SS Square Bar Grade 304 Square Hollow Bar Stainless Steel Square Pipe SS Square Tube
Product Description:
ASTM / ASME Specification | ASTM A554 / ASME SA554 |
SS Grades | 202, 304, 304L, 304H, 316 / 316L, 316H, 316Ti, 321 / 321H, 310S, 409, 409L, Duplex & Super Duplex |
Specialized grades | T304, T316 & Grade T430 |
Standard Size | 20*20mm-400*400mm |
Wall Thickness | 0.5mm - 25mm |
Manufacturing techniques | Seamless / ERW / Welded / Fabricated / CDW / EFW |
Length | Up to 6 meters or custom length |
Finish & Polish | 2B, No.1 Pickled, No.4, BA, No.8 Mirror Finish, Electro-polished SS Square Pipe Manufacturer and Supplier |
Pipe End | Plain End, Beveled End, square cut |
Condition | Annealed and Pickled, Bright Annealed, Polished |
Quality | accept the thired party inspection SGS or others as customer requested |
Stainless steel flat bar is one profile that easily machined,stamped and welded, with strength, corrosion resistance and a finish that is easily cleaned.
Chemical Composition:
Grade | C | Si | Mn | P | S | Ni | Cr | Mo |
201 | ≤0 .15 | ≤0 .75 | 5. 5-7. 5 | ≤0.06 | ≤ 0.03 | 3.5 -5.5 | 16 .0 -18.0 | - |
202 | ≤0 .15 | ≤l.0 | 7.5-10.0 | ≤0.06 | ≤ 0.03 | 4.0-6.0 | 17.0-19.0 | - |
301 | ≤0 .15 | ≤l.0 | ≤2.0 | ≤0.045 | ≤ 0.03 | 6.0-8.0 | 16.0-18.0 | - |
302 | ≤0 .15 | ≤1.0 | ≤2.0 | ≤0.035 | ≤ 0.03 | 8.0-10.0 | 17.0-19.0 | - |
304 | ≤0 .0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤ 0.03 | 8.0-10.5 | 18.0-20.0 | - |
304L | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.035 | ≤ 0.03 | 9.0-13.0 | 18.0-20.0 | - |
309S | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤ 0.03 | 12.0-15.0 | 22.0-24.0 | - |
310S | ≤0.08 | ≤1.5 | ≤2.0 | ≤0.035 | ≤ 0.03 | 19.0-22.0 | 24.0-26.0 | |
316 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤ 0.03 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 |
316L | ≤0 .03 | ≤1.0 | ≤2.0 | ≤0.045 | ≤ 0.03 | 12.0 - 15.0 | 16 .0 -1 8.0 | 2.0 -3.0 |
321 | ≤ 0 .08 | ≤1.0 | ≤2.0 | ≤0.035 | ≤ 0.03 | 9.0 - 13 .0 | 17.0 -1 9.0 | - |
630 | ≤ 0 .07 | ≤1.0 | ≤1.0 | ≤0.035 | ≤ 0.03 | 3.0-5.0 | 15.5-17.5 | - |
631 | ≤0.09 | ≤1.0 | ≤1.0 | ≤0.030 | ≤0.035 | 6.50-7.75 | 16.0-18.0 | - |
904L | ≤ 2 .0 | ≤0.045 | ≤1.0 | ≤0.035 | - | 23.0·28.0 | 19.0-23.0 | 4.0-5.0 |
2205 | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.030 | ≤0.02 | 4.5-6.5 | 22.0-23.0 | 3.0-3.5 |
2507 | ≤0.03 | ≤0.8 | ≤1.2 | ≤0.035 | ≤0.02 | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 |
2520 | ≤0.08 | ≤1.5 | ≤2.0 | ≤0.045 | ≤ 0.03 | 0.19 -0. 22 | 0. 24 -0 . 26 | - |
410 | ≤0.15 | ≤1.0 | ≤1.0 | ≤0.035 | ≤ 0.03 | - | 11.5-13.5 | - |
430 | ≤0.1 2 | ≤0.75 | ≤1.0 | ≤ 0.040 | ≤ 0.03 | ≤0.60 | 16.0 -18.0 | - |
There are two kinds of the flat bars, one is the True mill flat bar another is Sheared flat bar,The difference between a true mill flat bar and sheared or flat bar cut from the plate is dimensional tolerance. In the true flat bar, tolerances for width and thickness are restrictive and have the better finish. In cutting bar from the plate, the diametrical tolerance will be more generous and in line with the cutting method.
