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China Asme Astm 304 304l Stainless Steel Angle Bars Sizes 1 and 4 1 5mm 25mm 316 Stainless Steel Angle Bars Supplier, Factories

Stainless steel angle bars are commonly used industrial angle profiles with equal or unequal sides. Mainstream grades include 201, 304, and the highly corrosion-resistant 316L. Surface treatments include pickling, 2B, and brushing. Thickness ranges from 3mm to 20mm, leg width from 10mm to 200mm, and standard length is 6m, with customization also available. Suitable for building supports, machinery frames, municipal railings, and other applications, they combine structural strength and weather resistance, making them essential components in multiple fields.

Product Description

Stainless Steel Angle Details

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.

Excellent corrosion resistance (316L handles acid-alkali).
High tensile strength and bending toughness.
Ease of cutting, welding, and tailored assembly.
Durable service life outperforms carbon steel.

These bars serve broad applications: in construction, they act as curtain wall keels and railing supports; in machinery manufacturing, they form equipment frames and transmission component substrates; in the chemical sector, they fabricate pipeline supports and tank reinforcement; in municipal engineering, they fit street light bases and manhole cover frames.

Stainless steel angle bars

Prior to installation, degreasing and rust removal pre-treatment is mandatory. Assembly methods like welding, bolting, or riveting are scenario-dependent. Bolting is preferred for highly corrosive chemical settings to avoid weld corrosion, while post-welding passivation ensures joint strength.

During use, avoid direct carbon steel contact to prevent galvanic corrosion. Daily maintenance is straightforward: wipe with neutral detergent and store in moisture-proof, ventilated spaces to avoid deformation.

Product Parameters

Specifications Unit Weight (kg/m) Specifications Unit Weight (kg/m) Specifications Unit Weight (kg/m)
KG KG KG
20*20*30.8963*63*87.47110*110*711.9
20*20*41.1563*63*109.15110*110*813.5
25*25*31.1270*70*44.37110*110*1016.7
25*25*41.4670*70*55.4110*110*1219.8
30*30*31.3770*70*66.41110*110*1422.8
30*30*41.7970*70*77.4125*125*815.5
36*36*31.6670*70*88.37125*125*1019.1
36*36*42.1675*75*55.82125*125*1222.7
36*36*52.6575*75*66.91125*125*1426.2
40*40*31.8575*75*77.98125*125*1629.6
40*40*42.4275*75*89.03140*140*1021.5
40*40*52.9875*75*910.1140*140*1225.5
45*45*32.0975*75*1011.1140*140*1429.5
45*45*42.7480*80*56.21140*140*1633.4
45*45*53.3780*80*67.38150*150*818.6
45*45*63.9980*80*78.53150*150*1023.1
50*50*32.3380*80*89.66150*150*1227.4
50*50*43.0680*80*910.8150*150*1431.7
50*50*53.7780*80*1011.9150*150*1533.8
50*50*64.4690*90*68.35150*150*1635.9
56*56*32.6290*90*79.66160*160*1024.7
56*56*43.4590*90*810.9160*160*1229.4
56*56*54.2590*90*912.2160*160*1434
56*56*65.0490*90*1013.5160*160*1638.5
56*56*75.8190*90*1215.9180*180*1233.2
56*56*86.57100*100*69.37180*180*1438.4
60*60*54.58100*100*710.8180*180*1643.5
60*60*65.43100*100*812.3180*180*1848.6
60*60*76.26100*100*913.7200*200*1442.9
60*60*87.08100*100*1015.1200*200*1648.7
63*63*43.91100*100*1217.9200*200*1854.4
63*63*54.82100*100*1420.6200*200*2060.3

Packing And Shipping

Stainless steel angle packing
Stainless steel shipping

Frequently Asked Questions

What are the common grades for stainless steel angle bars?
The mainstream grades include 201, 304, and 316L. Grade 304 is ideal for humid environments, while 316L offers superior resistance to acid and alkali corrosion.
What surface treatments can be applied to these profiles?
We offer various customizable surface treatments such as pickling, 2B cold rolling, and wire drawing to meet both structural and aesthetic requirements.
In which industries are stainless steel angles most used?
They are widely used in construction (curtain walls, railings), machinery manufacturing (equipment frames), the chemical sector (pipeline supports), and municipal engineering.
How should I maintain stainless steel angle bars?
Regularly wipe the surface with a neutral detergent. If rust spots appear, use specialized removers followed by passivation. Always store in moisture-proof and ventilated areas.
What is the difference between equal and unequal sided angles?
Equal-sided angles have two legs of the same length, forming a symmetrical 'L' shape, while unequal-sided angles have legs of different lengths for specific load-bearing designs.
How do I prevent galvanic corrosion during installation?
To prevent galvanic corrosion, avoid direct contact between stainless steel and carbon steel. Use insulation gaskets or coatings where these two materials might meet.

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