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| Inspection & Quality Control |
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Following tests are normally carried out at Shree Tube
Flattening,
Flare & Flange,
Reverse Bend,
Reverse flattening,
Tensile Strength, Hydraulic Testing,
Crush Test.
Enquiry/Ordering Information
Material grade,
NB Pipe Size or Outside diameter,
Wall thickness,
Length - Random / Standard / Specific,
Finish required,
Relevant Specification,
Application/End use. |
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Manufacturers of :
STAINLESS STEEL TUBES PIPES SECTION
(Ranging From : Size - 6.35 mm OD to 165.00 mm OD)
AVAILABLE GRADES :- SS, 304, 304L, 316, 316L, 202, 430, 409L,
CONFORMING TO ASTM. & OTHER INTERNATIONAL STANDARD
ALSO MANUFACTURERS OF :- HOLLOW SECTIONS SUCH AS SQUARE RECTANGLE AND ELLIPTICAL |
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| The Product Range, Finishes & Applications |
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Grade Designation |
E L E M E N T % |
Characteristics |
TP |
IS-6911 |
C Max. |
Mn. Max. |
Cr. |
Ni |
Other Elements |
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304 |
04Cr18Ni10 |
0.08 |
2.00 |
18.00/20.00 |
8.00/11.00 |
- |
Basic Steel for austentic stainless steel tubes, featuring excellent corrosion resistance and weldability |
304L |
02Cr18Ni11 |
0.035 |
2.00 |
18.00/20.00 |
8.00/13.00 |
- |
A very low carbon steel, offering good intergranular corrosion resistance even in "as welded" condition. |
310 |
10Cr25Ni18 |
0.15 |
2.00 |
24.00/26.00 |
19.00/22.00 |
- |
Excellent high temperature properties, with ductility and weldability. |
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316 |
04Cr17Ni12Mo2 |
0.08 |
2.00 |
16.00/18.00 |
10.00/14.00 |
Mo2.00/3.00 |
Molydenum gives this steel, higher 1 resistance to non- oxidising acides, as well as good resistance to crevice corrosion. It also offers excellent high temperature creep characteristics. |
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316L |
02Cr17Ni12Mo2 |
0.035 |
2.00 |
16.00/18.00 |
10.00/15.00 |
Mo2.00/3.00 |
Lower corbon content provides better ' intergranular corrosion resistance than 316. |
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321 |
04Cr18Ni10Ti20 |
0.08 |
2.00 |
17.00/20.00 |
9.00/13.00 |
Ti=5xCmin
max. 0.70 |
Titanium addition makes this steel a varbide stabilized type, which offers improved intergranular corrosion resistance. Used in Heat Exchanger and superheater tubes for high temperature high pressure boilers. |
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409 |
- |
0.08 |
1.00 |
10.50/13.50 |
0.50 max. |
Ti=6xCmin
max. 0.75 |
A ferritic stainless steel offering resistance to chloride stress corrosion. Primarily used in automotive industry lor mufflers, tail pipes, etc. |
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410 |
12Cr13 |
0.15 |
1.00 |
11.50/13.50 |
0.50 max. |
- |
A ferritic stainless steel offering good corrosion resistance and machinability. |
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430 |
05Cr17 |
0.12 |
1.00 |
16.00/18.00 |
0.50 max. |
- |
Good combination of corrosion resistance, useful mechanical properties, and good formability. |
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| Manufacturing Process |
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| Valuable Products |
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| STANDARD WEIGHT CHART |
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STANDARD WEIGHT CHART FOR STAINLESS STEEL WELDED TUBES |
Outer Diameter |
Wall Thickness in mms |
Inches |
mm |
0.5 |
0.6 |
0.7 |
0.8 |
0.9 |
1.00 |
1.20 |
1.50 |
1.60 |
2.00 |
2.60 |
3.00 |
1/4 |
6.35 |
0.73 |
0.086 |
0.099 |
0.111 |
0.123 |
0.134 |
- |
- |
- |
- |
