• info@kanakratnasteelage.com
  • +(91)-9833663111

ASTM A789 UNS S31803 Seamless Tubing Overview


As a reputable ASTM A789 UNS S31803 seamless tubing manufacturer in India, we offer ASTM A789 tubing known for its superior material strength.

ASTM A789 UNS S31803 Seamless Tubing Overview

  • Seamless Pipe
  • Welded Pipe
  • Seamless Tube
  • Welded Tube
  • MTC
  • Brands
  • 3-600mm OD
  • 6-200mm OD
  • .125-2.00" OD
  • 6.35-114.3mm
  • EN 10204 3.1
  • DMV Stainless, Inox Tech, Tubacex
ASTM A789 UNS S31803 Seamless Tubing Standards
  • UNS: S31803
  • WNR: 1.4462
  • Specification: ASTM A789, ASME SA789
ASTM A789 UNS S31803 Seamless Tubing Standards

ASME SA789 S31803 Seamless Tubing Supplier in India for General Corrosive Service

ASME SA789 S31803 Seamless Tubing Applications
  • Oil and Gas
  • Chemical Processing
  • Desalination and Water Treatment
  • Heat Exchangers
  • Power Generation
  • Food Processing
  • Marine Environments
  • General Corrosive Service

ASTM A789 S31803 Seamless Tube

ASTM A789 S31803 Seamless Tube

A789 UNS S31803 Welded Tube

A789 UNS S31803 Welded Tube

A789 S31803 ERW Pipe

A789 S31803 ERW Pipe



ASTM A789 UNS S31803 Seamless Tubing Specification
Seamless Pipe Size

ASTM A789 S31803 Seamless Pipe Size

  • Outside Diameter: 3-600mm
  • Wall Thickness: 0.5-30mm
  • Length: 0.5- 12 meter
Welded Pipe Size

A789 UNS S31803 Welded Pipe Size

  • Outside Diameter: 6-200mm
  • Wall Thickness:0.35-6.00mm
  • Length: 0.5- 12 meter
Seamless Tube Size

A789 S31803 Seamless Tube Size

  • Outside Diameter: .125" to 2.00"
  • Wall Thickness: .028" to .072"
  • Length:custom/ cut to size

Welded Tube Size

ASME SA789 UNS S31803 Welded Tube Size

  • Outside Diameter:6.35 to 114.3 mm
  • Wall Thickness: 0.8 to 12.7 mm
  • Length:up to 26 Meters
Thick-Walled Pipe Sizes

ASME SA789 S31803 Thick-Walled Pipe Sizes

  • Outside Diameter: 10-600mm
  • Wall Thickness: 2.5 - 100mm
  • Length: 0.5- 12 meter
Capillary Tube Sizes

SA789 UNS S31803 Capillary Tube Sizes

  • Outside Diameter:0.4 to 16 mm
  • Wall Thickness:0.1 to 3 mm
  • Length:0.5 to 12 meter
Physical Properties

ASME SA789 Tube Physical Properties

  • Density: 8.80 g/cm³
  • Melting Point: 2370-2460° F
  • Temprature Range:up to 1000° F
Shape

SA789 S31803 Pipe Shape

  • Round
  • Square
  • Rectangle
Origin

A789 UNS S31803 Welded Pipe Origin

  • Japanese
  • Indian, Korean
  • European
  • American
Finish

SA789 S31803 Pipe Finish

  • Bright
  • Polished
  • Annealing
  • Pickling
Process

ASME SA789 Tube Process

  • Seamless
  • ERW
  • Welded
  • Redrawn
Pipe End

A789 UNS S31803 Pipe End

  • Threaded
  • Bevelled
  • Plain
  • Grooved
Marking

A789 S31803 Tube Marking

  • Nominal Size
  • Heat Number
  • Material Grade
  • Method of Manufacturing
Tube Form

ASME SA789 Tube Form

  • Hydraulic
  • Straight
  • Round
  • Coil 
Method

ASTM A789 S31803 Welded Tubing Method

  • Hot Formed
  • Precision Rolled
  • Cold Formed
Services

ASTM A789 Pipe Services

  • Polishing
  • Beveling
  • Threading

Renowned ASTM A789 UNS S31803 Seamless Tubing Supplier of top-grade materials, crafted for longevity and reliability.


