JIS G3454 Stpg 370 Carbon Steel Pipes for Pressure Service

• After-sales Service: Technical/Sample/Quality
• Type: Seamless/Welded
• Technique: Hot-Rolled/Cold-Drawn
• Material: Carbon/Alloy/Stainless
• Surface Treatment: Black&Varnish Coating&3lpe&PE
• Usage: Boiler Pipe
• Model NO.: STPG 370
• Section Shape: Round
• Transport Package: as Required
• Specification: 10-850mm
• Trademark: SHUNFU
• Origin: China
• HS Code: 7304193000
• Production Capacity: 30000tons/Year

Product Description

JIS G3454 Carbon Steel Pipes for Pressure Service

JIS G3454 carbon steel pipes used for pressure service at an approximate maximum temperature of 350ºC
 

JIS G3454 Carbon Steel Pipes Dimensions and Tolerances

outside diameter: 20-800mm
wall thickness: 3-150mm
Dimensional Tolerances: +/-1% OD ; +/- 12% WT
 

JIS G3454 Carbon Steel Pipes Method of Manufacture

The Method of manufacture shall be as follows:
The pipe shall be manufactured by either the seamless of the electric resistance welding process.
The pipe shall stay as manufactured. However, the cold- finished steel pipe shall be annealed after manufacture.
The purchaser may specify heat treatment for the weld of the electric resistance welded steel pipe of grade STPG 42, as necessary.
 

JIS G3454 Carbon Steel Pipes Chemical Composition

Steel Grade	C	Si	Mn	p	S
STPG 370	0.25 max.	0.35 max.	0.30 to 0.90	0.040 max.	0.040 max.
STPG410	0.30 max.	0.35 max.	0.30 to 1.00	0.040 max.	0.040 max.

 

JIS G3454 Carbon Steel Pipes Mechanical Properties

Steel Grade	Tensile strength	Yield point or proof stress	Elongation %
	kgf/mm2 (N/mm2}	kgf/mm2 (N/mm2}	Longitudinal	Transverse	Longitudinal	Transverse
STPG 370	38 {373}min	22{216} min	30 min	25 min	23 min	28 min
STPG 410	42(412}min	25(245} min	25 min	20 min	19 min	24 min

 

JIS G3454 Carbon Steel Pipes Appearance

The pipe shall be practically straight, and its both ends shall be at a right angle to its axis. The inside and outside surfaces of the pipe shall be well-finished and free form defects that are detrimental to practical use.
 

JIS G3454 Carbon Steel Pipes Nondestructive Test

The pipe shall be tested in accordance with 9.5 and the resulting hydrostatic characteristic or nondestructive characteristic shall conform to either of the following two. The preference for which of them shall be left to the specification by the purchaser or to the discretion of the manufacturer.
 

JIS G3454 Carbon Steel Pipes 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.
 

JIS G3454 Carbon Steel Pipes Test and Inspection

Division
Chemical analysis
Tensile Test
Flattening Test
Bending Test
 

Fushun Metal LTD CO

Fushun Metal is a large special steel manufacturer and supplier. We are metal experts and have been providing quality customer service and products since 1998.

At Fushun Metal, we supply a wide range of metals for a variety of applications. Our products/stock includes: cold rolled steel tube, cold drawn steel tube, hollow bar, boiler tube, alloy steel tube, stainless steel tube, nickel alloy pipe,etc

We also can supply move services like heat-treatment(QT, +A, +N, +SR, +BKS), grounded, polished, cutting, beveled, painted, threaded, upsetting, boring, honing etc.
 
Send your inquiry information to us and get a free quotation today!