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Welded Austenitic Stainless Steel Tube Astm A688 For Tubular Feed Water Heaters

Basic Information
Place of Origin: Zhejiang,China
Brand Name: TORICH
Certification: ISO 9001 ISO 14001 TS 16949
Model Number: ASTM A688
Minimum Order Quantity: 0.5 Ton
Price: negotiable
Packaging Details: Packing in wooden, hexagonal box or other seaworthy ways
Delivery Time: 15-30 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 10000 Ton/Year
Detail Information
Product Name:: TORICH ASTM A688 TP304/304L/304LN , TP316/316L Welded Austenitic Stainless Steel Tube For Tubular Feed Water Heaters Keyword:: Welded Stainless Steel Tubes
Material:: TP304/304L/304LN , TP316/316L Shape:: Round
Usage:: Feed Warter Heater Tubes OD:: 4-1200mm
WT:: 0.3-200m Length:: 1-12m
High Light:

stainless steel round tube

,

large diameter stainless steel tube


Product Description

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

 

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

 

 

 

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)

 

FAQ

Q: Are you trading company or manufacturer ?

A: A professional steel pipes materials inventor, manufacturer and solution provider

Q: How long is your delivery time?

A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
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Contact Details
Mike Lee

Phone Number : +8618958207750

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