A240 304LN stainless plate victoria bc Exporter

Gangsteel produce and exported stainless steel plate ASTM A240 304LN UNS 30453, astm a240 304ln,astm a240 type 304ln,a240 304n material parts,a240-304ln machine parts,a240 304ln flat bar ,a240 304ln welded pipe.

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304ln steel

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This paper describes the methods used in combating corrosion as a result of all these factors. The expertise gained in optimizing the Nitric Acid Grade stainless-steel and its high quality and performance evaluation has been described. It has been emphasized that proper fabrication practices should be employed for the Nitric Acid Grade of stainless steels otherwise the advantages because of a clean and managed chemistry and microstructure may not be realized.

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The fracture toughness of the samples has been measured by the ball indentation approach and the outcomes are validated by conducting standard J-integral exams. It is revealed for the first time that the fracture toughness and ductility of AISI 304LN stainless-steel deteriorate significantly with elevated DOS, while the tensile power values stay almost unaltered. The outcomes have been critically mentioned in terms of the depletion of strong solution strengtheners, the nature of the grain boundary precipitations, and the strain-induced martensite formation with the increasing DOS of the 304LN stainless-steel. The tensile exams have been carried out at 5 completely different strain rates (0.0001, 0.001, 0.01, 0.1 and 1 s−1). The three above mentioned strategies, particularly, fractal analysis using box-counting, GLCM and RLS analysis are compared in terms of accuracy and computational time and amongst them the run length analysis shows one of the best result. Eight texture descriptors from the three texture analyses could possibly be extracted to correlate with the noticed mechanical properties.

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The floor hardness measured after the wear process generally elevated at larger loads as a result of subsurface strain-hardening, and deformation-induced martensitic transformation occurred during the wear course of. Surface roughness and weight losses had been discovered to increase with growing the load for each sensitized and non-sensitized samples.

304ln steel

The response to the diploma of sensitization, as a function of the kind and magnitude of stresses present within the matrix, was established via observations on modifications in microstructure, electrochemical properties and hardness measurements. Transmission electron microscopy and selected space diffraction affirm that sensitization occurred and Cr23C6 precipitates formed at grain boundaries. The results point out that the presence of tensile or compressive stresses, particularly above the yield stress of the metal, enhances sensitization.

  • It was clear that all precipitate phases had an opposed impact on impression vitality.
  • An understanding of these changes in impression vitality, power and ductility with time at temperature is clearly necessary to construct a failure assessment diagram appropriate to the current materials situation of in-service plant.
  • Tensile strength and ductility showed advanced patterns of behaviour, reflecting the precipitation kinetics and with different results famous at ambient and repair temperatures.
  • Methods of estimating properties with accuracy based upon non-damaging metallographic examination have demonstrable benefit in part life prediction, significantly when contemplating known or postulated defects.
  • For all of the alloys, the impact power decreased quickly with precipitation – often exhibiting a step-sensible pattern that matched the levels of precipitate formation and dissolution.
  • A new kind of corrosion-resistant austenitic Fe–Cr alloys, during which nitrogen is the only austenite stabilizing and concurrently hardening component, is offered.

The outcomes indicate that the lubrication was effective up to 15% of strain. Optical microscopy and x-ray diffraction studies indicated martensitic part transformation within the deformed specimens. The extent of phase transformation was decided by analyzing the XRD peaks utilizing built-in intensity of the corresponding phases. The results are correlated with the extent of deformation in the respective samples.

Gangsteel is the large factory who produce 304LN Stainless steel plate at China .304LN��S30453��UNS S30453��SUS304LN��1.4311��022Cr19Ni10N��00Cr18Ni10N. The adopt standard are GB/T24186-2009��GB/T20878-2007 ASTMA240/ASME SA-240 ASTMA276��ASTMA182/ASME SA-182��ASTMA312/ASMES A312��JISG4051��JISG4303��EN10028/2-2009

What is SUS304LN AND A240 304LN? SUS304LN corresponds to GB 00Cr18Ni10N and German DIN X2CrNiN1810. SUS304LN (18Cr-8Ni-N-low C) adds N to SUS304 steel to make it have the same performance as above. The purpose of SUS304LN stainless steel is the same as that of SUS304N1 steel, but its resistance to intergranular corrosion is better.
SUS304LN corresponds to GB 00Cr18Ni10N and German DIN X2CrNiN1810.

