JIS G3448 Stainless Steel Pipe

  The JIS G3448 standard is a specification for thin-walled stainless steel pipes, designed specifically for building equipment piping systems. Compared with conventional stainless steel pipes, its pipe wall is thinner and suitable for systems with working pressure <= 2MPa.

  Austenitic stainless steel: SUS 304 TPD, SUS 315J1TPD, SUS 315J2TPD, SUS 316TPD‌.

	C	S	P
SUS 304 TPD	<=0.08	<=0.03	<=0.045	<=2.00	<=1.00	18.00-20.00	8.00-10.50	-	-
SUS 315J1TPD	<=0.08	<=0.03	<=0.045	<=2.00	0.5-2.5	17.00-19.00	11.00-14.00	1.2-2.00	0.5-3.5
SUS 315J2TPD	<=0.08	<=0.03	<=0.045	<=2.00	2.5-4.0	17.00-20.50	11.00-14.00	0.5-1.5	0.5-3.5
SUS 316TPD‌	<=0.08	<=0.03	<=0.045	<=2.00	<=1.00	16.00-18.00	10.00-14.00	2.0-3.0	-

  1.Surface treatment‌:annealing (BK/BKS) or polishing (HL/NO.4).

  2.Heat treatment process: stress relief, normalizing, spheroidizing annealing, solution annealing, etc.

 

Application of JIS G3448 Stainless Steel Pipe

SUS 304 TPD
SUS 315J1TPD
SUS 315J2TPD
SUS 316TPD‌	Chloride corrosion resistance is better than SUS304, suitable for seawater desalination and chemical equipment

 

 

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