240；GB/T 3280 |
| Grate for incinerators/furnace flue gas pipes | 310S/Heat-resistant castings/316L | 10–50mm | Cast surface/2B | High temperature + chloride corrosion + wear | GB/T 8492；GB/T 3280 |
Table showsStandard configurations.Same part may require different grades (e.g., 304 to 316L or 2205) depending on media, temperature, and welding method.
Material Selection Tips
- Top 3 Grades: 316L (2), S21800 (1), 904L (1) —— Parentheses indicate the number of affected areas, useful for quoting and material preparation.
- Corrosion Sources: Chloride and salt are common corrosion sources (pitting, crevice corrosion) (2/3 hits).
- Wear Parts: Hardness considerations beyond just corrosion resistance (2/3 hits).
- Thickness Range: 3–50 mm —— Thin plates often formed parts (bend back and deep drawing), thick plates often welded structures (heat input and sensitization).
Common Issues
Which stainless steel is used most in scrap recycling industries?
Based on the total number of occurrences, 316L (2), S21800 (1), and 904L (1) are the top grades. Specific parts still depend on the medium and temperature, such as stainless countertops that need to switch from 304 to 316L when exposed to saltwater.
Most problematic areas?
Based on failure descriptions, typical issues include "spent batteries/ electronic waste extraction tanks/pipes": acid/base leaching + heavy metals + Cl⁻; recommended grades 316L/904L/254SMO, size 3–12mm. For these conditions, it's recommended to specify the medium concentration, temperature, and cleaning method in the design phase.
What thickness is generally needed?
The listed thickness range is 3–50 mm. Thin plates consider forming and surface quality, thick plates consider welding strength; different manufacturers may have different values for the same part based on your drawings or operating conditions.
Related Materials and Adjacent Industries
Applications3
Thickness3–50mm