YUHONG GROUP CO.,LIMITED

86-574-88013900

Home > Recommended
Product Categories
Online Service

China Cheap price for 304 Stainless Steel Seamless Tube ASTM B677 NO8904 / 904L, 1.4539, Stainless Steel Seamless Tube supply to Faroe Islands Exporter

  • Product Detail
  • Product Tags
  • Buyer Reviews

Top quality comes first; services is foremost; organization is cooperation" is our small business philosophy which is regularly observed and pursued by our company for ASTM B677 TP904L Seamless Pipe,B677 UNS N08904 Seamless Tube,904L Seamless Tube. Our mission is usually to enable you to build long-lasting associations with your shoppers by the power of marketing products and solutions.

China Cheap price for 304 Stainless Steel Seamless Tube ASTM B677 NO8904 / 904L, 1.4539, Stainless Steel Seamless Tube supply to Faroe Islands Exporter

ASTM B677 UNS NO8904 / 904L, 1.4539, Stainless Steel Seamless Tube


 
904L Stainless Steel Pipes and Tubes
904L is a non-stabilised low carbon high alloy austenitic stainless steel. The addition of copper to this grade gives it greatly improved resistance to strong reducing acids, particularly sulphuric acid. It is also highly resistant to chloride attack - both pitting / crevice corrosion and stress corrosion cracking. This grade is non-magnetic in all conditions and has excellent weldability and formability. The austenitic structure also gives this grade excellent toughness, even down to cryogenic temperatures. 904L does have very substantial contents of the high cost ingredients nickel and molybdenum. Many of the applications in which this grade has previously performed well can now be fulfilled at lower cost by duplex stainless steel 2205 (S31803 or S32205), so it is used less commonly than in the past.
ASTM B 677 NO8904 / 904L , ASTM B366 NO8904 / 904L, 1.4539, Stainless Steel Seamless Tube

 

904L Stainless Steel Pipes and Tubes Product Range 
904L Stainless Steel Pipes and Tubes Specifications: ASTM A/ASME SA 269/677 904L Stainless Steel Pipes and Tubes Sizes (Seamless): 1/2" NB - 8" NB
904L Stainless Steel Pipes and Tubes Sizes (ERW): 1/2" NB - 24" NB
904L Stainless Steel Pipes and Tubes Sizes (EFW): 6" NB - 100" NB  
904L Stainless Steel Pipes and Tubes Wall Thickness available:
Schedule 5S - Schedule XXS (heavier on request)

 904L Stainless Steel Pipes and Tubes Other Materials Testing:
 NACE MR0175, H2 SERVICE, OXYGEN SERVICE, CRYO SERVICE, etc.
904L Stainless Steel Pipes and Tubes Dimensions:
 All Pipes is manufactured and inspected/tested to the relevant standards including ASTM, ASME and API etc.

Key Properties
These properties are specified for flat rolled product (plate, sheet and coil) in ASTM B625. Similar but not necessarily identical properties are specified for other products such as pipe, tube and bar in their respective specifications.
Composition
Table 1. Composition ranges for 904L grade of stainless steels.


Grade

C

Mn

Si

P

S

Cr

Mo

Ni

Cu

904L

min.
max.

-
0.020

-
2.00

-
1.00

-
0.045

-
0.035

19.0
23.0

4.0
5.0

23.0
28.0

1.0
2.0

                     

Mechanical Properties
Table 2. Mechanical properties of 904L grade stainless steels.


Grade

Tensile Strength (MPa) min

Yield Strength 0.2% Proof (MPa) min

Elongation (% in 50mm) min

Hardness

Rockwell B (HR B)

Brinell (HB)

904L

490

220

35

70-90 typical

-

Rockwell Hardness value range is typical only; other values are specified limits.

Physical Properties
Table 3. Typical physical properties for 904L grade stainless steels.


Grade

Density
(kg/m3)

Elastic Modulus
(GPa)

Mean Co-eff of Thermal Expansion (m/m/C)

Thermal Conductivity
(W/m.K)

Specific Heat 0-100C
(J/kg.K)

Elec Resistivity
(n.m)

0-100C

0-315C

0-538C

At 20C

At 500C

904L

8000

200

15

-

-

13

-

500

850

Grade Specification Comparison
Table 4. Grade specifications for 904L grade stainless steels.