304LN stainless steel steel specifications: round bars, forged round bars, plates, sheets, forgings, plates, round bars, forged rounds, forgings, coils, strips, small round bars.304LN stainless steel steel price description: stainless steel, alloy steel sales price, mold steel price, steel price, sales price,304LN stainless steel The main nicknames of steel: stainless steel, alloy structural steel, structural steel, aluminum, steel, die steel, die material, wear-resistant plate.304LN stainless steel Metal material name: alloy steel, stainless steel, aluminum, spring steel, wear-resistant plate, high- steel, carbon steel., car light round, forged round, smooth round, cold rolled

which ensures good energy at excessive temperatures.SS 304LN is a nitrogen-strengthen version of SS 304. Uniaxial tensile exams had been performed on AISI austenitic chrome steel from − forty to 300 °C at a rate of 0.5 mm/min. Microstructure and mechanical properties of the deformed metal have been investigated by optical, scanning and transmission electron microscopies, x-ray diffraction, and microhardness testing. The yield energy, final tensile strength, elongation, and microhardness enhance with the decrease in the check temperature. The tensile fracture morphology has the dimple rupture function after low-temperature deformations and turns to a mix of transgranular fracture and dimple fracture after excessive-temperature ones.

Nickel is primarily used to realize a specific microstructure. In addition, it has a helpful impact on mechanical properties and certain forms of corrosion.

The presence of γ and α′-martensite on the deformed samples has been substantiated by some restricted using transmission electron microscopy. Understanding of deformation, fracture or fatigue behaviour of AISI 304LN grade stainless steel with reference to in-situ evolution of deformation induced martensite is necessary for the structural integrity of quite a few critical engineering components manufactured from this metal. The primary objective of this report is to current a concise overview on the state-of-the-artwork of those aspects based mostly on a series of investigations by the authors and their co-employees by way of over greater than a decade. The major experiments involved are dedication of tensile, fatigue and fracture behaviour of the metal using commonplace testing procedures. The associated structural and sub-structural changes within the deformation quantity or at local areas such as fracture surfaces or crack tips are characterized. The nature and quantity of DIM have been detected by way of microstructural evaluation, X-ray diffraction, hardness measurement, ferrofluid based technique, ferritoscope evaluation and TEM, along with extensive fractographic analysis by SEM. The Cr-wealthy precipitates on the interphase boundary in stainless steels not solely result in the sensitization, which further induces the intergranular corrosion and intergranular stress corrosion cracking, but also considerably deteriorate the ductility and toughness.

A240 304ln stainless steel plate supplier at China

  1. Gangsteel main grade is Main business: 440C, 2205, incoel718, suh660, 600 alloy, C276 alloy, Invar36, S31254, S30815, 11Cr17, S17400, F6NM, A286 alloy, Invar36, 0Cr17Ni4Cu4Nb, F6NM stainless steel, S21800, Nitronic60, S35750, S3276, high temperature alloys,


  1. What is ASTM A240 304LN Stainless steel plate?
    304LN stainless steel,Name: Austenitic stainless steel, Standards: AISI, ASTM, UNS Number: S30453 . 304LN features and applications: Austenitic stainless steel, equivalent to 00Cr19Ni10 or 0Cr18Ni10 in our country, is the most common stainless steel. It is often used to make home appliances and containers. It is also a heat-resistant steel. Our commonly used stainless steel kitchenware is made of 304. Stainless steel fasteners can also be made.

304 is a stainless-steel material of the American standard, astm is 304, uns is s30403, for Chinese 0ci19ni9, German standard w-nr 1.4301, Japan is sus304, the United Kingdom is 304s15

  1. Compared with 304L steel, 304LN adds N to improve the high strength and grain boundary corrosion resistance of structural parts.
  2. 304LN stainless steel use: structural use, chemical substance transport ship.

