
Type&Grade: | 400 series (410,420,430,439 436L,441 ) |
Factory: | Baosteel,Tisco,Lisco,Jisco or ZPSS |
Thickness: | 0.3mm~6mm cold rolled coil or sheets |
Width: | Coils standard width mill edge 1020/ 1240/1530 etc, strips width 500~750mm, or slit by coil. |
Length: | base on quantity needed |
Surface: | CR finish 2B 2D, after finish 8K Mirror, Hairline and NO.4 by coils |
P/T: | 30% T/T deposit,70% balance before shippment, Or L/C, NEGOCIATABLE |
Delivery time: | 15~30 days,negotiable |
Packing: | By fumigation wooden pallets, with water proof paper, seaworthy packing |
Min of qty: | 2MT |
Description
Type 439 is an 18% chromium, titanium stabilized ferritic stainless
steel with corrosion resistance similar to that of 304/304L
stainless steel. This grade may be used in the annealed, cold
formed or as-welded condition in applications where other stainless
steels such as Type 304/304L and Type 430 are used. Type 439 has
good weldability due to titanium stabilization and has excellent
resistance to stress corrosion cracking. Type 439 outperforms Type
409 in both oxidation and corrosion resistance and typical
applications include tubular manifolds and exhaust system
components.
Element | 439 |
Carbon | 0.030 |
Chromium | 17.0-19.0 |
Nickel | 0.50 |
Manganese | 1.00 |
Silicon | 1.00 |
Nitrogen | 0.030 |
Phosphorus | 0.040 |
Sulfur | 0.030 |
Aluminum | 0.15 |
Titanium | 0.20 +4(C+N) min 1.10 max |
Property | 439 |
Yield Strength, min. (ksi) | 30 |
Tensile Strength, min. (ksi) | 60 |
Elongation, min. (%) | 22 |
Hardness, max. (Rb) | 89 |
Property | 439 |
Density, lb/in3 | 0.278 |
Modulus of Elasticity, psi | 29.0 x 106 |
Coefficient of Thermal Expansion, 68-212˚F, /˚F | 5.6 x 10-6 |
Thermal Conductivity, Btu/ft hr ˚F | 14.0 |
Specific Heat, Btu/lb ˚F | 0.11 |
Electrical Resistivity, Microohm-in | 24.8 |
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transportation. , Wuxi become the biggest stainless steel sheet ,plate and coil supply Centers in China. Jiangsu Mittel Steel Industrial Limited was established in 1998 years. as one of the largest stockists and manufacturers of industrial grade Stainless Steel products and derivatives in Wuxi ,We keep a stock of 50000 tons every month, so we can delivery goods in fast time.
Our company supplies cold/hot-rolled stainless steel
sheets,stainless steel coils and stainless steel Plate to many
steel factories from athome and abroad, including Shanxi Taigang
Iron& Steel CO, . Ltd (TISCO)Zhangjiagang Pohang (ZPSS),
Shanghai BAO STEEL, Ningbo Baoxin and steel factories in Taiwan
area, Mainland Chinese and foreign countries and regions.
Our long-term business lines are
201.202.304(1.4301).304L.316.316L(1.4404).430.409L, 309S
,310S(1.4845).317L.904L.S31803(1.4462).S32750.S32760, Finish: 2B,
BA, NO. 1 NO. 4, HL, 8K and so on...Meanwhile, our company is also
engaged in the long-term supply of homemade & imported medium
and thick plates, galvanized and carbon steel products.
Adhering to the principle of "quality first and customer
foremost",our company will offer long-term service to nationwide
manufacturers of household appliances, elevators, tableware,
ornaments, tanks and machines. We can offer precise frosted
wiredrawing, 8K mirror finishing and skim board oil-abrasion of
various specifications at any time. The precisely-processed
products will meet your requirements for high quality. Our company
is a modern enterprise integrating distribution and storage.
If you are interested in any of our products or would like to
discuss a custom order, please feel free to contact us. We are
looking forward to forming successful business relationships with
new clients around the world in the near future.