Grade

UNS No

Old British

Euronorm

Swedish SS

Japanese JIS

BS

En

No

Name

904L

N08904

904S13

-

1.4539

X1NiCrMoCuN25-20-5

2562

-

These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.

Possible Alternative Grades
Table 5. Possible alternative grades to 904L stainless steel.

 


Grade

Why it might be chosen instead of 904L

316L

A lower cost alternative, but with much lower corrosion resistance.

6Mo

A higher resistance to pitting and crevice corrosion resistance is needed.

2205

A very similar corrosion resistance, with the 2205 having higher mechanical strength, and at a lower cost to 904L. (2205 not suitable for temperatures above 300C.)

Super duplex

Higher corrosion resistance is needed, together with a higher strength than 904L.

 

Corrosion Resistance
Although originally developed for its resistance to sulphuric acid it also has a very high resistance to a wide range of environments. A PRE of 35 indicates that the material has good resistance to warm sea water and other high chloride environments. High nickel content results in a much better resistance to stress corrosion cracking than the standard austenitic grades. Copper adds resistance to sulphuric and other reducing acids, particularly in the very aggressive "mid concentration" range.
In most environments 904L has a corrosion performance intermediate between the standard austenitic grade 316L and the very highly alloyed 6% molybdenum and similar "super austenitic" grades.
In aggressive nitric acid 904L has less resistance than molybdenum-free grades such as 904LL and 310L.
For maximum stress corrosion cracking resistance in critical environments the steel should be solution treated after cold work.
Heat Resistance
Good resistance to oxidation, but like other highly alloyed grades suffers from structural instability (precipitation of brittle phases such as sigma) at elevated temperatures. 904L should not be used above about 400C.
Heat Treatment
Solution Treatment (Annealing) - heat to 1090-1175C and cool rapidly. This grade cannot be hardened by thermal treatment.
Welding
904L can be successfully welded by all standard methods. Care needs to be taken as this grade solidifies fully austenitic, so is susceptible to hot cracking, particularly in constrained weldments. No pre-heat should be used and in most cases post weld heat treatment is also not required. AS 1554.6 pre-qualifies Grade 904L rods and electrodes for welding of 904L.
Fabrication
904L is a high purity, low sulphur grade, and as such will not machine well. Despite this the grade can be machined using standard techniques.
Bending to a small radius is readily carried out. In most cases this is performed cold. Subsequent annealing is generally not required, although it should be considered if the fabrication is to be used in an environment where severe stress corrosion cracking conditions are anticipated.

 

Applications

  • Typical applications include
  • Processing plant for sulphuric, phosphoric and acetic acids
  • Pulp and paper processing
  • Components in gas scrubbing plants
  • Seawater cooling equipment
  • Oil refinery components
  • Wires in electrostatic precipitators

904L
Chemical Composition %

C Cr Cu Mn Mo Ni P S Si
Max     Max     Max Max Max
0.02 19.0-23.0 1.0-2.0 2.0 4.0-5.0 23.0-28.0 0.045 0.035 1.0


AVAILABILITY
Seamless Pipe 1/2" W
SPECIFICATIONS
ASTM B677, B366
ASME SB677, SB366


DESIGN FEATURES
Good resistance to pitting and crevice corrosion.
Very good resistance to stress corrosion cracking.
Good resistance to intergranular corrosion.
Good formability and weldability.
Maximum service temperatures of
450 deg.C. (824 deg.F).

TYPICAL APPLICATIONS
Production and transport of sulfuric acid
Metal pickling in sulfuric acid
Production and concentration of phosphoric acid
Use in seawater, brackish water, condensers, heat exchangers and pipe work in general
Paper and allied industries
Gas washing
Chemical and pharmaceutical industries

TENSILE REQUIREMENTS
Tensile Strength (KSI) 70
Yield Strength (KSI) 25
KSI can be converted to MPA (Megapascals) by multiplying by 6.895.

