1.The only one supplier who has the stock of DX53D+AS120 in China. With production of aluminized steel coil, MESCO is able to provide the slitting and making aluminized steel pipes service as customized.

2.First manufacturer who can make AS coating mass up to 240g/m2.
3.The only one manufacturer who can make AS coating mass up to 300g/m2.

4.We help our customers to insert the small tube into the large tube. By this way can load as much as possible pipes into container to save the space and save freight.
Specification
| GRADE |
DS |
KS D 3544 |
JIS G 3314 |
ASTM A 463 |
ASTM A 463-96A |
EN10154 |
| CQ |
SA1C |
SA1C |
SA1C |
CQ |
CS TYPE A |
DX51D |
| CS TYPE B |
DXD2D |
| CS TYPE C |
|
| DQ1 |
SA1A |
SA1A |
SA1A |
ADQ |
/ |
DX53D |
| DQ2 |
SA1D |
SA1D |
SA1D |
DQ |
FS |
DX54D |
| DDS |
DX55D |
| DQ3 |
SA1E |
SA1E |
SA1E |
DQSK |
/ |
/ |
| EDDQ |
SA1S |
/ |
/ |
/ |
EDDS |
/ |
| Thickness |
0.8-2.0mm |
| Length |
MAX 12M, which is suitable for container size |
| Coating thickness |
60-400g/sqm |
| Application |
Automobile, motorcycle muffler, exhaust pipe, fuel tank.
Combustion furnace, heat exchanger, dryer, air conditioner, etc.
Domestic water heater, gas stove, bread box, chimney, microwave oven, food processing machinery, electric oven, gas cooker. |
Advantages of Aluminum-Silicon Coated Tubes for Muffler Applications
Aluminum-silicon coated tubes excel in muffler manufacturing, especially for automotive exhaust systems, thanks to their integrated mechanical and chemical properties. Key advantages include:
1. Exceptional High-Temperature Resistance
When the temperature is 450 ºC , it can ensure high reflectivity. When it is used for a long time under 550 ºC, it hardly changes. The aluminized silicon coated steel plate will maintain a bright appearance. Its heat resistance is equivalent to that of stainless steel 4 0 9 . The galvanized products will change color and be powdered at 300 ºC.
2. Superior Corrosion Resistance
Offers 3-6x better corrosion protection than galvanized steel against moisture, road salts, and sulfur oxides. Self-healing oxide film seals scratches, extending service life to 8-10 years (vs. 3-5 years for conventional materials).
Salt spray test
Aluninum-silicon Galvanized steel
3. Lightweight and High Strength
The density ofAS is 3.0g/cm2, and the density of pure zinc is 7. 1g/cm2. The density of AS is lower than that of zinc. The weight of coating can be reduced by using AS instead of galvanized products.
4. Excellent Formability and Weldability
Maintains ductility for complex bending/forming; compatible with resistance/laser welding for leak-free joints. Reduces manufacturing defects and production costs.
Company Profile



FAQ
Q1: What are the key properties of 304 stainless steel seamless pipes?
A1: They are austenitic stainless steel with 18-20% chromium and 8-10.5% nickel, offering excellent corrosion resistance, high ductility, and good weldability. The seamless design ensures uniform strength, pressure resistance, and no weak weld joints, making them suitable for high-integrity applications.
Q2: In which industries are 304 stainless steel seamless pipes commonly used?
A2: They are widely used in food processing, pharmaceuticals, chemical processing, water treatment, and architectural plumbing, thanks to their corrosion resistance and hygienic properties.
Q3: How do 304 stainless steel seamless pipes differ from 316 ones?
A3: 304 lacks molybdenum, so it has lower resistance to chloride-rich environments (e.g., seawater) compared to 316. However, 304 is more cost-effective and performs well in most general corrosive conditions.
Q4: Can 304 stainless steel seamless pipes withstand high temperatures?
A4: Yes, they can handle continuous use at temperatures up to 870°C (1600°F) and intermittent use up to 925°C (1700°F), though prolonged exposure to high heat may reduce corrosion resistance slightly.