Offer A789 UNS S31803 Welded Pipe with Size Range from 1/2" NB to 18" NB

ASTM A789 S32205 Capillary Tube Size Chart
Gauge Outside Diameter Tolerance mm Thin Wall (TW) mm Regular Wall (RW) mm Ultra Thin Wall (UTW) mm Extra Thin Wall (XTW) mm
30 0.304 - 0.317 - 0.064 - 0.089 - -
29 o.330 - 0.342 - 0.064 - 0.089 - -
28 0.355 - 0.368 - 0.076 - 0.102 - -
27 0.406 - 0.419 0.064 - 0.089 0.089 - 0.115 - -
26 0.457 - 0.469 - 0.089 - 0.114 - -
25 0.508 - 0.520 0.089 - 0.114 0.115 - 0.140 - -
24 0.558 - 0.571 0.089 - 0.114 0.114 - 0.140 0.051 - 0.102 -
23 0.635 - 0.647 0.089 - 0.114 0.140 - 0.165 0.051 - 0.102 -
22 0.711 - 0.723 0.096 - 0.121 0.140 - 0.165 0.051 - 0.102 0.077 - 0.102
21 0.812 - 0.825 0.102 - 0.127 0.140 - 0.165 0.051 - 0.102 -
20 0.901 - 0.914 0.108 - 0.134 0.108 - 0.165 - -
19 1.054 - 1.079 0.102 - 0.140 0.166 - 0.216 - 0.070 - 0.108
18 1.257 - 1.282 0.127 - 0.165 0.191 - 0.241 0.051 - 0.102 0.083 - 0.121
17 1.460 - 1.485 0.115 - 0.152 0.177 - 0.229 0.057 - 0.102 0.083 - 0.127
16 1.638 - 1.663 0.127 - 0.165 0.204 - 0.254 0.070 - 0.121 0.096 - 0.133
15 1.816 - 1.841 0.127 - 0.165 0.204 - 0.254 0.070 - 0.121 0.096 - 0.134
14 2.082 - 2.133 0.165 - 0.229 0.216 - 0.292 0.076 - 0.134 0.114 - 0.165
13 2.387 - 2.438 0.191 - 0.267 0.267 - 0.343 - -
12 2.743 - 2.749 - 0.267 - 0.321 - -
11 3.023 - 3.073 0.216 - 0.292 0.293 - 0.368 - -
10 3.378 - 3.429 0.216 - 0.292 0.318 - 0.394 - -

As a trusted ASTM A789 UNS S31803 Seamless Tubing Supplier in India, we deliver high-performance ASTM A789 Tube known for its excellent material strength .

Custom Size of SA789 UNS S31803 Austenitic Stainless Steel Tubing for Prolonged Periods at Elevated Temperatures

SA789 S31803 Condenser Tube Dimensions
Nominal Size (Inches) Outside Diameter (OD) [mm] Inside Diameter (ID) [mm] Wall Thickness (WT) [mm]
1" 25.40 23.90 0.75
3/8" 9.53 8.83 0.35
3/4" 19.05 18.05 0.50
1/2" 12.70 11.70 0.50
1-1/2" 38.10 36.10 1.00
1-1/4" 31.75 30.25 0.75
3" 76.20 73.20 1.50
1/4" 6.35 5.65 0.35
2-1/2" 63.50 60.50 1.50
2" 50.80 48.80 1.00
4" 101.60 97.60 2.00

Industry-leading ASTM A789 UNS S31803 Seamless Tubing Supplier known for consistent quality and robust construction.

SA789 UNS S31803 Pipe Heat Treatment Requirements
UNS Designation Temperature Quench
S31803 1870-2010 °F [1020-1100°C] Rapid cooling in air or water

Dependable ASTM A789 UNS S31803 Seamless Tubing Stockist with a focus on performance, safety, and innovation.

