309S Seamless Stainless Steel Square Tube
The main chemical composition of 309S stainless steel includes about 22-24% chromium (Cr), about 12-15% nickel (Ni), a small amount of silicon (Si), a small amount of carbon (C), manganese (Mn) and other elements, as well as other trace elements. Its high chromium and nickel content gives it good corrosion resistance at high temperatures.
Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of 309s seamless stainless steel square tube in China, also supports customized service with low price. Welcome to wholesale discount 309s seamless stainless steel square tube for sale here from our factory. Contact us for free sample.
Thermal expansion matching refers to the extent to which a material matches the coefficient of expansion of the surrounding environment or other materials when subjected to thermal expansion. In high-temperature environments, materials expand as a result of elevated temperatures, and different materials may have different coefficients of thermal expansion, which can lead to stress concentrations, distortion, and other problems.
The fact that 309 stainless steel is a better match for some high temperature alloys in terms of coefficient of thermal expansion means that in some applications where 309 stainless steel is joined or used in conjunction with these high temperature alloys, there may be fewer problems with stresses due to temperature changes due to the better match in thermal expansion. This is an important consideration in the design and manufacture of high temperature equipment to ensure structural stability under temperature changes.
Product Properties
|
Product Name |
Seamless Stainless steel square tube |
|
Grade |
309S |
| Standard | ASTM A959 |
|
shape |
Round/Square |
|
Length |
10m-12m,12m or as customer's actual reques. |
|
Package |
In Bulk, in Bunddle, in Water Proof Plastic Wrapped or Customized |
|
Surface Treatment |
Transparent oil,anti-rust oil According to clients requirement |
|
Application |
Machine parts, automation equipment, food and medical devices, automotive industry.etc. |
| Payment Terms |
T/T, D/A, D/P, L/C, Western Union, MoneyGram,According to customer requirements |
| Delivery Time |
Within 7 days, According to the quantity ordered by the customer. |
Company Advantage
As an international experienced and professional supplier, our company has been engaged in the steel business for more than ten years. We can provide our customers with a variety of high quality steel products.
Best service with 24 hours reply and high quality products.
Friendship and trustworthiness, committed to providing long-term service customers for our valued clients.
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FAQ
1.Q.Why choose Gnee?
A.With us, you will get the most competitive price, guaranteed quality, guaranteed delivery and after-sales service.
2.Q.Can your products be customized?
A.We can make most arades and specifications.meet your different requirement.
3.Q: How do your guarantee the quality?
A: Before mass production, there must be pre-production samples; before shipment, there must be final inspection.
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