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Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters

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Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters

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

25mm stainless steel 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.

Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters 0

 

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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Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters 3 

 

 

 

Reference Documents:

ASTM STANDARDS

ASTM A262     Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels

 

ASTM A480 / A480 M     Specification for General Requirements for Flat-Rolled Stainless and Heat-

                        Resisting Steel Plate, Sheet and Strip,

 

ASTM A941     Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys.

 

ASTM A1016/ A1016 M  Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy

                        Steels, and Stainless Steel Tubes.

 

ASTM E527     Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

 

SAE J1086      Practice for Numbering Metals and Alloys (UNS)

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