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Stainless Steel that generates the best solutions!

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With a portfolio manufactured in the best steel mills, the Açotubo Group also has a wide range of products made of stainless steel, such as:

- Sheets
- Coils
- Tapes and Blanks
- Pipes
- Bars
- Angles

And to meet your needs, we have state-of-the-art machinery, composed of:

- Sander
- Blanking Machine
- Slitter
- Band saw

Informações técnicas

Stainless Chemical Composition (% by weight).

 

ASTM/AISI
 C Mn Si P S Cr Ni Mo N Others Applications
Austenitic
201* 0,15 8,00-10,00 1,00 0,060 0,030 14,0 a 16,0 1,00 a 2,00 – – CU-0,80 a 0,90 Structural and Handrail
304 0,07 2,00 0,75 0,045 0,015 17,5 a 19,5 8,0 a 10,5 – 0,10 – Equipment for the aeronautic, railway, naval, petrochemical, pulp and paper, textile, refrigeration, hospital, food, dairy, pharmaceutical, cosmetic, chemical industries; household appliances, cryogenic installations, distilleries, photographs, pipes and tanks in general, general, deep and precision stamping.
304L 0,03 2,00 0,75 0,045 0,015 17,5 a 19,5 8,0 a 10,5 – 0,10 Equipment for the aeronautical, railway, naval, petrochemical, pulp and paper, textile, refrigeration, hospital, food, dairy, pharmaceutical, cosmetic, chemical industries; household appliances, cryogenic installations, distilleries, photography, pipes and tanks in general, general and deep stamping.
310S/H 0,035 a 0,08 2,00 1,50 0,045 0,015 24,0 a 26,0 19,0 a 22,0 – – – Heat treatment industry for furnace parts, such as refractory support, burner parts, conveyor belts, furnace lining, fans, pipe hooks, etc. In the food industry, they are used in contact with heated citric acid and acetic acid.
316L 0,03 2,00 0,75 0,045 0,015 16,5 a 18,0 10,0 a 13,0 2,0 a 2,5 0,10 Civil construction and architecture; equipment for the aeronautical, railway, naval, chemical and petrochemical, pharmaceutical, cosmetic, textile, rubber, paint, dairy products, hospital industries; mining and steelworks; refrigeration, refineries, pipe and pressure vessel manufacturing, alcohol distilleries, ethanol distilleries, and boiler-making.
Ferritics
409 0,03 1,00 1,00 0,040 0,015 10,5 a 11,7 0,50 – 0,030 6(C+N) < Ti < 0,50
Nb = 0,17 máx.		 Gas exhaust systems in explosion engines and stamping in general, as well as capacitor boxes.
410 0,03 1,50 1,00 0,040 0,015 10,5 a 12,5 1,00 – 0,030 – Transportation: railway cars, wagons, buses; sugar and alcohol mills: bagasse collectors, side of feeding tables, floor and side of intermediate tables, cane drivers, Shut Donelly, diffusers, juice collectors; buildings, urban furniture, bridge beams, etc.
430 0,08 1,00 1,00 0,040 0,015 16,0 a 18,0 0,75 – – – Civil construction and architecture; household utensils (tableware, sinks and cutlery), electrical appliances (stoves, refrigerators, microwave ovens, and washing machines), coin minting, refrigerated counters, and stamping in general.
439 0,03 1,00 1,00 0,040 0,015 17,0 a 19,0 0,50 – 0,030 0,20 + 4 (C+N) < Ti + Nb < 0,75
Al = 0,15 Al máx.		 Civil construction and architecture; sugar mills, exhaust systems (silent pipes), household appliances (washing machines, stoves, microwave ovens), and general stamping.
441 0,03 1,00 1,00 0,040 0,015 17,5 a 18,5 0,50 – 0,030 3C + 0,30 < Nb < 1,00 Ti= 0,10 a 0,60 Exhaust system (pipes and planes, stamping – catalyst body, muffler, etc).
444 0,025 1,00 1,00 0,040 0,030 17,5 a 18,5 1,00 1,75 a 2,50 0,035 0,20 + 4(C+N) < Ti + Nb < 0,80 Civil construction and architecture; sugar mills, water tanks, residential water heaters, chemical and petrochemical industry applications.
MARTENSITICS
420 0,15 mín. 1,00 1,00 0,040 0,030 12,0 a 14,0 0,75 0,50 – – Cutlery, measuring, hospital, dental, and surgical instruments; mining and steel mill areas, in addition to cutting blades and brake discs, knives, blades and chains for bottle-washing machines.

