详情
seamless steel pipe manufacturing
Passed the API certification and ISO ********0 certification.
The seamless steel tube with the brand of"hongling" produced by the
company is the most famous brand products of China.
The raw materials are carbon steel and alloy steel.
Standard : GB***7 GB/T***2 GB/T***3 GB/T****6
API SPEC 5CT
ASTM A*3 ASTM
A**6 ASTM A**9 DN***9
EN****7 EN****5
The steel grade: *0# *0# *5# *5# *6Mn *5Mn2 *7SiMn
*0Cr etc.
The products includes:the tubes for structural purpose,fluid
transportation tubes,the alloy tubes,the boiler tubes,tubes for
hydraulic cylinders,the tubes for petroleum well,and so on.