 

Some of the quality tests carried out by us includes:

Corrosion Test Conducted only when specially requested by the client
Chemical Analysis Test done as per required quality standards
Destructive / Mechanical Testing Tensile | Hardness | Flattening | Flare | Flange
Reverse-bend and Re. flat tests Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end
Eddy Current Testing Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System
Hydrostatic Testing 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s .
Air Under Pressure Test To check any evidence of air leakage
Visual Inspection After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections


Supplementary Testing : 
Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:

  • Eddy Current Testing
  • O.P Testing
  • Radiography Testing
  • Corrosion Testing
  • Micro Testing
  • Macro Testing
  • IGC Testing
  • Ultrasonic testing
  • Liquid Penetrate testing

"We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate inside our success for ASTM B677 NO8904 / 904L, 1.4539, Stainless Steel Seamless Tube. The product will supply to all over the world, such as: Sri Lanka,Faroe Islands,Palestine. We are one of the largest 100% manufacturers in China. Many large trading companies import products from us so we can give you the best price with the same quality if you are interested in us.

Email To This Supplier

Your message must be between 20-8000 characters

YOU MAY LIKE
  • astm 106 (annealed) seamless pipe

    astm a106b carbon seamless steel pipe Specifications Company Name Shandong Zhongxing Steelpipe Manufacturing Co Ltd Business Type Manufacturer Product Description Seamless Steel Pipe

    Ask PriceClick for details

  • astm a333 gr 6 seamless pipe,astm a106 meaning seamless pipe

    Specifications seamless pipe 1 seamless pipe manufacture 2 carbon alloy seamless steel pipe 3 seamless pipe with api iso approved 4 1T Product name astm a106 gr b 300mm seamless pipe made in china seamless pipe 1 seamless pipe manufacture 2 carbon alloy seamless steel pipe 3 seamless pipe with api iso approved 4 1Ton trial order for seamless pipe is accepted Description of Seamless

    Ask PriceClick for details

  • astm a106 sch160 seamless pipe

    astm a106 sch160 seamless pipe Standard of our astm a106 sch160 seamless pipe or other pipes ASTM A106 ASTM A53 ASME SA210 ASME SA213 DIN17175 GB T8162 2008 GB T8163 2008 GB6479 2000 GB9948 2006 GB5310 2008 JIS G3462 G3458 OD 6mm 720mm WT 2mm 40mm SCH40 XXS or others Payment T T OR L C What is Materials of our astm a106 sch160 seamless pipe or other pipes A53 A B A106 A B Q345 16Mn 10 20 45 S235JR S355JR ASTMA252 Gr 2 Gr 3 ST37 ST42 ST52 Gr B X42 X46 X52 X56 X60 X65 X70 etc Use For petroleum...

    Ask PriceClick for details

  • ASTM A106GR.B seamless pipe

    Specifications ASTM A106GR B seamless pipe 1 We specially produce seamless steel pipe 2 OD 1 2 36 WT 2 5 50mm 3 We have got API ce ASTM A106GR B seamless pipe ITEM CARBON STEEL SEAMLESS PIPE SEAMLESS STEEL PIPE STEEL PIPE HOT ROLLED STEEL PIPE BOLIER PIPE GRADE 10 20

    Ask PriceClick for details

  • ASTM A106 GRB SEAMLESS PIPE SCH 40 SCH60 SCH80

    Product Description SEAMLESS STEEL PIPE ASTM A106 GRB STANDARD API 5L API 5CT ASTM A106 ASTM A53 GB T8162 GB T8163 GB T5310 GB T3087 GB18248 STEEL GRADE GrA GrB X42 X70 Q345B ST37 ST37 2 10 20 J55 K55 N80 L80 T95 P110 Q125 AVAILABLE SIZES O D 21 3MM 610MM W T 6MM

    Ask PriceClick for details

  • astm a312 tp316l seamless pipe,seamless steel tubing

    Specifications astm a312 tp316l seamless pipe seamless steel tubing 1 Material 304 316L 2 OD 15mm 900mm 3 Thickness 2 60mm Product Description

    Ask PriceClick for details