- |
- |
3/8 |
9.52 |
0.113 |
0.134 |
0.155 |
0.175 |
0.194 |
0.213 |
- |
- |
- |
- |
- |
- |
- |
10.00 |
0.119 |
0.141 |
0.163 |
0.184 |
0.205 |
0.225 |
- |
- |
- |
- |
- |
- |
1/2 |
12.70 |
0.153 |
0.182 |
0.210 |
0.238 |
0.266 |
0.293 |
0.345 |
0.421 |
0.445 |
0.536 |
- |
- |
5/8 |
15.87 |
0.189 |
0.226 |
0.263 |
0.302 |
0.337 |
0.372 |
0.441 |
0.540 |
0.571 |
0.694 |
- |
- |
3/4 |
19.05 |
0.226 |
0.271 |
0.316 |
0.365 |
0.409 |
0.452 |
0.536 |
0.659 |
0.699 |
0.854 |
0.1.071 |
1.205 |
7/8 |
22.23 |
- |
- |
- |
0.429 |
0.481 |
0.531 |
0.632 |
0.778 |
0.826 |
1.013 |
1.277 |
1.444 |
1 |
25.40 |
- |
- |
- |
0.493 |
0.552 |
0.611 |
0.726 |
0.897 |
0.953 |
1.171 |
1.483 |
1.682 |
- |
30.00 |
- |
- |
- |
0.572 |
0.643 |
0.715 |
0.865 |
1.070 |
1.137 |
1.402 |
1.783 |
2.027 |
1.1/4 |
31.75 |
- |
- |
- |
0.605 |
0.681 |
0.756 |
0.918 |
10136 |
1.207 |
1.489 |
1.897 |
2.159 |
1.1/2 |
38.10 |
- |
- |
- |
0.727 |
0.818 |
0.908 |
1.108 |
1.374 |
1.462 |
1.807 |
2.310 |
2.636 |
1.3/4 |
44.4 |
- |
- |
- |
- |
- |
- |
0.299 |
1.613 |
1.716 |
2.125 |
2.724 |
3.112 |
- |
45.00 |
- |
- |
- |
- |
- |
- |
1.315 |
1.633 |
1.738 |
2.153 |
2.759 |
3.154 |
2 |
50.8 |
- |
- |
- |
- |
- |
- |
1.490 |
1.851 |
1.970 |
2.443 |
3.137 |
3.589 |
2 1/2 |
63.5 |
- |
- |
- |
- |
- |
- |
1.871 |
2.328 |
2.479 |
3.079 |
3.963 |
4.542 |
3 |
76.2 |
- |
- |
- |
- |
- |
- |
- |
2.805 |
2.988 |
3.714 |
4.790 |
5.497 |
3 1/2 |
88.9 |
- |
- |
- |
- |
- |
- |
- |
3.281 |
3.496 |
4.350 |
5.616 |
6.450 |
4 |
101.7 |
- |
- |
- |
- |
- |
- |
- |
3.758 |
4.005 |
4.986 |
6.443 |
7.404 |
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MANUFACTURING RANGE PIPES |
Size |
Wall Thickness & Weight |
Norminal Pipe Size in inch |
Outside Diameter |
Schedule - 5s |
Schedule - 10s |
Schedule - 40s |
Schedule - 80s |
(mm) |
W.T. (mm.) |
Wt.kg/Mt. |
W.T. (mm). |
Wt.Kg/Mt. |
W.T. (mm) |
Wt.kg/Mt. |
W.T. (mm) |
Wt.Kg/Mt. |
1/4 |
13.72 |
1.24 |
0.387 |
1.65 |
0.498 |
2.24 |
0.643 |
3.02 |
0.808 |
3/8 |
17.15 |
1.24 |
0.493 |
1.65 |
0.640 |
2.31 |
0.857 |
3.20 |
1.116 |
1/2 |
21.34 |
1.65 |
0.812 |
2.11 |
1.014 |
2.77 |
1.286 |
3.73 |
1.642 |
3/4 |
26.67 |
1.65 |
1.032 |
2.11 |
1.300 |
2.87 |
1.708 |
3.91 |
2.225 |
1 |
33.40 |
1.65 |
1.310 |
2.77 |
2.121 |
3.38 |
2.537 |
4.55 |
3.282 |
1 1/4 |
42.16 |
1.65 |
1.671 |
2.77 |
2.728 |
3.56 |
3.435 |
4.85 |
4.524 |
1 1/2 |
48.26 |
1.65 |
1.923 |
2.77 |
3.150 |
3.68 |
4.101 |
5.08 |
5.484 |
2 |
60.33 |
1.65 |
2.421 |
2.77 |
3.986 |
3.91 |
5.515 |
5.54 |
7.588 |
2 1/2 |
73.03 |
2.11 |
3.741 |
3.05 |
5.336 |
5.16 |
8.756 |
7.01 |
11.570 |
3 |
88.90 |
2.11 |
4.578 |
3.05 |
6.546 |
5.49 |
11.448 |
7.62 |
15.484 |
3 1/2 |
101.60 |
2.11 |
5.248 |
3.05 |
7.514 |
5.74 |
13.756 |
8.08 |
18.891 |
4 |
114.30 |
2.11 |
5.918 |
3.05 |
8.483 |
6.02 |
16.296 |
8.56 |
22.628 |
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| The Product Range, Finishes & Applications |
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Product Range
Tube : 6mm to 114.3 mm
Pipe : 1/8" NB to 4" NB
Sections : Square, Rectangular, Elliptical &
Other as Per Customers requirement.
Finishes
• As Welded
• Welded & Externally Polished
• Welded Cold drawn Annealed & Pickleds
• Welded Cold drawn Annealed Pickled & Externally Polished
• Other Finishes as per Customers requirement |
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Applications
• Heat Exchangers : Such as Condensers, Evaporators, Heating Coils.
• Fluid Piping : In Sugar Industtries, Breweries, Petrochemical Industries, Food Processing, Pharmaceuticals, Paper & Textile Industries.
• Automobiles : Silencers, Catalytic Converters, Accessories.
• Hospital & Kitchen equipment, Furniture & Interior Decoration.
• Grneral Engineering Industries, Submersible pump casing. |
