Factory wholesale Stainless Coil Tubing - 321 hot rolled stainless steel coil – Huaxiao

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Factory wholesale Stainless Coil Tubing - 321 hot rolled stainless steel coil – Huaxiao Detail:

Sino Stainless Steel Capacity about 321/321H Hot rolled stainless steel coil ,321/321H HRC

Thickness: 1.2mm – 10mm

Width: 600mm – 2000mm, the narrowed products pls check in strip products

Max coil weight: 40MT

Coil ID: 508mm,610mm

Finish: NO.1, 1D, 2D, #1, hot rolled finished, black, Anneal and pickling, mill finish

321 Same grade from different country standard

1.4541  SUS321  S32168  S32100  06Cr18Ni11Ti  0Cr18Ni10Ti

321 Chemical component  ASTM A240 :

C≤0.08 Si 0.75  Mn 2.0 Cr 17.019.0 Ni 9.012.0, S ≤0.03 P ≤0.045 N: 0.1 , Ti : 5X(C+N)Min 0.70Max

321H Chemical component  ASTM A240 :

C0.040.1 Si 0.75  Mn 2.0 Cr 17.019.0 Ni 9.012.0, S ≤0.03 P ≤0.045 N: 0.1 , Ti : 4X(C+N)Min 0.70Max

321/321H  mechanical property ASTM A240 :

Tensile strength :  > 515 Mpa

Yield Strength :  >205 Mpa

Elongation (%):  > 40%

Hardness: < HRB95

Description about 321/321H stainless steel and comparison with normal 304

Both 304 and 321 are 300 series stainless steels and they have little difference in corrosion resistance. However, in the heat-resistant conditions of 500-600 degrees Celsius, 321 material stainless steel is mostly used. In addition, a heat-resistant steel has been specially developed abroad and is called 321H. Its carbon content is slightly higher than that of 321, similar to domestic 1Cr18Ni9Ti. The appropriate amount of Ti is added to the stainless steel to improve its resistance to intergranular corrosion. This is due to the fact that in the early stage of stainless steel production, because the smelting technology was not high enough to reduce the carbon content in the steel, it was only possible to achieve this by adding other elements. With the advancement of technology, it has been possible to produce low-carbon and ultra-low-carbon stainless steel varieties. Therefore, 304 materials have been widely used. At this time, the characteristics of heat resistance of 321 or 321H or 1Cr18Ni9Ti are apparent.

304 is 0Cr18Ni9Ti, 321 is based on 304 plus Ti to improve the tendency of intergranular corrosion.

321 stainless steel in which Ti exists as a stabilizing element, but it is also a hot-strength steel species, is much better than 316L in high temperature. 321 stainless steel in organic acids of different concentrations, different temperatures, especially in the oxidizing medium Good abrasion resistance, used to make linings and conveying pipes for wear-resistant acid containers and wear-resistant equipment.

321 stainless steel is a Ni-Cr-Mo type austenitic stainless steel, its performance is very similar to 304, but due to the addition of metallic titanium, it has a better resistance to grain boundary corrosion and high temperature strength. Due to the addition of metallic titanium, it effectively controls the formation of chromium carbide.

321 stainless steel has excellent stress Rupture performance and high temperature resistance (Creep Resistance) stress mechanical properties are better than 304 stainless steel.


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Factory wholesale Stainless Coil Tubing - 321 hot rolled stainless steel coil – Huaxiao detail pictures

Factory wholesale Stainless Coil Tubing - 321 hot rolled stainless steel coil – Huaxiao detail pictures


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We provide fantastic energy in top quality and advancement,merchandising,gross sales and marketing and operation for Factory wholesale Stainless Coil Tubing - 321 hot rolled stainless steel coil – Huaxiao, The product will supply to all over the world, such as: Rio de Janeiro, Norway, Finland, We solution have passed through the national skilled certification and been well received in our key industry. Our specialist engineering team will often be ready to serve you for consultation and feedback. We are able to also provide you with no cost samples to meet your needs. Best efforts will be produced to offer you the very best service and solutions. For anyone who is considering our business and solutions, please speak to us by sending us emails or get in touch with us right away. As a way to know our products and enterprise. lot more, you'll be able to come to our factory to find out it. We will constantly welcome guests from around the globe to our firm. o build enterprise. elations with us. Please really feel absolutely free to make contact with us for small business and we believe we will share the top trading practical experience with all our merchants.
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    5 Stars By Miguel from Swansea - 2018.12.28 15:18
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