904L stainless steel

904L stainless steel consists of chromium, nickel, molybdenum and copper contents, these elements give type 904L stainless steel excellent properties to resist corrosion in dilute sulfuric acid because of addition of copper, 904L commonly is used in high pressure and corrosion environment where 316L and 317L perform poorly.

904L has high nickel composition with low carbon content, copper alloy adding improve its resistance to corrosion, the “L” in 904L stands for low carbon, it is typical Super Austenitic stainless steel, equivalent grades are DIN 1.4539 and UNS N08904, 904L has better properties than other austenitic stainless steels.

904L Stainless Steel Chemical Composition (Max %):

Grade Ni Cr Mo Cu C Mn Si P S Fe
904L 23 – 28 19 – 23 4 -5 1 – 2 0.02 2 1 0.045 0.035 Balance

904L Stainless Steel Mechanical Properties

Grade Tensile Strength, Min Yeild Strength, Min Elognation Hardness
904L 490 Mpa 215 Mpa 35% 90 HRB Max

904L Stainless Steel Physical Properties:

Grade Density
(Kg/M3)
Elastic Modulus
(GPa)
Mean Co-Eff Of
Thermal Expansion
(Μm/M/°C)
Thermal Conductivity
(W/M.K)
Specific Heat 0-100°C
(J/Kg.K)
Elec Resistivity
(NΩ.M)
0-100°C 0-315°C 0-538°C At 20°C At 500°C
904L 7900 190 15 11.5 500 952

904L Stainless Steel Properties

904L Stainless Steel Limitation

904L stainless steel price is expensive, due to high amount of molybdenum and nickel content, that leads to grade 904L is replaced by low cost grades, such as 316L, 317L, 2205, 6Mo and super duplex grades.

904L Stainless Steel Pipe Standards

904L Stainless Steel Tube Standards

904L Stainless steel fittings

904L Stainless steel fittings

904L Stainless steel pipes

904L Stainless steel pipes

904L heat exchanger tubes

904L heat exchanger tubes

904L Stainless Steel Applications

Because of above properties, 904L stainless steel pipe can be used in many applications, these range from utility scrubber assemblies to acid and fertilizer production equipment, pulp and paper processing, seawater cooling facilities. Used in processes containing sulfuric or phosphoric acids, 904L displays its excellent resistance to corrosion from those acids. The paper, gas, pharmaceutical and chemical industries also use 904L for its resistance and use to 400-450 degrees C. Alloy 904L tubing can be welded, machined, heat treated, annealed, hardened and cold worked for many purposes.

904L Stainless steel sheet

904L stainless steel sheet is a type of superaustenitic stainless steel that is designed for moderate to high corrosion resistance in a wide range of environments. It is known for its excellent resistance to reducing acids like sulphuric acid and its ability to withstand chlorides in the environment, which helps prevent pitting and crevice corrosion.

904L Stainless steel sheet

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904L Stainless steel PMI test

PMI test for 904L

904L Stainless steel PMI test

PMI test for 904L

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Discover the superior quality and corrosion resistance of 904L stainless steel bars.

904L stainless bar
904L stainless bar
904L stainless bar
904L stainless bar
904L stainless bar
904L stainless bar

304/304L Stainless Steel

304 Stainless is a low carbon (0.08% max) version of basic 18-8 also known as 302.

316/316L Stainless Steel

Type 316 is more resistant to atmospheric and other mild environments than Type 304.

310S Stainless Steel

310S Stainless Steel has excellent resistance to oxidation under constant temperatures to 2000°F.

317L Stainless Steel

317L is a molybdenum bearing austenitic chromium nickel steel similar to type 316, except the alloy content in 317L is somewhat higher.

321/321H Stainless Steel

Alloy 321 (UNS S32100) is a titanium stabilized austenitic stainless steel with good general corrosion resistance.

Stainless Steel 410

Type 410 is a martensitic stainless steel which is magnetic, resists corrosion in mild environents and has fairly good ductility.

SA213 TP347H Stainless Steel

ASTM A213 ASME SA-213 TP347H Seamless Steel Tubes contains NB-Cr-Ni austenitic stainless steel.

Duplex 2205 (UNS S31803)

Duplex 2205 (UNS S31803), or Avesta Sheffield 2205 is a ferritic-austenitic stainless steel.

Duplex 2507 (UNS S32750)

Duplex 2507 (UNS S32750) is a super duplex stainless steel with 25% chromium, 4% molybdenum..

Super Duplex UNS S32760

Material to UNS S32760 is described as a super duplex stainless steel with a microstructure of 50:50 austenite and ferrite.

SA 269 Stainless Steel

ASTM A269 / A269M Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

SA 249 Stainless Steel

ASME SA 249 Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes.

904L stainless steel

904L stainless steel consists of chromium, nickel, molybdenum and copper contents, these elements give type 904L...

06Cr19Ni10 stainless steel

06Cr19Ni10 stainless steel is a grade of stainless steel produced in accordance with the American ASTM standard.

【H】 Ceramic lined pipe

Ceramic lined pipe is made through self-propagating high-temperature synthesis (SHS) technique.

【H】 Cast basalt lined steel pipe

Cast basalt lined steel pipe is composed by lined with cast basalt pipe, outside steel pipe and cement mortar filling between the two layers.

【H】 Ceramic Tile Lined Pipes

Ceramic tile lined pipes have very uniform coating of specially formulated ceramic material that is affixed to the inner of the pipe.

【H】 Rare earth alloy wear-resistant pipe

The material of the rare earth alloy wear-resistant pipe is ZG40CrMnMoNiSiRe, which is also the grade of rare earth alloy steel.

【H】 Tubes Erosion Shields

Tubes Erosion Shields are used to protect boiler tubing from the highly erosive effects of high temperatures and pressures thereby greatly extending tube life.

【H】 ASTM A213 T91 Alloy Tube

The ASTM A213 T91 seamless tubes are primarily used for boiler, superheater, and heat-exchanger.

Ni-Hard Wearback Pipes Ni-Hard Wearback Pipes
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