904l Stainless Steel Round Bar

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904l Stainless Steel Round Bar
What is 904l stainless steel round bar?

An austenitic round bar made of grade 904l which has a smooth surface and also do not require high strength works is 904l stainless steel round bar.This round bar also comes with an added property of excellent resistance to wide range of corrosive environments.

Grade 904l round bars have melting point range of 2371-2534oF.They also exhibit tensile strength of 490 Mpa, with the minimum yield strength of 220 Mpa and elongation of 36%.It has chemical composition comprising 23-28% nickel, 19-23% chromium, 4-5% molybdenum, 1-2% copper and 2% manganese.

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We are one of India's largest and best-quality suppliers of ss 904L rod and hex bar from reputable mills, review its heat treatment

Is it possible to heat treat 904l round bar?

Yes, we can solution-treat stainless steel 904L rod in the temperature range of 1994-2147oF.This process is also accompanied or associated with rapid cooling.Adding to this, if we want to enhance or harden these grades, thermal treatment can be performed too.

Why spend more when ASTM B649 UNS N08904 rectangular and flat bar is available here in the precise size?read its maintenance details here

Stainless steel 904l rod

Stainless steel 904l rod

DIN 1.4539 flat bar

DIN 1.4539 flat bar

UNS N08904 hex bar

UNS N08904 hex bar

Does stainless steel 904L rod rust over time?how should it maintained correctly?

Not only stainless steel 904L rod provides resistance to corrosion to wide range of environments, it also offers excellent resistance to seawater and chloride attacks.This excellent resistance capacity comes because of the high amounts of nickel in their compositions.

In addition to this, presence of copper also ensures that this rod provides resistance to sulphuric acids and also, in mild and aggressive conditions, it also offers resistance to reducing agents.

These are some of the reasons why they do not rust and last for a long period of time and are widely demanded for wiring in electrostatic precipitators, industries processing pulp and papers, gas scrubbing plants, and oil refinery components, where maintenance factor is also reduced as this rod requires minimum maintenance.

As stockist we offer DIN 1.4539 Square bar in sizes ranging from 0.250″ to 14.000″ at a competitive price in Mumbai for chemical process industry , see specification chart

904l stainless steel round bar specification
904l stainless steel round bar specification

Length Diameter Condition
upto 12" or custom 1/2 to 13" cold drawn, annealed, turned etc
Application Specification Form
chemical process industry ASTM B649/ ASME SB649 Round, Hex, Square, Rectangular etc
If you need any assistance with alloy 904L bright and annealed bar requirements to complete your project, please contact us, check other types
Most selling types of 904l round bar
SS 904l square bar

SS 904l square bar

  • ASTM B649 | ASME SB649
  • Dia: 3 to 800mm
  • Tolerance: K9 to K12
904l stainless steel bar

904l stainless steel bar

  • Polish
  • Bright
  • Rough Turned
904l ss rectangular bar

904l ss rectangular bar

  • Annealed
  • Precipitation hardened.
  • Hardened and tempered.
As a leading 904l round bar supplier we provide stainless steel 904L cold drawn and hot rolled bar with value-added services together with a variety of thicknesses, learn more about its technical properties
Stainless steel 904l rod chemical properties
Grade P C Si CU Mn S Ni Cr MO
904L Min 1.00 23.00 19.0 4.00
max 0.045 0.20 1.00 2.00 2.00 0.035 28.00 23.0 5.00
DIN 1.4539 flat bar equivalent
STANDARD UNS EN JIS WERKSTOFF NR. AFNOR BS KS
SS 904L N08904 X1NiCrMoCu25-20-5 SUS 890L 1.4539 Z2 NCDU 25-20 904S13 STS 317J5L
UNS N08904 hex bar mechanical properties
Density 8.0 g/cm3
Melting Point 1454 °C (2650 °F)
Tensile Strength Psi – 75000 , MPa – 515
Yield Strength (0.2%Offset) Psi – 30000 , MPa – 205
Elongation 35 %
Which surface finish is best for a SS 904 bar that will be used in a marine environment?