Stainless Steel Bars.

 

Gauge Weight – Kg/m
Inch mm Round Hexagonal Square
1/8″ 3,17 0,062 0,068 0,079
5/32″ 3,97 0,098 – –
3/16″ 4,76 0,140 0,154 0,179
1/4″ 6,35 0,250 0,274 0,319
9/32″ 7,14 0,316 – –
5/16″ 7,93 0,390 0,428 0,497
3/8″ 9,53 0,563 0,618 0,717
7/16″ 11,11 0,765 – –
1/2″ 12,70 1,000 1,097 1,274
9/16″ 14,28 1,264 – –
5/8″ 15,87 1,562 1,713 1,990
11/16″ 17,46 1,890 – –
3/4″ 19,05 2,250 2,468 2,867
13/16” 20,63 2,639 – –
7/8″ 22,22 3,061 3,357 3,90
15/16″ 23,81 3,515 – –
1″ 25,40 4,000 4,387 5,097
1.1/8″ 28,57 5,061 5,550 6,448
1.3/16″ 30,16 5,640 – –
1.1/4″ 31,75 6,250 6,855 7,964
1.5/16″ 33,34 6,892 – –
1.3/8″ 34,92 7,560 8,292 9,633
1.7/16” 36,51 8,264 – –
1.1/2″ 38,10 9,000 9,871 11,468
1.5/8″ 41,27 10,560 – –
1.3/4″ 44,45 12,250 13,435 15,609
1.7/8″ 47,62 14,060 15,420 17,915
2″ 50,80 16,000 17,548 20,387
2.1/8″ 53,97 18,050 – –
2.3/16″ 55,56 19,130 – –
2.1/4″ 57,15 20,250 22,210 25,802
2.5/16″ 58,73 21,380 – –
2.3/8″ 60,33 22,560 – –
2.7/16″ 61,91 23,760 – –
2.1/2″ 63,50 25,000 27,419 31,855
2.5/8″ 66,68 27,560 – –
2.3/4″ 69,85 30,250 – –
2.7/8″ 73,03 33,060 – –
3″ 76,20 36,000 39,484 45,871
3.1/8″ 79,30 38,960 – –
3.1/4″ 82,55 42,250 – –

 

Gauge Weight – Kg/m
Inch mm Round Hexagonal Square
3.3/8″ 85,73 45,560 – –
3.1/2″ 88,90 49,000 53,742 62,435
3.5/8″ 92,08 52,560 – –
3.3/4″ 95,25 56,250 – –
3.7/8″ 98,43 60,060 – –
4″ 101,60 64,00 70,193 81,548
4.1/8″ 104,78 68,069 – –
4.1/4″ 107,95 72,250 – –
4.3/8″ 11.113 76,569 – –
4.1/2″ 114,30 81,00 – –
4.5/8″ 117,48 85,570 – –
4.3/4″ 120,65 90,250 – –
4.7/8″ 123,83 95,070 – –
5″ 127,00 100,000 – –
5.1/4″ 133,36 110,266 – –
5.1/2″ 139,71 121,017 – –
5.3/4″ 146,06 132,268 – –
6″ 152,40 144,00 – –
6.1/4″ 158,76 156,269 – –
6.1/2″ 165,11 169,020 – –
6.3/4″ 171,46 182,271 – –
7″ 177,81 196,022 – –
7.1/4″ 184,16 210,272 – –
7.1/2″ 190,51 225,023 – –
7.3/4″ 196,85 240,250 – –
8″ 203,20 255,999 – –
8.1/4″ 209,55 272,249 – –
8.1/2″ 215,90 288,999 – –
8.3/4″ 222,25 306,249 – –
9″ 228,60 323,999 – –
9.1/4″ 234,95 342,249 – –
9.1/2″ 241,30 360,999 – –
9.3/4″ 247,65 380,249 – –
10″ 254,00 399,999 – –
10.1/2″ 266,70 440,999 – –
11″ 279,40 483,999 – –
11.1/2″ 292,70 531,174 – –
12″ 304,80 575,999 – –
14” 355,6 783,99
16” 406,4 1023,99

 


Stainless steel angle.