ASTM A789 UNS S31803 Tube Types
ASTM A789 UNS S31803 Seamless Tube

ASTM A789 UNS S31803 Seamless Tube

ASTM A789 S31803 Welded Tube

ASTM A789 S31803 Welded Tube

A789 UNS S31803 Boiler Tube

A789 UNS S31803 Boiler Tube

A789 S31803 Heat Exchanger Tube

A789 S31803 Heat Exchanger Tube

ASME SA789 UNS S31803 Superheater Tube

ASME SA789 UNS S31803 Superheater Tube

ASME SA789 S31803 Coil Tubing

ASME SA789 S31803 Coil Tubing

SA789 S31803 Capillary Tube

SA789 S31803 Capillary Tube

SA789 UNS S31803 Condenser Tube

SA789 UNS S31803 Condenser Tube

ASTM A789 Redrawn Tube

ASTM A789 Redrawn Tube

ASME SA789 Seamless Pipe

ASME SA789 Seamless Pipe

ASTM A789 UNS S31803 Welded Pipe

ASTM A789 UNS S31803 Welded Pipe

ASTM A789 S31803 ERW Pipe

ASTM A789 S31803 ERW Pipe

A789 UNS S31803 Annealed Pipe

A789 UNS S31803 Annealed Pipe

A789 S31803 Clad Pipe

A789 S31803 Clad Pipe

ASME SA789 UNS S31803 Exhaust Pipe

ASME SA789 UNS S31803 Exhaust Pipe

ASME SA789 S31803 Round Pipe

ASME SA789 S31803 Round Pipe

SA789 UNS S31803 Square Pipe

SA789 UNS S31803 Square Pipe

SA789 S31803 Rectangular Pipe

SA789 S31803 Rectangular Pipe

ASTM A789 Bright Annealed Pipe

ASTM A789 Bright Annealed Pipe

ASME SA789 Cold Drawn Pipe

ASME SA789 Cold Drawn Pipe

ASTM A789 S31803 Solution Annealed Pipe

ASTM A789 S31803 Solution Annealed Pipe


Certified ASTM A789 UNS S31803 Seamless Tubing Stockist of high-integrity products with proven resistance to fatigue.

SA789 S31803 Pipe Coatings
  • Thin Film Engineered Polymer Coatings
  • Curran 1000 T Hybrid Epoxy
  • Phenol Epoxy
  • Curralon ®
  • Sakaphen- Shell and tube heat exchanger lining
  • High Functionality Epoxy - Curran Coating
  • Curran 1000T
  • Novolac Epoxy
ASME SA789 UNS S31803 Welded Tubing Gauge Thickness
Gauge Typical Value (INCH) Thickness Range (INCH)
13 0.095 0.087 - 0.097
12 0.109 0.101 - 0.111
11 0.12 0.112 - 0.122
10 0.134 0.126 - 0.136
9 0.148 0.140 - 0.150
8 0.165 0.157 - 0.167
7 0.18 0.175 - 0.185
18 0.049 0.044 - 0.049
17 0.058 0.053 - 0.058
16 0.065 0.060 - 0.065
15 0.072 0.066 - 0.074
14 0.083 0.075 - 0.085
22 0.028 0.025 - 0.029
20 0.035 0.031 - 0.035
19 0.042 0.038 - 0.042
Get Annealed & Pickled Condition ASTM A789 S31803 Welded Tubing at Best Price
ASTM A789 S31803 Welded Tubing Price

Are You Trying to Find the Latest ASTM A789 S31803 Welded Tubing Price? Click Here

ASME SA 789 UNS S31803 Welded Tube Tolerances
O.D. Inches O.D. +/- Inches Wall Thickness Inches
1-1/2" to 2" incl. .010 .025 to .049
.011 Over .049 to .083
.012 Over .083 to .148
1/2" to 1" incl. .005 .025 to .065
.010 Over .065 to .134
1 to 1-1/2" incl. .008 .025 to .065
.010 Over .065 to .134
2" to 2-1/2" incl. .012 .032 to .065
.013 Over .065 to .109
.014 Over .109 to .165
2-1/2" to 3-1/2" incl. .014 .032 to .165
.020 Over .165 to .220
3-1/2" to 5" incl. .020 .083 to .165
.025 Over .165 to .220

Reliable ASTM A789 UNS S31803 Seamless Tubing Stockist with a commitment to innovation and product integrity.

