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By TISCO Technology Center |
UpDate:11-20-2014 |
Recently, TISCO’s X80 hot rolled coil with
thickness of 22mm is successfully launched off the production line. The first
batch of the products has got approval in Petrochina’s achievement evaluation
for material for φ1219mm×22mm spiral weld pipes by the end of
October.
With the acceleration progress of the Line II and
Line III of transmission project of natural gas from west to east, one of the
“Twelfth Five” key projects, it has become very urgent to manufacture and
delivery pipes with big thickness and diameter. Under such circumstances, steel
producers all around China, one after another, started the R&D of the above
mentioned products.
X80, the high grade pipeline steel, is one of the
hot rolled coil steel grades with most difficulty production processes.
Generally, thicker products which are more difficult to roll ask for higher
requirements to process technology. 22mm is almost the limit thickness for hot
rolling process. During the “twelfth five” period, TISCO has supplied nearly
700,000 tons of X80 hot rolled coil to Line II of west-east natural gas
transmission project. To ensure reliable girth welding in pipes, on the basis of
previous achievement, the R&D team makes a series of improvements, including
adjusting steel component system, analyzing effect of micro constituent range,
making more punctilious production by dint of advanced facilities such as Super
Fast Cooler and Strong Force Coiler. All those efforts not only effectively
maintain the high strength of 22mm X80 hot rolled coil, but also realize a good
match of material’s strength and toughness, which jointly create a good basic
condition for the manufacture of spiral weld pipes for the transmission
project.
Currently, as one of the primary enterprises for
R&D and production of hot rolled coils for high grade pipeline steel with
big thickness, TISCO has been qualified to commercially produce and deliver such
products. It represents the company moves an important step on the road of
R&D and production of pipeline steel. |
By TISCO Technology Center |
UpDate:11-20-2014 |
Recently, TISCO’s X80 hot rolled coil with
thickness of 22mm is successfully launched off the production line. The first
batch of the products has got approval in Petrochina’s achievement evaluation
for material for φ1219mm×22mm spiral weld pipes by the end of
October.
With the acceleration progress of the Line II and
Line III of transmission project of natural gas from west to east, one of the
“Twelfth Five” key projects, it has become very urgent to manufacture and
delivery pipes with big thickness and diameter. Under such circumstances, steel
producers all around China, one after another, started the R&D of the above
mentioned products.
X80, the high grade pipeline steel, is one of the
hot rolled coil steel grades with most difficulty production processes.
Generally, thicker products which are more difficult to roll ask for higher
requirements to process technology. 22mm is almost the limit thickness for hot
rolling process. During the “twelfth five” period, TISCO has supplied nearly
700,000 tons of X80 hot rolled coil to Line II of west-east natural gas
transmission project. To ensure reliable girth welding in pipes, on the basis of
previous achievement, the R&D team makes a series of improvements, including
adjusting steel component system, analyzing effect of micro constituent range,
making more punctilious production by dint of advanced facilities such as Super
Fast Cooler and Strong Force Coiler. All those efforts not only effectively
maintain the high strength of 22mm X80 hot rolled coil, but also realize a good
match of material’s strength and toughness, which jointly create a good basic
condition for the manufacture of spiral weld pipes for the transmission
project.
Currently, as one of the primary enterprises for
R&D and production of hot rolled coils for high grade pipeline steel with
big thickness, TISCO has been qualified to commercially produce and deliver such
products. It represents the company moves an important step on the road of
R&D and production of pipeline steel. |
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