 

 

Gauge mm Weight – Kg/m
3/4″ 1/8″ 19,05 3,17 0,886
3/4″ 3/16″ 19,05 4,76 1,270
1″ 1/8″ 25,40 3,17 1,208
1″ 3/16″ 25,40 4,76 1,753
1″ 1/4″ 25,40 6,35 2,258
1.1/4″ 1/8″ 31,75 3,17 1,530
1.1/4″ 3/16″ 31,75 4,76 2,237
1.1/4″ 1/4″ 31,75 6,35 2,903
1.1/2″ 1/8″ 38,10 3,17 1,852
1.1/2″ 3/16″ 38,10 4,76 2,720
1.1/2″ 1/4″ 38,10 6,35 3,540
2″ 1/8″ 50,80 3,17 2,490
2″ 3/16″ 50,80 4,76 3,680
2″ 1/4″ 50,80 6,35 4,840
2″ 5/16″ 50,80 7,93 5,940
2″ 3/8″ 50,80 9,53 7,010
2” 1/2” 50,80 12,70 8,970
2.1/2″ 3/16″ 63,50 4,76 4,650
2.1/2″ 1/4″ 63,50 6,35 6,129
2.1/2″ 5/16″ 63,50 7,93 7,554
2.1/2″ 3/8″ 63,50 9,53 8,956
2.1/2” 1/2” 63,50 12,70 11,460
3″ 3/16″ 76,20 4,76 5,622
3″ 1/4″ 76,20 6,35 7,419
3″ 5/16″ 76,20 7,93 9,165
3″ 3/8″ 76,20 9,53 10,892
3” 1/2” 76,20 12,70 13,930
4″ 1/4″ 101,60 6,35 10,000
4” 3/8” 101,60 9,53 14,765
4” 1/2” 101,60 12,70 18,970

Stainless Steel Flat Bars (Rectangular).

 

