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Butt-Weld Pipe Fittings
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Manufacturing specifications - Pipes & Tubes

All dimensions are in mm

ASTM-A213-71

Cover welded tubes made from the austenite steel, for steel boiler, heat superheated, heat exchanger and conder tubes.

Grade Available        
: 
TP 304,TP304H,TP304L, TP310, TP316H, TP316L,TP321, TP321 HJP347 ANDTP347H
Size Range       
:
1/2" (12.7mm) to 5" (127mm) outside diameter.
Wall Thickness     
:
.015" (0.38mm) to.500" (12.7mm) included.
Tests    
:
Tensile, flatting, Flaring, Hardness, Hydrostatic, and grain size.
ASTM-A249-71

Cover welded tubes made from the austenite steel, for steel boiler, heat superheated, heat exchanger and conder tubes.
Grade Available        
:
Cover welded tubes made from the austenite steel, for steel boiler, heat superheated, heat exchanger and conder tubes.
Size Range       
:
1/2" (12.7mm) to 9" (228.6mm) outsidediameter.
Wall Thickness     
:
035" (0.89mm) to.320" (8.13mm) included.
Tests    
:
Tensile flattening, Flange, Reverse bend, Hardness hydrostatic
of Non-destructive electic test, welded automatic process with
no addition of filler metal. Tubes shall be cold-worked before
final annealing.
ASTM-A269-71

Cover stainless steel tubing for general corrosion resisting and low or high temperature service.
Grade Available        
: 
TP304,TP304I,TP316,TP316L,TP317,TP321,TP347,
Size Range       
:
11/2" (12.7mm) to 8" (203.2mm) outside diameter.
Tests    
:
Hardness, Hydrostatic or non-destructive electic test reverse
fattening test for welded pipe only, flare test for seamless pipe
only.
ASTM-A312-71

Cover seamless and welded stainless steel pipe.
Grade Available        
: 
TP 304, TP 304H, TP 304L, TP 310,TP 316, TP316H, TP316L, TP 321, TP 321 H,TP 347, TP347H.
Size Range       
:
1/8"(6mm)to12"(300mm)N.B.Pipingsize.
Tests    
:
Tensile, flattening hydrostatic. Welded by automatic process
with no filler rod added.
ASTM-A359-70

Covers electric fusion-welded austenitic stainless steel pipe for high temperature service. Two classes can be supply.
Class 1
:
100% radiography; class radiography required.
Grade Available        
: 
TP 304JP 316, TP 347, TP 321, TP 310, TP 348.
Size Range       
:
8" (200mm) N.B. Piping size and larger.