SA789 UNS S31803 Austenitic SS Tubing Testing Reports
  • Chemical Reports
  • Mechanical Reports
  • PMI Test Reports
  • Visual Inspection Reports
  • NABL Approved Lab Reports
  • Destructive Test Report
  • Non Destructive Test Reports
  • 100% Radiography Test Report

ASTM A789 Seamless Ferritic Stainless Steel Tubing Tested with Nondestructive Electric Test
ASTM A789 Seamless Ferritic SS Tubing Testings
ASTM A789 Seamless Ferritic SS Tubing Testings

ASME SA789 Tube Equivalent
North America
UNS
(North America)

S31803

German
DIN
(German)

1.4462

A789 UNS S31803 Welded Pipe Chemical Composition

Nickel 4.5-6.5 %

Carbon0.03 %

Sulfur0.02 %

Manganese2 %

Silicon1 %

ASTM A789 S31803 Welded Tubing Mechanical Properties
Grade Yield strength, min ksi [MPa] Tensile strength, min, ksi [MPa] Elongation in 2 in., or 50mm, min,% Hardness, Max Brinell
S31803 65 [450] 90 [620] 25 290
Physical Properties of A789 UNS S31803 Welded Tube
Grade Density (kg/meter3) Elastic Modulus (GPa) Specific Heat 0-100°C ( J/kg.K) Electrical Resistivity (nΩ.m) Mean Co-efficent of Thermal Expansion (μm/meter/°C) Thermal Conductivity (W/m.K)
0 to 100°C 0 to 315°C 0 to 538°C at 100°C at 500°C
UNS S31803 782 190 418 8 13.7 14.2 - 19 -
Explore Nearby Locations for the Quickest Delivery Options
Dubai Riyadh Ras Al Khaimah Muscat
Al Khobar/ Abu Dhabi Al Jubail Ajman Saudi Arabia
Armenia Fujairah Doha Sharjah
Check Out Your Nearby Locations For Fastest Deliveries
Export to Shipping Time in Days Export to Shipping Time in Days Export to Shipping Time in Days
Indonesia
Indonesia
9 Nigeria
Nigeria
9 Australia
Australia
20
Qatar
Qatar
6 Philippines
Philippines
12 New Zealand
New Zealand
25
Kenya
Kenya
19 Europe
Europe
19 Cyprus
Cyprus
16
Singapore
Singapore
8 Netherlands
Netherlands
8 Lebanon
Lebanon
14
Tunisia
Tunisia
18 Thailand
Thailand
10 Vietnam
Vietnam
10
Oman
Oman
5 UAE
UAE
5 Iraq
Iraq
12
Russia
Russia
22 Algeria
Algeria
17 Tanzania
Tanzania
18
Buyer Questions

ASTM A789 UNS S31803 FAQs

What is ASTM A789 UNS S31803 Seamless Pipe made from?

It's a duplex stainless steel (austenitic-ferritic), manufactured and stocked by us to ASTM A789 specifications.

Which specifications does ASTM A789 S31803 Welded Ferritic Stainless Steel Tubing meet?

It meets ASTM A789 and UNS S31803 for chemical composition, mechanical properties and dimensional tolerance.

What sizes does A789 UNS S31803 Welded Pipe come in?

We supply standard mill sizes ex-stock, with custom cutting available on request.

Where does Kanakratna Steelage stock A789 S31803 Seamless Austenitic Stainless Steel Tubing from?

We stock and ship ex-Mumbai, India, with pan-India and international export delivery.

What determines ASME SA789 UNS S31803 Welded Tubing pricing?

Price depends on size, quantity, form, heat-treatment condition and current raw-material market rates.