Thickness 1/8″ 3/16″ 1/4″ 5/16″ 3/8″ 1/2″ 5/8″ 3/4″ 1″
Gauge Weight mm Weight mm Weight mm Weight mm Weight mm Weight mm Weight mm Weight mm Weight mm
1/2″ 0,318 12,70 0,478 12,70 0,637 12,70 0,796 12,70 – – – – – – – – – –
5/8″ 0,397 15,87 0,597 15,87 0,796 15,87 0,994 15,87 1,195 15,87 – – – – – – – –
3/4″ 0,477 19,05 0,716 19,05 0,956 19,05 1,193 19,05 1,434 19,05 1,911 19,05 – – – – – –
7/8″ 0,556 22,22 0,836 22,22 1,115 22,22 1,392 22,22 1,673 22,22 2,229 22,22 – – – – – –
1″ 0,636 25,40 0,955 25,40 1,274 25,40 1,591 25,40 1,912 25,40 2,548 25,40 3,184 25,40 3,823 25,40 – –
1.1/4″ 0,795 31,75 1,194 31,75 1,593 31,75 1,989 31,75 2,390 31,75 3,185 31,75 3,981 31,75 4,778 31,75 6,371 31,75
1.1/2″ 0,954 38,10 1,433 38,10 1,911 38,10 2,387 38,10 2,868 38,10 3,823 38,10 4,777 38,10 5,734 38,10 7,645 38,10
1.3/4″ 1,113 44,45 1,671 44,45 2,230 44,45 2,785 44,45 3,347 44,45 4,460 44,45 5,573 44,45 6,690 44,45 8,919 44,45
2″ 1,272 50,80 1,910 50,80 2,548 50,80 3,182 50,80 3,825 50,80 5,097 50,80 6,369 50,80 7,645 50,80 10,194 50,80
2.1/4″ 1,431 57,15 2,149 57,15 2,867 57,15 3,580 57,15 4,303 57,15 5,734 57,15 7,165 57,15 8,601 57,15 11,468 57,15
2.1/2″ 1,590 63,50 2,388 63,50 3,185 63,50 3,978 63,50 4,781 63,50 6,371 63,50 7,961 63,50 9,556 63,50 12,742 63,50
2.3/4″ 1,749 69,85 2,627 69,85 3,504 69,85 4,376 69,85 5,259 69,85 7,008 69,85 8,757 69,85 10,512 69,85 14,016 69,85
3″ 1,908 76,20 2,865 76,20 3,823 76,20 4,774 76,20 5,737 76,20 7,645 76,20 9,553 76,20 11,468 76,20 15,290 76,20
3.1/4″ 2,067 82,55 3,104 82,55 4,141 82,55 5,172 82,55 6,215 82,55 8,282 82,55 10,350 82,55 12,423 82,55 16,564 82,55
3.1/2″ 2,226 88,90 3,343 88,90 4,460 88,90 5,569 88,90 6,693 88,90 8,919 88,90 11,146 88,90 13,379 88,90 17,839 88,90
3.3/4″ 2,385 95,25 3,582 95,25 4,778 95,25 5,967 95,25 7,171 95,25 9,556 95,25 11,942 95,25 14,335 95,25 19,113 95,25
4″ 2,544 101,60 3,821 101,60 5,097 101,60 6,365 101,60 7,649 101,60 10,194 101,60 12,738 101,60 15,290 101,60 20,387 101,60
4.1/4″ 2,703 107,95 4,059 107,95 5,415 107,95 6,763 107,95 8,127 107,95 10,831 107,95 13,534 107,95 16,246 107,95 21,661 107,95
4.1/2″ 2,862 114,30 4,298 114,30 5,734 114,30 7,161 114,30 8,605 114,30 11,468 114,30 14,330 114,30 17,202 114,30 22,935 114,30
5″ 3,180 127,00 4,776 127,00 6,371 127,00 7,956 127,00 9,561 127,00 12,742 127,00 15,922 127,00 19,113 127,00 25,484 127,00
5.1/2″ 3,499 139,70 5,253 139,70 7,008 139,70 8,752 139,70 10,518 139,70 14,016 139,70 17,515 139,70 21,024 139,70 28,032 139,70
6″ 3,817 152,40 5,731 152,40 7,645 152,40 9,547 152,40 11,474 152,40 15,290 152,40 19,107 152,40 22,935 152,40 30,581 152,40

Stainless Steel Pipes Welded and Seamless - Schedule Pattern.

 

