Product Details
Delivery Condition GBK Precision Seamless Steel Tubes Standard
EN10305-1 Steel Round Pipe
What is precision seamless steel tubes?
Precision seamless steel tube is a high precision steel tube after
cold rolling or cold drawing
Main Date
Standard: EN10305-1
Material: E235, E355
OD: 4-120mm
WT: 0.5-15mm
Delivery Condition
GBK(+A): After the final cold drawing process the tubes are
annealed in a controlled atmosphere.
Other Delivery Condition aviliable:
BK(+C): | No heat treatment after the final cold drawig process. |
BKW(+LC): | After the final heat treatment there is a suitable drawing pass. |
BKS(+SR): | After the final cold drawing process there is a stress relieve heat
treatment in a controlled atmosphere. |
NBK(+N): | After the final cold drawing operation the tubes are normalized in
a controlled atmosphere. |
Application
Automotive Part,
Hydraulic System,
High-precsion Machining.
etc.
Company Profile
Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe
Co., Ltd.) is a high-tech company in Jiangsu province. The company
has a registered capital of RMB 89 million, covers an area of
130,000 square meters, employs 600 staff, and has annual sales of
RMB 400 million. The company is specialized in producing and
selling high-end bearing tubes, auto alloy tubes, titanium and
titanium alloy tubes, nickel and nickel-based alloy tubes,
refrigerator condenser tubes, aluminum and aluminum alloy tubes and
the like.
The company focuses on the development of new products, and has
successively developed high diameter-wall ratio
titanium-molybdenum-nickel alloy seamless steel tubes, nuclear
power plant reactor driving mechanism used martensite stainless
steel seamless steel tubes, auto critical components used alloy
steel tubes, high-end refrigerator used corrosion-resistance
galvanized condenser tubes, marine engineering and complex
environment oilfield used high-strength corrosion-resistance G3
tubes, among which, nuclear power plant reactor driving mechanism
used martensite stainless steel seamless steel tube has obtained
high-tech product certificate of the province.
At present, the company has obtained authorization for 7 patents
for invention, and 8 patents for utility model.
