JIS G3459 SUS304 Stainless Steel Pipe

JIS G3459 Standard specifies the stainless steel pipes (hereafter referred tp as “pipes”) used for the pipings for corrosion resistance, low temperature sevice, high temperature service, etc.SUS304 is One of the steel grades in JIS G3459 standard.

Description

JIS G3459 SUS304 Stainless Steel Pipe Dimensional Range & Specification
Outside Diameter：12.7mm——219mm
Wall thickness：3.5mm——15mm
Length：6000mm、12000m or specified length as required.
JIS G3459 SUS304 Stainless Steel Pipe
Standard:JIS G3459
Scope
JIS G3459 Standard specifies the stainless steel pipes (hereafter referred tp as “pipes”) used for the pipings for corrosion resistance, low temperature sevice, high temperature service, etc.
SUS304 is One of the steel grades in JIS G3459 standard.
Method of manufacture
Pipes shall be manufactured by a seamless process, an automatic arc welding process, a laser welding process, or an electric resistance welding process.
Heat treatment of JIS G3459 SUS304 Stainless Steel Pipe
Classification Grade Solution treatment ℃
Austenitic pipes SUS 304TP 1010 min, rapid cooling
Chemical composition 
Grades Chemical composition
C Si     Mn P S Ni Cr
SUS 304 TP 0.08 max. 1.00 max. 2.00max. 0.040 max. 0.030 max. 8.00~11.00 18.00~20.00
Mechanical properties
Grade
 Mechanical properties
Tensile strength Yield Strength Elongation %
kgf/mm 2  {N/mm2} kgf/mm 2  {N/mm2}
No. 11 test piece
No. 12 test piece
 No.5 test piece No.4 test piece
Longitudinal direction Transverse direction Longitudinal direction Transverse direction
SUS 304 TP 53{520}min. 21{206} min 35 min 25 min 30 min 22 min
Appearance
Pipes shall be straight for practical purposes, and their both ends shall be at right angles to the axis.
The inside and outside surfaces of the pipes shall be well finished, and free from defects detrimental to practical use.
Dimensional tolerances
Division Tolerances on outside diameter Tolerances on wall thickness Tolerances on eccentricity
ot-finished seamless pipe Under 50mm 【0.5mm Under 4mm 【0.5mm
At most 20 % of wall
thickness
50mm or over 【1% 4mm or over 【12.5%
Cold-finished seamless pipe, automatic arc welded pipe,
electric resistance welded pipe, and laser welded pipe
 Under 30mm 【0.3mm Under 2mm 【0.2mm —
30mm or over 【1% 2mm or over 【10%
Tests:
Chemical analysis
Tensile test
Flattening test
Austenitic grain size test
Hydraulic test or nondestructive examination