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Mechanical Tube
Mechanical Tube – Round
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Standard Reference
JIS G 3445 STKM
JIS G 3472 STAM
JIS G 3466 STKR
Galvanized and Black Pipe
Galvanized Pipe SNI 0039:2010
General Construction (SNI 07-0068-1987)
Steel Pipe ASTM-A53
BS 1387:1985 Carbon Steel Screw and Socked Steel Tube
Standard Reference
SNI 0039:2010
SNI (07-0068-1987)
JIS G 3444 STK
High Frequency Welding
Mechanical Test
Expand Test
Thickness Check
OD Check
Length Check
Flattening Test
Hydrostatic Test
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> Quality Concern > High Frequency Welding
High Frequency Welding
No additional element in welding area
No change of chemical composition
Stable welding properties
QUALITY CONCERN
High Frequency Welding
Mechanical Test
Expand Test
Thickness Check
OD Check
Length Check
Flattening Test
Hydrostatic Test
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