Hastelloy, duplex stainless steel, corrosion resistant alloy, precipitation hardening steel, Monel, Inconel, heat resistant alloy, martensitic stainless steel, austenitic stainless steel, special steel, special steel

A240 304LN chemical list

Content (%)

Chromium, Cr


Nickel, Ni


Manganese, Mn

2 max

Silicon, Si

1 max

Nitrogen, N


Phosphorous, P

0.045 max

Carbon, C

0.03 max

Sulfur, S

0.03 max

Iron, Fe



A240 304LN  Properties



Tensile strength

515 MPa

74694 psi

Yield strength

205 MPa

29732 psi

Elongation at break (in 50 mm)



Hardness, Brinell



Hardness, Rockwell B



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UR™ 304LN












< 0,030





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0,2 Y.S. – Rp 0,2min ASTM / EN

0,2 Y.S. – Rp 0,2(2) typical

UTS – Rm min ASTM / EN

UTS – Rm(2) typical value












Last revised

















Nitric Acid

Sulfuric Acid

Polymer & other acids


Pulp & Paper


Sea water & desalination

Fresh water & Tanks

Waste Water

Chemical Tanks

Cryogenic Tanks



Our production Equipment introduction 3500MM Steckel Mill

Walking-beam reheating furnace, high pressure descales, coiling furnace, edger, four-high reversing mill, ACC, coiling machine, hot leveler, disc-type cooling bed, on-line UT defect inspection device, cold leveler, shot blaster etc. Annual Production Capacity-steel plates:960,000 tons, steel coils:240,000 tons 。
3500production capacity and scope
1) Hot rolled steel plates :
Thickness :4.5 ~50 mm
Width:910 ~3,100 mm
Length:3,000 ~18,000 mm
Piece weight:max. 22.6 t
2) Hot rolled steel coil :
Thickness:4.5  ~25 mm
Width:1,600 ~3,000 mm
Piece weight:max. 45 t
Inner/Outer diameter:762 ~2,150 mm

A240 304LN stainless steel plate b&q Exporter

The crack development increment was thought of equal to the dimple size, which was measured by means of the mean intercept size of three dimensional our bodies or mean chord in house, L3. This investigation was performed to find out the reason for failure of a welded joint of a secondary superheater tube from a 140-MW thermal energy plant. Chemical analyses along with detailed optical microscopic examination of a secondary superheater tube were carried out to foretell the possible reason for failure. Microstructure of the secondary superheater tube welded between austenitic chrome steel to low alloy metal revealed presence of a thin layer of steel carbide along the weld interface which ultimately led to intergranular cracking at austenite grain boundaries. It was concluded that the formation of brittle carbide layer was because of migration of carbon at elevated temperature led to failure of the tube. This paper goals to gauge the dry sliding put on of AISI 304 austenitic chrome steel as a perform of the applied load. Samples of AISI 304 were warmth treated to precipitate Cr23C6 carbides in the grain boundaries, and the ensuing microstructure was in comparison with that of the non-sensitized samples.

A240 304LN stainless plate ring Exporter

HEE of types 304 and 316 stainless steels relied on the testing temperature, and the maximum HEE occurred at around 220K independent of the type of warmth remedy. The susceptibility of the materials to HEE was enhanced by the sensitization, that caused intergranular fracture, and was recovered upon a transition from the intergranular fracture to the transgranular fracture because A240 SS304LN supplier of desensitization. The pressure-induced martensite was noticed together with the carbides, each alongside the grain boundaries of the sensitized supplies. As a result of desensitization, the formation of martensite along the grain boundaries was inhibited.

Gangsteel supply 304ln stock steel plate. SUS304LN (18Cr-8Ni-N-low C) adds N to SUS304 steel to make it have the same performance as above. The purpose of SUS304LN stainless steel is the same as that of SUS304N1 steel, but its resistance to intergranular corrosion is better. If you have requirement, please contact us by email.

304ln steel