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ASTM Specifi- cations
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Title
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Outer DIArange (mm)
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Outer DIA (mm) |
Wall Thickness
(mm) % |
Over |
Under |
Over |
Under |
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A-213
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Stainless Steel
Heat Exchanger Tubes |
R
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R
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R
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R
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-
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R
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-
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R
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-
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C
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6.35 to
14.3 |
0.1 to
0.30 |
0.1 to
0.30 |
20 |
0 |
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A-249
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Stainless Steel Boilers,
Super heat, Heat Exchangers & Condenser Tubes |
R
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R
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R
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R
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R
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-
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R
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R
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O
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C
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6.35 to
14.3 |
0.1 to
0.38 |
0.1 to
0.38 |
10 |
10 |
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A-269
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Stainless Steel Tubing For General Service |
R |
- |
R |
R |
R |
R |
-
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R |
O |
C |
6.35 to
14.3 |
0.13 to
0.38 |
0.13 to
0.38 |
10-15 |
10-15 |
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A-270
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Stainless Steel Sanitary Tubing |
C |
- |
- |
R |
- |
- |
- |
R |
- |
- |
6.35 to
14.3 |
0.05 to
0.08 |
0.20
to
0.38 |
12.5 |
12.5 |
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A-312
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Stainless Steel Pipes |
O |
R |
- |
R |
-
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-
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-
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R
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-
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-
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6.35 to
14.3 |
0.40
to
0.79 |
0.79 |
12.5 |
12.5 |
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A-554
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Stainless Steel Welded Mechanical Tubing |
R
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O |
O
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-
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-
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-
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-
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-
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-
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-
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6.35 to
14.3 |
0.1
to
0.30 |
0.1 to
0.30 |
10 |
10 |
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| R=Required, O=Optional, C=Choice of purchaser |
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