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



 Alloy Steel: ASTM / ASME A 335 GRP 1 , P 5 , P 9 , P 11 , P 12 , P 22 , P 23 , P 91

                   ASTM / ASME A 213 GR. T5 / T9 / T11 / T22 / T91
ASTM / ASME A 691 GR 1 CR , 1 1/4 CR , 2 1/4 CR , 5 CR , 9CR , 91ERW steel pipe|
ASTMA53 Carbon Steel Pipe/DIN10670/ST52 steel tube/ST42-2 steel pipe/ST37 Carbon steel pipe/ASTM A179 carbon steel pipe/ ST35.8 /ST45.8/16MN/27SIMN/
 Drill pipe|welding steel pipe


Seamless Carbon Steel Pipe:
1.Seamless steel pipe for general use: ASTM A 53 GR.B,
Steel Grade: SA53B and speciation O.D:1/2"-28",21.34 -711.2mm W.T: SCH10S- SCH120
2.Seamless steel pipe for high temperature:ASTM A 106 GR.B,Alloy steel pipe|Carbon steel
Steel Grade: SA106B and speciation O.D:1/2"-28",21.34 -711.2mm W.T: SCH10S- SCH120;
3.Seamless steel pipe DIN2448/1629,DIN17175, German standard,
Steel Grade: st37,st42,st52,st35.8-st45.8/1, speciation O.D: 1/2"-28",21.34-711.2mm W.T: SCH10S- SCH120;
4.line Pipe: API SPEC 5LAPI steel pipe|
Steel Grade :A,B,X42,X46,X52 (PSL1)and speciation O.D: 2"-28",60.3-711.2mm W.T: SCH10S- SCH120;
5.Casing Pipe: API SPEC 5CTSeamless steel pipe|
Steel Grade: J.K.N.L.P(PSL1) Threads: STC ,LC, BC and speciation: 5"-13-3/8",127-339.7mm;Steel pipe |

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