China Factory Suppliers of ASME ASTM 304 304L 316 Stainless Steel Angle Bars - Various Sizes Available
Stainless steel angle bars are L-sectioned stainless steel profiles, classified into equal-sided and unequal-sided variants, with mainstream grades including 201, 304, and corrosion-resistant 316L. Customizable surface treatments (pickling, 2B cold rolling, wire drawing) enable them to balance structural rigidity and visual appeal, positioning them as core load-bearing and framing components across diverse industries.
- Corrosion Resistance: 304-grade bars handle routine humid environments, while 316L grades resist acid-alkali corrosion.
- High Strength: High tensile strength and bending toughness to bear heavy loads without deformation.
- Easy Fabrication: Ease of cutting and welding supports tailored assembly for complex structures.
- Aesthetic Finishes: Surface finishes merge utility with aesthetics for visible applications.
- Long Service Life: Service life vastly outperforms carbon steel angle bars.
Prior to installation, degreasing and rust removal pre-treatment is mandatory. Assembly methods (welding, bolting, riveting) are scenario-dependent: bolting is preferred for highly corrosive chemical settings to avoid weld corrosion, reinforcing shims are added to heavy-load zones, and post-welding passivation ensures joint strength and corrosion resistance.
During use, avoid direct carbon steel contact to prevent galvanic corrosion, reserve thermal expansion joints for outdoor setups, and opt for 316L grade with anti-corrosion coatings in strong acid conditions. Daily maintenance is straightforward: wipe with neutral detergent, treat rust spots with specialized removers followed by passivation, inspect connections regularly, and store in moisture-proof, ventilated spaces to avoid deformation.
| Specifications | Unit Weight (kg/m) | Specifications | Unit Weight (kg/m) | Specifications | Unit Weight (kg/m) |
|---|---|---|---|---|---|
| 20*20*3 | 0.89 | 63*63*8 | 7.47 | 110*110*7 | 11.9 |
| 20*20*4 | 1.15 | 63*63*10 | 9.15 | 110*110*8 | 13.5 |
| 25*25*3 | 1.12 | 70*70*4 | 4.37 | 110*110*10 | 16.7 |
| 25*25*4 | 1.46 | 70*70*5 | 5.4 | 110*110*12 | 19.8 |
| 30*30*3 | 1.37 | 70*70*6 | 6.41 | 110*110*14 | 22.8 |
| 30*30*4 | 1.79 | 70*70*7 | 7.4 | 125*125*8 | 15.5 |
| 36*36*3 | 1.66 | 70*70*8 | 8.37 | 125*125*10 | 19.1 |
| 36*36*4 | 2.16 | 75*75*5 | 5.82 | 125*125*12 | 22.7 |
| 36*36*5 | 2.65 | 75*75*6 | 6.91 | 125*125*14 | 26.2 |
| 40*40*3 | 1.85 | 75*75*7 | 7.98 | 125*125*16 | 29.6 |
| 40*40*4 | 2.42 | 75*75*8 | 9.03 | 140*140*10 | 21.5 |
| 40*40*5 | 2.98 | 75*75*9 | 10.1 | 140*140*12 | 25.5 |
| 45*45*3 | 2.09 | 75*75*10 | 11.1 | 140*140*14 | 29.5 |
| 45*45*4 | 2.74 | 80*80*5 | 6.21 | 140*140*16 | 33.4 |
| 45*45*5 | 3.37 | 80*80*6 | 7.38 | 150*150*8 | 18.6 |
| 45*45*6 | 3.99 | 80*80*7 | 8.53 | 150*150*10 | 23.1 |
| 50*50*3 | 2.33 | 80*80*8 | 9.66 | 150*150*12 | 27.4 |
| 50*50*4 | 3.06 | 80*80*9 | 10.8 | 150*150*14 | 31.7 |
| 50*50*5 | 3.77 | 80*80*10 | 11.9 | 150*150*15 | 33.8 |
| 50*50*6 | 4.46 | 90*90*6 | 8.35 | 150*150*16 | 35.9 |
| 56*56*3 | 2.62 | 90*90*7 | 9.66 | 160*160*10 | 24.7 |
| 56*56*4 | 3.45 | 90*90*8 | 10.9 | 160*160*12 | 29.4 |
| 56*56*5 | 4.25 | 90*90*9 | 12.2 | 160*160*14 | 34 |
| 56*56*6 | 5.04 | 90*90*10 | 13.5 | 160*160*16 | 38.5 |
| 56*56*7 | 5.81 | 90*90*12 | 15.9 | 180*180*12 | 33.2 |
| 56*56*8 | 6.57 | 100*100*6 | 9.37 | 180*180*14 | 38.4 |
| 60*60*5 | 4.58 | 100*100*7 | 10.8 | 180*180*16 | 43.5 |
| 60*60*6 | 5.43 | 100*100*8 | 12.3 | 180*180*18 | 48.6 |
| 60*60*7 | 6.26 | 100*100*9 | 13.7 | 200*200*14 | 42.9 |
| 60*60*8 | 7.08 | 100*100*10 | 15.1 | 200*200*16 | 48.7 |
| 63*63*4 | 3.91 | 100*100*12 | 17.9 | 200*200*18 | 54.4 |
| 63*63*5 | 4.82 | 100*100*14 | 20.6 | 200*200*20 | 60.3 |
