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Hot - Rolled Seamless Steel Tube For Liquid Transportation 10# / 20# / Q295

Basic Information
Place of Origin: China
Brand Name: Torich
Certification: ISO9001-2008
Model Number: GB/T 8163
Minimum Order Quantity: 1000kg
Price: 600-1000 USD per ton
Packaging Details: In bundles with seaworthy packing
Delivery Time: 3-4 weeks
Payment Terms: L/C, T/T
Supply Ability: 50000tons per year
Detail Information
Steel Grade: 10#/20#/Q295/Q345/Q390/Q420/Q460 Porudction Method: Hot - Rolled / Cold - Drawn / Cold - Rolled
Lengths: 3000mm-12000mm Process Test: Flattening Test /Expanding Test /Bend Test /Hydrostatic Pressure Test
Surface Quality: No Crack, Folding, Rolled Scrimp, Separation Layer And Scab Are Allowed To Exist Application: For Liquid Transpotation
High Light:

cold formed steel tube

,

structural steel square tubing


Product Description

GB/T8163 Seamless Steel Tube for Liquid Transpotation 20 Q345

 

Steel Grade:10#/20#/Q295/Q345/Q390/Q420/Q460

 

Application of Seamless Steel Tube: for Liquid Transpotation

 

Production method: Hot - rolled /Cold - drawn /cold - rolled)

 

Permissible Tolerance:

 

Permissible Tolerance of Outer Diameter and Wall Thickness (mm) 

 

Type of steel Tube Dimension of steel tube Permissible tolerance
Average class High class

Hot-rolled

(extruded and expanded) tube

Outer diameter D All ±1%
(min.+/-0.50)
-
Wall thickness All +15%/-12.5%
(min.+4.5/-4.0)
-
Cold-drawn (cold-rolled) tube Outer diameter D 6~10 ±0.2 ±0.15
>10~30 ±0.40 ±0.20
>30~50 ±0.45 ±0.30
>50 ±1% ±0.8%
Wall thickness ≤1 ±0.15 ±0.12
>1~3 +15%
-10%
+12.5%
-10%
>3 +12.5%
-10%
±10%
Note: For hot-expanded tubes with outer diameter≧35mm,the permissible tolerance of wall thickness is±18%.

 

 

Technical Specifications :

Steel tubes are made of Grade 10, 20, Q205, Q345 steel.

Steel tubes of other grades can be produced as required by the client and through mutual discussion between the client and the supplier.

 

Method of manufacturing :

 

hot-rolled (extruded and expanded) and cold-drawn (cold-rolled)

 

Steel shall be made by electric furnace, Martin furnace or oxygen converter. When the client specified a certain method of manufacturing, it shall be indicated in the contract.

Steel tubes shall be manufactured by hot-rolled (extruded and expanded) and cold-drawn (cold-rolled) seamless process. When the client specified a certain method of manufacturing, it shall be indicated in the contract.

 

Delivery status:
Hot-rolled (extruded and expanded) steel tubes are delivered in hot-rolled or heat-treated status while cold-drawn (rolled) steel tubes are delivered in heat-treated status.

 

Mechanical properties:

 

Longitudinal Mechanical Properties of Steel Tubes

 

NO. Steel Grade Tensile Strength(Mpa) Yield point(Mpa)
 
Elongation after breaking(%)
s<=16 s>16
Not less than
1 10 335~475 205 195 24
2 20 410~550 245 235 20
3 Q295 430~610 295 285 22
4 Q345 490~665 325 315 21

 

Process Test:

Flattening test

Expanding test

Bend test

Hydrostatic pressure test

 

Surface quality:
No crack, folding, rolled scrimp, separation layer and scab are allowed to exist. These defects shall be completely removed and the removal depth shall not exceed the negative tolerance of the nominal wall thickness.

 

Hot - Rolled Seamless Steel Tube For Liquid Transportation  10# / 20# / Q295 0 Hot - Rolled Seamless Steel Tube For Liquid Transportation  10# / 20# / Q295 1Hot - Rolled Seamless Steel Tube For Liquid Transportation  10# / 20# / Q295 2 Hot - Rolled Seamless Steel Tube For Liquid Transportation  10# / 20# / Q295 3

Contact Details
Christine Guan

Phone Number : +8618968237897

WhatsApp : +8613736164628