Stainless Steel Welded Tubes - DANYAL PIPELINES

Specification:

Stainless steel welded tube as per ASTM A269/ASME SA269 and ASTM A249 and ASTM A358 with normal grades of austenitic stainless steel such as 304,304L,316, 316L, 321 and duplex stainless steel S31803 and S32205 as per ASTM A789 and ASTM A790

Application:

The stainless tubes are used extensively in the industries of Process, Chemical, Petrochemical, Pharmaceutical and food industries, they can also be used in certain pressure vessels.

Size:

From 12mm to 813mm (NPS ¼” –DN8 to NPS 32” –DN800) Outside diameter with a full pipes schedules ranging from SCH5S through double extra heavy

Packing:

Beveled/Polishing /plastic caps/in bundles/steel strips/wooden box/

accordance with customer requirements.

Seamless Pipes Grade:

Corrosion Resistant Austenitic Stainless Steel Seamless Tube
ASTM	UNS	EN	DIN	JIS	GOST	GB
304	S30400	X5CrNi18-10	1.4301	SUS304	—	06Cr19Ni10
304L	S30403	X2CrNi19-11	1.4307	SUS304L	—	022Cr19Ni10
316	S31600	X5CrNiMo17-12-2	1.4401	SUS316	—	06Cr17Ni12Mo2
316L	S31603	X2CrNiMo18-14-3	1.4404	SUS316L	03X17H14M3	022Cr17Ni12Mo2
321	S32100	X6CrNiTi18-10	1.4541	SUS321	—	06Cr18Ni11Ti

Heat Resistant Austenitic Stainless Steel Seamless Tube
ASTM	UNS	EN	DIN	JIS	GOST	GB
S31803	S31803	—	1.4462	—	—	022Cr22Ni5MoN
S32205	S32205	—	1.4462	—	—	022Cr22Ni5MoN

Seamless Tube Chemical Properties:

Grade	C	Si	Mn	P	S	Ni	Cr	Mo	N
TP304	≤ 0.08	≤ 1.00	≤ 2	≤ 0.045	≤ 0.030	8.0-11.0	18.0-20.0	—
TP304L	≤ 0.035	≤ 1.00	≤ 2	≤ 0.045	≤ 0.030	8.0-13.0	18.0-20.0	—
TP321	≤ 0.080	≤ 1.00	≤ 2	≤ 0.045	≤ 0.030	9.0-12.0	17.0-19.0	—
TP316	≤ 0.080	≤ 1.00	≤ 2	≤ 0.045	≤ 0.030	10.0-14.0	16.0-18.0	2.00-3.00
TP316L	≤ 0.035	≤ 1.00	≤ 2	≤ 0.045	≤ 0.030	10.0-14.0	16.0-18.0	2.00-3.00
S31803	≤ 0.030	≤ 1.00	≤ 2	≤ 0.030	≤ 0.020	4.5-6.5	21.0-23.0	2.5-3.5	0.08-0.20
S32205	≤ 0.030	≤ 1.00	≤ 2	≤ 0.030	≤ 0.020	4.5-6.5	22.0-23.0	3.0-3.5	0.14-0.20