Stainless Steel Square Hollow Section sizes:
Size (mm) | Thick ness (mm) | Kg / Metre | Size (mm) | Thick ness (mm) | Kg / Metre | Size (mm) | Thick ness (mm) | Kg / Metre | Size (mm) | Thick ness (mm) | Kg / Metre | Size (mm) | Thick ness (mm) | Kg / Metre | Size (mm) | Thick ness (mm) | Kg / Metre |
20 X 20 | 2 | 1.11 | 60 X 60 | 3 | 5.34 | 80 X 80 | 8 | 17.83 | 120 X 120 | 5 | 18.00 | 160 X 160 | 10 | 46.88 | 250 X 250 | 16 | 111.48 |
25 X 25 | 2 | 1.43 | 60 X 60 | 3.2 | 5.67 | 80 X 80 | 10 | 21.88 | 120 X 120 | 6 | 21.30 | 180 X 180 | 5 | 27.97 | 300 X 300 | 6 | 55.30 |
25 X 25 | 2.5 | 1.74 | 60 X 60 | 3.6 | 6.34 | 90 X 90 | 3 | 8.16 | 120 X 120 | 6.3 | 22.30 | 180 X 180 | 6 | 33.26 | 300 X 300 | 8 | 74.18 |
25 X 25 | 3 | 2.04 | 60 X 60 | 4 | 6.97 | 90 X 90 | 3.5 | 9.45 | 120 X 120 | 8 | 27.90 | 180 X 180 | 8 | 43.00 | 300 X 300 | 10 | 90.70 |
30 X 30 | 2 | 1.74 | 60 X 60 | 5 | 8.54 | 90 X 90 | 3.6 | 9.72 | 120 X 120 | 10 | 34.13 | 180 X 180 | 10 | 53.00 | 300 X 300 | 12 | 108.68 |
30 X 30 | 2.5 | 2.14 | 70 X 70 | 2.5 | 5.28 | 90 X 90 | 4 | 10.70 | 120 X 120 | 12 | 39.94 | 180 X 180 | 12 | 61.01 | 300 X 300 | 12.5 | 112.00 |
30 X 30 | 3 | 2.51 | 70 X 70 | 3 | 6.28 | 90 X 90 | 5 | 13.30 | 120 X 120 | 16 | 54.64 | 180 X 180 | 12.5 | 65.20 | 300 X 300 | 16 | 141.84 |
30 X 30 | 3.2 | 2.65 | 70 X 70 | 3.5 | 7.25 | 90 X 90 | 6 | 15.70 | 140 X 140 | 6 | 25.97 | 180 X 180 | 16 | 81.30 | 350 X 350 | 10 | 105.93 |
40 X 40 | 2 | 2.37 | 70 X 70 | 3.6 | 7.46 | 90 X 90 | 6.3 | 16.40 | 140 X 140 | 8 | 32.89 | 200 X 200 | 5 | 31.18 | 350 X 350 | 12 | 126.74 |
40 X 40 | 2.5 | 2.92 | 70 X 70 | 4 | 8.23 | 90 X 90 | 8 | 20.32 | 140 X 140 | 10 | 41.15 | 200 X 200 | 6 | 37.09 | 350 X 350 | 16 | 166.94 |
40 X 40 | 3 | 3.45 | 70 X 70 | 5 | 10.10 | 90 X 90 | 10 | 25.53 | 150 X 150 | 4 | 18.30 | 200 X 200 | 8 | 48.00 | 400 X 400 | 8 | 97.56 |
40 X 40 | 4 | 4.46 | 70 X 70 | 8 | 15.29 | 100 X 100 | 3 | 9.10 | 150 X 150 | 5 | 22.70 | 200 X 200 | 10 | 59.30 | 400 X 400 | 10 | 121.95 |
40 X 40 | 5 | 5.40 | 70 X 70 | 10 | 19.13 | 100 X 100 | 4 | 12.00 | 150 X 150 | 6 | 27.00 | 200 X 200 | 12 | 68.84 | 400 X 400 | 12 | 151.97 |
50 X 50 | 2 | 3.00 | 80 X 80 | 3 | 7.22 | 100 X 100 | 5 | 14.80 | 150 X 150 | 6.3 | 28.30 | 200 X 200 | 12.5 | 73.00 | 400 X 400 | 16 | 191.94 |
50 X 50 | 2.5 | 3.71 | 80 X 80 | 3.5 | 8.35 | 100 X 100 | 6 | 17.60 | 150 X 150 | 8 | 35.40 | 200 X 200 | 16 | 90.91 | |||
50 X 50 | 3 | 4.39 | 80 X 80 | 3.6 | 8.59 | 100 X 100 | 6.3 | 18.40 | 150 X 150 | 10 | 43.47 | 250 X 250 | 6 | 46.83 | |||
50 X 50 | 4 | 5.72 | 80 X 80 | 4 | 9.48 | 100 X 100 | 8 | 22.90 | 150 X 150 | 12 | 53.48 | 250 X 250 | 8 | 60.50 | |||
50 X 50 | 5 | 6.97 | 80 X 80 | 5 | 11.70 | 100 X 100 | 10 | 27.86 | 150 X 150 | 16 | 65.05 | 250 X 250 | 10 | 75.00 | |||
50 X 50 | 6 | 8.20 | 80 X 80 | 6 | 13.80 | 100 X 100 | 12 | 33.44 | 160 X 160 | 6 | 27.39 | 250 X 250 | 12 | 88.45 | |||
50 X 50 | 8 | 10.50 | 80 X 80 | 6.3 | 14.40 | 120 X 120 | 4 | 14.50 | 160 X 160 | 8 | 36.90 | 250 X 250 | 12.5 | 92.70 |
FAQ:
Q1. What are your company's main products ?
A1: Our main products are stainless steel plate/sheet, coil, round/square pipe, bar, channel, etc.
Q2. How do you control quality ?
A2: Mill Test Certification is supplied with shipment, Third Party Inspection is available. and we also get ISO,SGS,Alibaba Verified.
Q3: What is the terms of packing?
A3: generally, we pack our goods in bundles or coils with rods or belts, we could also pack the goods as the customers requirement.
Q4:What is your delivery time?
A4: For stocks, we could transport the goods to loading port within 7 days after we received your deposit
For production period, it usually takes about 15 days-30 days after receiving the deposit.
Q5. What are the advantages of your company ?
A35: We have many professionals, technical personnel, more competitive prices and best after-dales service than other stainless steel companies.
Q6. How many coutries you already exported ?
A6: Exported to more than 50 countries mainly from America, Russia, UK, Kuwait, Egypt, Turkey, Jordan,India, etc.
Q7. Can you provide sample ?
A7: We can provide the samll samples in stock for free, as long as you contact us.
Customized samples will take about 5-7days.