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


St37 ERW black round welded steel pipe


St37 ERW black round welded steel pipe/tube

Detailed description:

1)outer diameter:1/2'-46"

2)wall thickness:0.8-10mm

3)length:5-12m or as your requirement


5)steel grade:Q195/Q235/Q345/ASTM A53 GRB/ASTM A106 GRB

6)packaging:in bundle,plastic cap

7)application:petroleum,power,gas metalluurgy,papermaking,chemical,medical equipment,aviation,boiler heat,exchager,shipbuilding,constrouction,etc.


1.special design available according to requirement

2.anti-corrosion and high-temperature resistant with black painting.

3.all the production process are made under the ISO9001:2000 strictly.



outer diameter 1/2"-46"
wall thickness 0.8-4mm
length 1-12m or as your requirement
brand name SINO EAST
cetification ISO, BV and SGS
package plastic cap,in bundle
steel grade Q195/Q215/Q235/Q345/10#/20#/ASTM A106GRB
surface treated black or oil painting
supply ability 2000Tons/month
application Oil, water, gas transportation, engering field, constructution project.
payment terms L/C T/T
port Tianjin China
main market Middle East,Africa, Asia and some Uropean country and America ,Australia





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