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

 
 

LARGER SIZE SPIRAL WELDED STEEL PIPES

 

QUALITY STANDARD

SY/T 5040 Spiral submerged arc-welded steel pipe piles

CJ/T 3022 Spiral submerged-arc welded steel pipe for municipal heat supply

ASTM A252 WELDEDAND SEAMLESS STEEL PIPE PILES

Seamless steel pipe|
Carbon steel pipe|


 

Steel Grade

GB/T 13793, GB/T 6728, GB 15831, SY/T 5040,CJ/T 3022

Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M8Alloy pipe|

spiral steel pipe|

BS 1387, EN10217, EN 10219  S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33, St37, St44, ST52

EN 10296 E275K, E355K, E460K

ASTM A500, ASTM A 53 Gr. A, Gr B, Gr C, Gr.DAPI  pipe|

ERW pipe|

JIS G 3466 SS330, SS440, SS490, SPHD, SPHE

 

SizeStainless steel pipe|

Seamless pipe | 

Outer Diamter 219.1mm - 4064mm (8" - 160")

Wall Thickness 3.2 mm - 40mm

Length 6mtr-18mtr


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