Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association

 
 

ASTM A53 SEAMLESS PIPE and WELDED PIPE Technical Specs


Specification A53 covers Seamless and Welded, black and hot-dipped galvanized nominal (average) wall pipe for coiling, bending, flanging and other special purposes and is suitable for welding. Threaded and coupled pipe is available.

State Pipe Stocks:
1/8” to 10” Welded Grade A
2” to 26” Welded Grade B
28" to 48" DSAW API
1/8” to 24” Seamless Grade B

ASTM A53 WELDED PIPE

General Description

Specification A53 covers Seamless and Welded, black and hot-dipped galvanized nominal (average) wall pipe for coiling, bending, flanging, and other special purposes and is suitable for welding.

Mechanical Properties - Tensile Requirements

Seamless and ERW Grade A Grade B
Tensile Strength, min., psi 48,000 60,000
Yield Strength, min., psi 30,000 35,000

Chemical Requirements

Seamless and ERW C max % Mn max % P max % S max %
Grade A
0.25 0.95 0.05 0.045
Grade B
0.30 1.20 0.05 0.045

ASTM A53 SEAMLESS PIPE

Testing Requirements

  • Hydrostatic Testing

    Hydrostatic inspection test pressures for plain end and threaded and coupled pipe are specified. Hydrostatic pressure shall be maintained for not less than 5 seconds for all sizes of Seamless and Electric Resistance Weld Pipe.
  • Mechanical Tests

    Tensile Test Transverse required on ERW for NPS 8 & larger.
    Flattening Test For NPS 2 and larger, STD and XS walls.
    (Not required for XXS pipe)
    Bending Test (cold) For NPS 2 and under, XS wall and under
    For NPS 1 1/4 and under, under XXS wall.
  •   Degree of Bend Diameter of Mandrel
    For Normal A53 Uses
    90 12 x dia. of pipe
    For Close Coiling
    180 8 x dia. of pipe
  •  

上一篇:EN10305-1 Cold Drawn Seamless Pipe - E215,E235,E355

下一篇:Carbon Steel ASTM A106 Seamless Pipe