External diameter Wall thickness (mm)
Inch (“) mm 5-S 10-S 40-S 80-S 160-S
Wall Weight Wall Weight Wall Weight Wall Weight Wall Weight Wall Weight
1/8” 10,20 – – 1,24 0,28 1,73 0,37 2,41 0,46 – –
1/4” 13,72 – – 1,65 0,50 2,24 0,63 3,02 0,81 – –
3/8” 17,15 – – 1,65 0,64 2,31 0,86 3,20 1,12 – –
1/2” 21,34 1,65 0,81 2,11 1,02 2,77 1,29 3,73 1,64 4,75 1,94
3/4’ 26,67 1,65 1,03 2,11 1,30 2,87 1,71 3,91 2,22 5,54 2,88
1” 33,40 1,65 1,31 2,77 2,12 3,38 2,54 4,55 3,29 6,35 4,24
1.1/4” 42,16 1,65 1,67 2,77 2,73 3,56 3,44 4,85 4,54 6,35 5,60
1.1/2” 48,26 1,65 1,93 2,77 3,16 3,68 4,11 5,08 5,48 7,14 7,24
2” 60,33 1,65 2,42 2,77 3,98 3,91 5,53 5,54 7,58 8,71 11,08
2.1/2” 73,03 2,11 3,75 3,05 5,33 5,16 8,75 7,01 11,57 9,53 14,92
3” 88,90 2,11 4,51 3,05 6,45 5,49 11,45 7,62 15,48 11,13 21,30
3.1/2” 101,60 2,11 5,17 3,05 7,40 5,74 13,76 8,08 18,90 12,70 27,80
4” 114,30 2,11 5,83 3,05 8,35 6,02 16,30 8,56 22,62 13,49 33,50
5” 141,30 2,77 9,45 3,40 11,60 6,55 22,09 9,53 31,38 15,88 49,10
6” 168,28 2,77 11,30 3,40 13,80 7,11 28,65 10,97 43,16 18,24 67,40
8” 219,08 2,77 14,80 3,76 19,90 8,18 42,97 12,70 64,57 23,02 111,30
10” 273,05 3,40 22,60 4,19 27,80 9,27 60,30 12,70 81,50 28,57 171,20
12” 323,85 3,96 31,40 4,57 36,00 9,53 71,90 12,70 97,40 33,34 238,80
14” 355,60 3,96 34,40 4,78 41,30 – – – – – –
16” 406,40 4,20 42,40 4,78 47,30 – – – – – –
18” 457,20 4,20 46,80 4,78 53,20 – – – – – –
20” 508,00 4,78 59,30 5,54 68,60 – – – – – –
24” 609,60 5,54 82,50 6,35 94,50 – – – – – –

Stainless Steel Square and Rectangular Pipes.

 

External measurements (mm) Wall thickness – mm
Square Rectangular 1,0 1,2 1,5 2,0 2,8 3,0
10 x 10 – 0,29 0,35 0,42 – – –
15 x 15 10 x 20 0,5 0,6 0,7 – – –
20 x 20 15 x 25 0,6 0,7 0,9 1,2 – –
25 x 25 15 x 35 0,8 0,9 1,1 1,5 – –
20 x 30
– 20 x 35 0,8 1,0 1,2 1,6 2,1 2,4
30 x 30 20 x 40 0,9 1,1 1,4 1,8 2,4 2,6
25 x 35
35 x 35 20 x 50 1,1 1,3 1,6 2,1 2,8 3,1
30 x 40
– 25 x 50 1,2 1,4 1,7 2,3 3,0 3,3
40 x 40 30 x 50 1,2 1,5 1,8 2,4 3,3 3,5
45×45 20 x 70 1,4 1,7 2,1 2,7 3,7 4,0
30 x 60
40 x 50
50 x 50 30 x 70 – 1,8 2,3 3,0 4,1 4,5
40 x 60
60 x 60 30 x 90 – 2,2 2,8 3,7 5,0 5,4
40 x 80
50 x 70
70 x 70 40 x 100 – 2,6 3,2 4,3 6,0 6,4
50 x 90
60 x 80
80 x 80 60 x 100 – 3,0 3,7 4,9 6,8 7,4
– 100 x 50 – – 3,5 4,7 – 7,0
90 x 90 100 x 80 – – – 5,6 – 8,4
100 x 100 120 x 80 – – – 6,3 – 9,4

OD Pipes.

 

