Hebei ChongSheng Special Steel Pipe Co.,Ltd.
News
HomeNews
First, the performance by agency serves domestic seamless pipe, ordinary carbon steel according to the CPI steel GB / T700-88 (but must ensure that not more than 0.050% sulfur and phosphorus content of not more than 0.045%), mechanical performance should be consistent with the value stipulated in GB8162-87 table.
Second, according to the hydrostatic test must ensure the supply of domestic seamless pipe hydrostatic test standards required.
Third, import seamless physical performance test in accordance with relevant provisions of the standard contract.
Hebei ChongSheng Special Steel Pipe Co.,Ltd.
Add: YANSHAN COUNTY,HEBEI PROVINCE,CHINA