ISO 9001:2008 Certified Company ( 37 Years Old ) MD Exports LLP is No. 1 Distributor and Dealer of Arvind Pipe
:::::::: ARVIND SEAMLESS WELDED PIPES ::::::::
:: Stainless Steel Pipes Dimension (Schedule, Wall Thickness & Weight)
: : Dimension & Weight - Standard Tubing Sizes
:: ASTM Specification & Tolerance For Tubing & Piping
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ASTM Specification & Tolerance For Tubing & Piping
Specification | Allowable Outside Diameter Variation in mm | Allowable Wall Thickness Variation | Exact Length Tolerance in mm | Testing | ||||
Nominal Diameter | Over | Under | %Over | %Under | Over | Under | ||
ASTM-A213 Seamless Boiler Superheater and Heat Exchanger Tubes |
Under 25.4 | .1016 | .1016 | +20 | -0 | 3.175 | 0 | Flattening Test |
25.4-38.1 incl | .1524 | .1524 | +22 | -0 | 3.175 | 0 | Tension Test | |
38.1-50.8 excl | .2032 | .2032 | +22 | -0 | 3.176 | 0 | Flare Test | |
50.8-63.5 excl | .254 | .254 | +2 | -0 | 4.46 | 0 | Hardness Test | |
63.5-76.2 excl | .3048 | .3048 | +22 | -0 | 4.76 | 0 | 100% Hydrostatic test | |
76.2-101.6 incl | .381 | .381 | +22 | -0 | 4.76 | 0 | Refer to ASTM A-450 | |
ASTM-A249 Welded Boiler Superheater, Heat Exchanger And Condenser Tubes |
Under 25.4 | .1016 | .1016 | +10 | -10 | 3.175 | 0 | Tension Test |
25.4-38.1 incl | .1524 | .1524 | +10 | -10 | 3.175 | 0 | Flattening Test | |
38.1-50.8 Excl | .2032 | .2032 | +10 | -10 | 3.175 | 0 | Flange Test | |
50.0-63.5 excl | .254 | .254 | +10 | -10 | 4.762 | 0 | Reverse Bend Test | |
63.5-76.2 excl | .3848 | .3848 | +10 | -10 | 4.762 | 0 | Hardness Test | |
76.2-101.6 incl | .381 | .381 | +10 | -10 | 4.762 | 0 | 100% Hydrostastic Test Refer to ASTM A-450 | |
Minimum Wall tubes +18% 0 available On request | ||||||||
ASTM-A269 Seamless & Welded Tubing for General Service |
Untp12.7 | .13 | .13 | +15 | -15 | 3.2 | 0 | Flare Test (Seamless Only) |
12.7-38.1 exc! | .13 | .13 | +10 | -10 | 3.2 | 0 | Flange Test (Welded Only) | |
38.1-88.9 excl | .25 | .25 | +10 | -10 | 4.8 | 0 | Hardness Test | |
88.9-139.7 excl | .38 | .38 | +10 | -10 | 4.8 | 0 | Reverse Flattening Test | |
139.7-203.2 excl | .76 | .76 | +10 | -10 | 4.8 | 0 | (Welded only) 100% Hydrostatic Test Refer to ASTM-A269 |
|
ASTM-A270 Seamless & Welded Sanitary Tubing |
25.4 | .05 | .20 | +10.0 | -10.0 | 3.2 | 0 | Reverse flattening Test |
38.1 | .05 | .20 | +10.0 | -10.0 | 3.2 | 0 | 100% Hydrostastic Test | |
50.8 | .05 | .28 | +10.0 | -10.0 | 3.2 | 0 | External' polish on all tubes | |
60.5 | .05 | .28 | +10.0 | -10.0 | 3.2 | 0 | Refer to ASTM A-270 | |
76.2 | .08 | .30 | +10.0 | -10.0 | 3.2 | 0 | ||
101.6 | .08 | .38 | +10.0 | -10.0 | 3.2 | 0 | ||
ASTM-A312 Seemless & Welded pipe |
3.175-38.1 incl | .4 | .79 | Minimum Wall 12.5% under nominal wall Specified | 6.4 0 | 0 | Tension Test | |
38.1-1016 incl | .79 | .79 | 6.4 0 | 0 | Flattening Test | |||
101.6-203.2 imcl | 1.59 | .79 | 6.4 0 | 0 | 100% Hydrostatic Test | |||
(Normally Random Lengths ordered | Refer to ASTM A-530 | |||||||
ASTM A-358 Welded pipe |
219.08-750mm or 0.01 inch | +0.5% | -0.3 | 6.0 | Refer to ASTM A-530 |
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Industry We Serve Inconel Pipe Tube, Monel Pipe Tube, Hastelloy Pipe Tube, Nickel Pipe Tube, Alloy Steel Pipe Tube and Stainless Steel Seamless Pipes Tube Tubing Tuberia Supplied Architectural & General Engineering, Automobiles Industry, Breweries & Distilleries Industry, Cement Industry, Chemicals Industry, Dairy & Food Processing Industry, Fertilizers Industry, Heat Exchangers Industry, Oil Companies, Petrochemicals & Refineries, Power & Nuclear Energy / Atomic Energy, Railway Industry, Ship Building Industry, Solvent & Pulp Industry, Submersible Pumps Industry, Sugar Industry, Textile Machinery & Processing Houses etc..
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