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Welded Stainless Steel Tube Supplier with Austenitic Stainless Steel for Feedwar ASTM A688

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Address: Daqiao Developing Zone Haiyan,Zhejiang Province,China

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Torich International Limited

Welded Stainless Steel Tube Supplier with Austenitic Stainless Steel for Feedwar ASTM A688

Country/Region	china
City & Province	zhejiang

Product Details

ASTM A688 Welded Austenitic Stainless Steel Feedwarter Heater Tubes

Applications: Heater
Size range: O.D.: 4.0-230mm W.T.:1-30mm L: according to customer requirement

Mechanical Requirement

Grade:	TP304	TP304L	TP304LN	TP316	TP316L	TP316LN	TP316LN	TPXM-29	TP304N
UNS	S30400	S30403	S30453	S31600	S31603	S31653	S31653	S24000	S30451
C, max	0.08	0.035	0.035	0.080	0.035	0.035	0.035	0.08	0.080
Mn, max	2.00	2.00	2.00	2.00	2.00	2.00	2.00	11.5-14.5	2.00
P, max	0.045	0.045	0.045	0.045	0.045	0.045	0.045	0.060	0.045
S, max	0.030	0.030	0.030	0.030	0.030	0.030	0.030	0.030	0.030
Si, max	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Ni	18.0-20.0	18.0-20.0	18.0-20.0	16.0-18.0	16.0-18.0	16.0-18.0	16.0-18.0	17.0-19.0	18.0-20.0
Cr	8.0-11.0	8.0-13.0	8.0-12.0	11.0-14.0	10.0-14.0	11.0-14.0	11.0-14.0	2.3-3.7	8.0-18.0
Mo	…	…	…	2.00-3.00	2.00-3.00	2.00-3.00	2.00-3.00	…	…
Nitrogen	…	…	…	…	…	…	…	…	…
Copper	…	…	…	…	…

Grade:	TP316N	…	…	…	…
UNS	S31651	N08367	N08926	S31254	S32654
C, max	0.070	0.030	0.020	0.020	0.020
Mn, max	2.00	2.00	2.00	1.00	2.0-4.0
P, max	0.045	0.040	0.030	0.030	0.030
S, max	0.030	0.030	0.010	0.100	0.005
Si, max	4.8-6.0	1.00	0.50	0.80	0.50
Ni	9.58.0	20.0-22.0	24.0-26.0	19.5-20.5	21.0-23.0
Cr	19.0-22.0	23.5-25.5	19.0-21.0	17.5-18.5	24.0-25.0
Mo	0.30-1.50	6.0-7.0	6.0-7.0	6.0-6.5	7.0-8.0
Nitrogen	…	…	…	…	0.45-0.55
Copper	…	…	…		0.30-0.60

Tensile Requirements

Grade and UNS	Tensile strength min ksi [Mpa]	Yield strength min ksi [Mpa]	Elongation in 2in or 50mm min %
304, 316 S30400, S31600	75 [515]	30 [205]	35
304L, 316L S30403, S31603	70 [485]	25 [175]	35
XM-29 S24000	100 [690]	55 [380]	35
304N, 316N S30451, S31651	80 [550]	35 [240]	20
304LN, 316LN S30453, S31653	75 [515]	30 [205]	35
N08367 t≤0.187	100 [690]	45 [310]	30
N08367 t＞0.187	95 [655]	45 [310]	30
N08926	94 [650]	45 [310]	35
S31254 t≤0.187	100 [690]	45 [310]	35
S21254 t＞0.187	95 [655]	45 [310]	35
S32654	120 [825]	65 [450]	40

Permissible Variations in Dimensions

Gro up	Size, Outside Diameter, in(mm)	Permissible Variations in Outside Diameter, in.[mm]	Permis sible Variatio ns in WT, %	Permisible Variations in Cut Length, in[mm] Over Under
1	Up to 1/2(12.7), excl	±0.005[0.13]	±15	1/8[3]	0
2	1/2 to 1 1/2(12.7 to 38.1 excl	±0.005[0.13]	±10	1/8[3]	0
3	1 1/2 to 3 1/2(38.1 to 88.9 excl	±0.010[0.25]	±10	3/16[5]	0
4	3 1/2 to 5 1/2(88.9 to 139.7 excl	±0.015[0.38]	±10	3/16[5]	0
5	5 1/2 to 5 1/2(139.7 to 230.2 excl	±0.030[0.76]	±10	3/16[5]	0

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