Diameter Wall thickness (mm) and Weight per m²(Kg/m)
Inch (“) mm 0,50 0,60 0,70 0,80 1,00 1,20 1,50 2,00 2,77 3,00
1/4” 6,35 0,0735 0,0867 0,0994 0,1116 0,1345 0,1553 0,1828
3/8” 9,53 0,1135 0,1347 0,1553 0,1755 0,2144 0,2512 0,3027
1/2” 12,70 0,1533 0,1825 0,2111 0,2393 0,2941 0,3468 0,4222 0,5378
5/8” 15,87 0,1931 0,2303 0,2669 0,3030 0,3737 0,4424 0,5417 0,6972
3/4” 19,05 0,2782 0,3228 0,3670 0,4536 0,5383 0,6616 0,8570 1,0399 1,2101
7/8” 22,22 0,3786 0,3787 0,5333 0,6339 0,7811 1,0164 1,2390 1,4492
1” 25,40 0,4345 0,4947 0,6132 0,7299 0,9010 1,1762 1,4389 1,6889
1 1/4” 31,75 0,7728 0,9214 1,1404 1,4954 1,8378 2,1677
1 1/2” 38,10 0,9324 1,1129 1,3798 1,8146 2,2368 2,6465
1 3/4” 44,45 1,0920 1,3044 1,6192 2,1338 2,6358 3,1253
2” 50,80 1,2516 1,4959 1,8586 2,4530 3,0348 3,6040
2 1/2” 63,50 1,8789 2,3374 3,0913 3,8328 4,5616
3” 76,20 2,2620 2,8161 3,7297 4,6307 5,5192
3 1/2” 88,90 2,6457 3,2958 4,3693 5,9979 6,4785
4” 101,60 3,7737 5,0065 6,2267 7,4343
5” 127,00 6,2832 7,8226 9,3494
6” 152,40 7,5599 9,4185 11,2645
8” 203,20 10,1134 12,6104 15,0948
10” 254,00 12,6669 15,8022 18,9250
12” 304,80 15,2204 18,9941 22,7552

Stainless Steel Plates.

 

Thickness Weight per m² Theoretical weight per plate
Nº (USG) mm 2 x 1 m 2 x 1,2 m 3 x 1 m 3 x 1,2 m 3 x 1,5 m
50,80 406,40 812,80 975,36 1219,20 1463,04 1828,80
44,45 355,60 711,20 853,44 1066,80 1280,16 1600,20
38,10 304,80 609,60 731,52 914,40 1097,28 1371,60
31,75 254,00 508,00 609,60 762,00 914,40 1143,00
– 25,40 203,20 406,40 487,68 609,60 731,52 914,40
– 22,22 177,76 355,52 426,62 533,28 639,94 799,92
– 19,05 152,40 304,80 365,76 457,20 548,64 685,80
– 15,87 126,96 253,92 304,70 380,88 457,06 571,32
– 12,70 101,60 203,20 243,84 304,80 365,76 457,20
– 11,11 88,88 177,76 213,31 266,64 319,97 399,96
– 9,53 76,24 152,48 182,98 228,72 274,46 343,08
– 7,93 63,44 126,88 152,26 190,32 228,38 285,48
3 6,35 50,80 101,60 121,92 152,40 182,88 228,60
5 5,66 45,28 90,56 108,67 135,84 163,01 203,76
7 4,76 38,08 76,16 91,39 114,24 137,09 171,36
8 4,37 34,96 69,92 83,90 104,88 125,86 157,32
9 3,97 31,76 63,52 76,22 95,28 114,34 142,92
10 3,57 28,56 57,12 68,54 85,68 102,82 128,52
11 3,18 25,44 50,88 61,06 76,32 91,58 114,48
12 2,78 22,24 44,48 53,38 66,72 80,06 100,08
13 2,37 18,96 37,92 45,50 56,88 68,26 85,32
14 1,98 15,84 31,68 38,02 47,52 57,02 71,28
15 1,79 14,32 28,64 34,37 42,96 51,55 64,44
16 1,56 12,48 24,96 29,95 37,44 44,93 56,16
17 1,43 11,44 22,88 27,46 34,32 41,18 51,48
18 1,27 10,16 20,32 24,38 30,48 36,58 45,72
19 1,11 8,88 17,76 21,31 26,64 31,97 39,96
20 0,95 7,60 15,20 18,24 22,80 27,36 34,20
21 0,87 6,96 13,92 16,70 20,88 25,06 31,32
22 0,79 6,32 12,64 15,17 18,96 22,75 28,44
23 0,71 5,68 11,36 13,63 17,04 20,45 25,56
24 0,64 5,12 10,24 12,29 15,36 18,43 23,04
25 0,56 4,48 8,96 10,75 13,44 16,13 20,16
26 0,48 3,84 7,68 9,22 11,52 13,82 17,28
27 0,44 3,52 7,04 8,45 10,56 12,67 15,84
28 0,40 3,20 6,40 7,68 9,60 11,52 14,40