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http://904L%20Stainless%20Steel%20Round%20Bar%204
http://904L%20Stainless%20Steel%20Round%20Bar%201
http://904L%20Stainless%20Steel%20Round%20Bar%202
http://904L%20Stainless%20Steel%20Round%20Bar%203
http://316L%20Stainless%20Steel%20Bar

904L Stainless Steel Round Bar

904L stainless steel is a super austenitic stainless steel, and its corresponding national standard old grade is 0Cr20Ni25SiMn4.5Cu, and the new brand is 015Cr21Ni26SiMo5Cu2. In the United States, it is classified as UNS N08904 and in Germany as 1.4539, also known as AISI 904L. In addition, 904L stainless steel contains 14.0-18.0% chromium, 24.0-26.0% nickel, and 4.5% molybdenum. 904L stainless steel round bar has good activation-passivation conversion ability, excellent corrosion resistance, good corrosion resistance in non-oxidizing acids such as sulfuric acid, acetic acid, formic acid, phosphoric acid, good pitting resistance in neutral chloride-containing media, and good crevice corrosion resistance and stress corrosion resistance.
Product Name: 904L Stainless Steel Round Bar
Specifications: ASTM A276, ASME SA276 / ASTM A479 ASME SA479
Standard: EN, DIN, JIS, ASTM, BS, ASME, AISI
Shape: Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wiremesh, Billet, Ingot, Forging Etc.
Finish: Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Outside Diameter: 4mm to 500mm
Length: 1 to 6 Meters, Custom Cut Lengths
MOQ: 1 Ton
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    Introduction

    904L stainless steel round bar is a super austenitic stainless steel, and its domestic grade is 00Cr20Ni25Mo4.5Cu. It has a high chromium content and sufficient nickel content, and by adding copper, the material is highly resistant to acids, especially chloride interstitial corrosion and stress corrosion chipping. In addition, 904L is a completely austenitic structure, and is insensitive to the precipitation of ferrite and α phases compared to austenitic stainless steels with a general high molybdenum content.

    In terms of physical and mechanical properties, the density of 904L stainless steel rod is 8.0g/cm3, the tensile strength σb≥520Mpa, and the elongation δ≥35%. Since the carbon content of 904L is very low (0.020% max), there will be no carbide precipitation in the case of general heat treatment and welding, eliminating the danger of intergranular corrosion that occurs after general heat treatment and welding.

    Application:

    1. Chemical, pharmaceutical, ocean engineering and other fields: 904L stainless steel bar has excellent corrosion resistance, whether in strong acid, strong alkali, seawater or high temperature environment, can show excellent corrosion resistance. Therefore, it is widely used in the production and storage of chemical substances such as sulfuric acid, alcohol, chloride and nitric acid in acidic environments, as well as marine equipment manufacturing and diving equipment.
    2. Petroleum and petrochemical equipment: Because it can withstand severe working environments such as high temperature, high pressure, and strong acids, and shows excellent corrosion resistance and wear resistance, it is widely used in containers, pipelines, valves, and other components in the chemical production process.
    3. Flue gas desulphurisation device of power plant: it is often used in the tower of absorption tower, flue, stall door plate, inner parts, spraying system, etc. Because of its superior corrosion resistance in high temperature, high humidity and strong acid environment, it is able to maintain the long-term stable operation of the equipment.
    4. Scrubber and fan in organic acid treatment system, seawater treatment device, seawater heat exchanger, paper industry equipment, sulfuric acid, nitric acid equipment, acid production, pharmaceutical industry.
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    Application 904


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    Quanshuo Metal Materials Co., Ltd. is a leading supplier of steel and other metal products in China. As an ISO9001:2015 certified enterprise, the products we produce meet the standards of ASTM, AISI, BS, DIN, JIS, etc.



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