JIS G3454 STPG 410 Carbon Steel Pipes For Pressure Service

Short Description:

JIS G3454 STPG 410 Carbon Steel Pipes used for pressure service at an approximate maximum temperature of 350℃.Manufacture:Seamless of the electric resistance welding process,Out Dimensions: 14mm-508mm,Wall Thickness: 2mm-60mm.

Product Detail

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JIS G3454 STPG 410 Carbon Steel Pipes
 
Standard:JIS G3454
Carbon Steel Pipes for Pressure Service
 
JIS G3454 STPG 410 Carbon Steel Pipes used for pressure service at an approximate maximum temperature of 350℃.
 
 
JIS G3454 STPG 410 Carbon Steel Pipes Quick Details
Manufacture:Seamless of the electric resistance welding 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)The pipes are manufactured by either the seamless of the electric resistance welding process.
(2)The pipes shall stay as manufactured. However, the cold- finished steel pipe shall be annealed after manufacture.
(3)When required by the purchaser, the pipe may be furnished with a becwl end
 
 
Chemical Composition of JIS G3454 STPG 410

Letter symbol of grade Chemical Composition %
C Si Mn P S
STPG 410 0.30 max. 0.35 max 0.30 ~0.90 0.040 max.  0.040 max. 
 
 
Mechanical Properties of JIS G3454 STPG 410

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
STPG 410 42{412}min 25{245} min 25 min 20 min 19 min  24 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.
 
 
Testings
(1)Chemical analysis
(2)Tensile Test
(3)Flattening Test
(4) Bending Test
(5) Hydrostatic Test or Nondestructive Examination
 
 
Dimensions Tolerance of JIS G3454 Carbon Steel Pipes

Division  Tolerances on outside diameter  Tolerances on wall thickness
Hot-finished seamless steel pipe 
 
40 A or under 【0.5mm  Under 4mm
+0.6mm
-0.5mm
4mm or over
+15%
-12.5%
50A or over up to and incl. 125 A 【1%
150A 【1.6mm
200A or over 【0.8%
For the pipe of nominal size 350 A or over, the tolerances on outside diameter may be determined by the measurement of the length of circumference. In this case, the tolerances shall be 【0.5%.
Cold-finished seamless steel pipe and electric resistance welded steel pipe 25 A or under 【0.3mm Under 3mm
【0.3mm
3mm or over
【10%
32 A or over 【0.8%
For the pipe of nominal size 350 A or over, the tolerances on outside diameter may be determined by the
measurement of the length of circumference. In this case, the tolerances shall be 【0.5%.
 
 
Marking

Each pipe having passed the inspection shall be marked with the following items. However, the smaller pipes or other pipes specified by the purchaser may be bundled together and marked for each bundle by a suitable means. In both cases, the order of arranging the marked items is not specified.
When approved by the purchaser, a part of the items may be omitted.
(1) Letter symbol of grade (STPG 410 )
(2) Letter symbol indicating the manufacturing processes(3)
(3) Dimensions( 4 )
(4) Manufacturer's name or its identifying brand
(5) Letter symbol denothing the supplementary quality requirement, Z
 
Note( 3 )
The letter symbol indicating the manufacturing processes(3) shall be as follows, provided that the dash may be omitted leaving a blank.
Hot-finished seamless steel pipe - S - H
Cold-finished seamless steel pipe- S - C
Electric resistance welded steel pipe other than hot-finished and cold -finished ones - E - G
Hot-finished electric resistance welded steel pipe- E - H
Cold-finished electric resistance welded steel pipe - E - C
 
Note( 4 )
The dimensions shall be expressed as follows.
Nominal diameter × Nominal wall thickness
Example: 50A × Sch 40, 2 B × Sch 40


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