JIS G3456 STPT 480 Seamless Carbon Steel Pipes

Short Description:

JIS G3456 STPT 480 Carbon Steel Pipes mainly used for piping at a temperature over 350℃.,JIS G3456 STPT 480 Carbon Steel Pipes are manufactured by the seamless process.

Product Detail

Product Tags

 
JIS G3456 STPT 480 Carbon Steel Pipes
 
Standard:JIS G3456
Carbon Steel Pipes for High Temperature Service
 
JIS G3456 STPT 480 Carbon Steel Pipes mainly used for piping at a temperature over 350℃.
 
 
JIS G3456 STPT 480 Carbon Steel Pipes Quick Details
Manufacture:Seamless process
Out Dimensions: 14mm-508mm
Wall Thickness: 2mm-60mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)
Ends: Plain End, Beveled End, Treaded
 
Additional Info
Port of Shipment: Tianjin, China
Payment Terms:T / T, LC
Delivery: 7-15 days after payment
Surface: Tubes will be varnished (Outside only) to prevent rust.
Marking: Standard + Steel Grade + Size + Heat No + Lot No
Package: Bundles (hexagonal),Wooden Boxes,Crates (steel/wooden) or as required
 
 
Method of Manufacture
(1)JIS G3456 STPT 480 Carbon Steel Pipes are manufactured by the seamless process.
(2)When required by the purchaser, the pipe may be furnished with the bevel end.
 
 
Heat treatment

Grade Hot finished seamless steel pipe  Cold finished seamless steel pipe 
STPT480 As  manufactured.  However,  low temperature annealing or normalizing may be applied, as necessary. Low  temperature  annealed  or normalized.
 
 
Chemical Composition of JIS G3456 STPT 480
Grade Chemical Composition %
C  Si Mn p S
STPT 480 0.33 max. 0.10~0.35  0.30~1.00  0.035 max.  0.035 max.
 
 
Mechanical Properties of JIS G3456 STPT 480
Letter symbol of grade Mechanical Properties
Tensile strength Yield strength Elongation %
kgf/m㎡  {N/ m㎡}  kgf/m㎡  {N/ m㎡}  No.11 and No.12 test pieces No. 5 test pieces No. 4 test piece  
Longitudinal  Transverse Longitudinal Transverse
STPT 480 49{481} min. 28{275} min.  25 min. 20 min. 17 min.  22 min.
 
 
Appearance
(1)The pipe are practically straight, and its both ends shall be at a right angle to its axis.
(2) The inside and outside surfaces of the pipe shall be well-finished and free form defects that are detrimental to practical use.
 
 
Dimensions Tolerance of JIS G3456
Division Tolerances on outside diameter Tolerances on wall thickness Tolerance on deviation in wall thickness
Hot finished seamless steel
pipe		 Up to 50 mm 【0.5mm ≤Up to 4 mm
【0.5mm		 Up to and incl. 20 % of
wall thickness
50mm and over, up to 160mm
【1%
160mm and over, up to 200mm
【1.6mm		 ≤4mm and over
【12.5%
200mm and over 【0.8%
However, for pipes 350mm and over in diameter, the length of circumference may
substitute as a basis for tolerances, In this case, the tolerances shall be 【0.5%.
Cold finished seamless steel
pipe		 Up to 40mm 【0.3mm ≤Up to 2 mm
【0.2mm		 -
40mm and over 【0.8% ≤2mm and over
【10%
However, for pipes 350mm and over in diameter, the length of circumference may
substitute as a basis for tolerances. In this case, the tolerances shall be 【0.5%
 
 
Testings
(1)Chemical analysis
(2)Tensile Test
(3)Flattening Test
(4) Bending Test
(5) Hydrostatic Test or Nondestructive Examination
 
 
Report
We will submit to the purchaser the report on the test results, method of manufacture, ordered dimensions, quantity and work lot number traceable to the manufacturing conditions, etc.
 

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