904l stainless steel bar come up with the surface finish, such as hot rolled, cold rolled, polished and mirror finished.Because they have molecular structure and added smooth finish, they are also known by the name of bright bars.

Since this bar comprises varied composition of nickel, molybdenum and chromium, they exhibit excellent mechanical properties, along with high durability and strength.They also yield excellent weldability characteristics.Hence these are the reasons it is an ideal use case in marine environments.

What is the minimum order quantity for UNS N08904 hex bar?

While purchasing ASTM B649 UNS N08904 hex bar you must firstly understand what are the properties that it delivers and does it satisfy your needs and standards.The quantity factor for this bar depends entirely upon the availability and the demanded quantity Irrespective of the quantity, be it small or in bulk amounts, we at regentsteel.com would help you provide reasonable pricing that can suffice your needs.

We have also provided detailed information about this product right starting from their chemical compositions to their use case so that you can also get a clear picture on how it works and what needs can be fulfilled.

What are additional processing services for DIN 1.4539 flat bar?

Below are some of the processing services for DIN 1.4539 flat bars:

  • Heat treatment: In order to alter mechanical or physical properties, heat can be applied to the flat bars to meet industrial needs and expectations.
  • polishing: to provide charm, we make use of some of the most common polishing techniques which for enriching the surface of the material.
  • Centreless grinding method: for enhancing the tolerance and the surface quality, this is a process which uses outside diameter of 904l stainless steel rounds for the purpose of grinding.
  • Chamfering: another processing service involves in the grinding of end bars in order to remove edge blurs.This is done in order to improve the performance in automatically fed tuning machines.
Sizes of SS 904l hex bar
Wt per Ft Size in Inches Wt per 12′
0.180 1/4″ 2.160
0.104 3/16″ 1.248
0.290 5/16″ 3.480
0.104 3/16″ 1.248
0.560 7/16″ 6.72
0.625 3/8″ 4.920
0.740 1/2″ 8.880
1.150 5/8″ 13.80
0.930 9/16″ 11.16
1.660 3/4″ 19.92
1.390 11/16″ 16.68
1.950 13/16″ 23.40
2.625 15/16″ 31.20
2.300 7/8″ 27.60
2.90 1″ 34.80
3.700 1-1/8″ 44.40
3.30 1-1/16″ 39.60
4.625 1-1/4″ 55.20
5.625 1-3/8″ 67.20
5.100 1-5/16″ 61.20
6.100 1-7/16″ 73.20
7.800 1-5/8″ 93.60
18.42 2-1/2″ 221.04
6.625 1-1/2″ 79.20
9.030 1-3/4″ 108.36
11.80 2″ 141.60
10.400 1-7/8″ 124.80
16.920 2-3/8″ 203.04
14.920 2-1/4″ 179.04
26.53 3″ 318.36
Size chart of 904l stainless steel bar
Metric Japanese US Bar Canadian/ASTM
Diam.(mm) Bar Size Diameter (mm) Bar Size Diam.(Inch) Bar Size Diameter (mm2) Bar Size
6 6 13 13 0.500 #4 300 20M
5 5 6 6 0.250 #2 100 10M
7 7 16 16 0.625 #5 500 25M
5.5 5.5 10 10 0.375 #3 200 15M
8 8 19 19 0.750 #6 700 30M
10 10 25 25 1.000 #8 1500 45M
9 9 22 22 0.875 #7 1000 35M
50 50
11 11 29 29 1.125 #9 2500 55M
14 14 35 35 1.375 #11
12 12 32 32 1.250 #10
16 16 38 38 1.500 #12
20 20 44 44 1.750 #14
22 22 48 48 1.875 #15
18 18 41 41 1.625 #13
28 28 57 57 2.250 #18
25 25 51 51 2.000 #16
32 32
40 40
36 36
44 44
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