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Common Grades Comparison Of Stainless Steel Pipe
Posted: September 23, 2026
Categories: New Products
Common Grades Comparison：
| Grade | Material Series | Corrosion Resistance | Heat Resistance | Mechanical Strength | Weldability | Main Application | Common Application Scenarios | Price Level |
|---|---|---|---|---|---|---|---|---|
| 201 | Austenitic stainless steel | Fair | Low | Medium | Good | Decoration, handrail, furniture, low-cost pipeline | Decoration & low-cost pipe, indoor decorative parts | Lowest |
| 304 | Austenitic stainless steel | Good | Medium | Medium | Excellent | Universal general purpose, water pipe, food industry, household, construction | General use, water pipe, food & household & construction | Medium |
| 316L | Austenitic stainless steel | Excellent | High | Medium | Excellent | Marine, chemical industry, seawater, acid & alkali environment, medical equipment | Marine, chemical, acid-alkali environment, medical equipment | High |
| 321 | Heat-resistant stainless steel | Good | Ultra-high | High | Good | High temperature pipeline, exhaust pipe, boiler | High-temperature pipeline, exhaust pipe, boiler | High |
Brief Performance Ranking:
Corrosion Resistance (Best → Worst)316L > 321 > 304 > 430 > 201
High Temperature Resistance (Best → Worst)321 > 316L > 304 > 430 > 201
Weldability (Best → Worst)304 ≈ 316L > 321 > 201 > 430
Price from Low to High201 < 430 < 304 < 321 < 316L
