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Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters

Large Image : Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters

Product Details:

Place of Origin:	China
Brand Name:	Torich
Certification:	ISO 9001:2008 , TS16949 , KR , RINA
Model Number:	ASTM A688

Payment & Shipping Terms:

Minimum Order Quantity:	5MT
Price:	negotiable
Packaging Details:	In bundles or wooden boxes
Delivery Time:	30~45days
Payment Terms:	L/C, T/T
Supply Ability:	6000MT/Month

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Detailed Product Description

Dimension::	OD 230mm WT≥0.7mm	Section Shape::	Round
Product Name::	Stainless Steel Tube	Grade::	TP304/304L/304LN , TP316/316L/316LN
High Light:	stainless steel round tube , large diameter stainless steel tube

Dimension::

OD 230mm WT≥0.7mm

Section Shape::

Round

Product Name::

Stainless Steel Tube

Grade::

TP304/304L/304LN , TP316/316L/316LN

High Light:

stainless steel round tube

large diameter stainless steel tube

ASTM A688 TP304/304L/304LN , TP316/316L/316LN Welded Austenitic Stainless Steel Feed warter Heater Tubes

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

Material and Manufacture:

Tubes are made from Flat-rolled steel by automatic welding process.

Subsequent to welding and prior to final heat treatment, the tubes are cold drawn or cold rolled

The tubes are ready for U-bending after annealed, according to customer's drawing and design.

Surface Condition:

The tubes are pickled in nitric and hydrofluoric acids.

Bright annealing.

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

Tensil 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

Group	Size, Outside Diameter, in(mm)	Permissible Variations in Outside Diameter, in.[mm]	Permissible Variations in WT, %	PermisibleVariations 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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