A213 T9 Alloy Carbon Steel Pipe
GNEE can provide a full range of ASTM A213 T9 alloy steel seamless pipes, which we offer at competitive prices, which are developed using advanced technology.
In addition to iron and carbon, A213 T9 grade boiler tubes are also added with chromium and molybdenum alloys, which have very good corrosion resistance and oxidation resistance, as well as high-temperature strength and can be used in high-pressure environments below 600°C.
A213 T9 grade heat-resistant pipe has corrosion resistance and the ability to withstand higher pressures. Therefore, A213 T9 grade seamless steel pipe is widely used in boilers, superheaters, economizers and other places that require high pressure and high temperature.
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A213 T9 Alloy Steel Tube Production Range
| Size Range | 1/8" –42" |
| Schedules | 20, 30, 40, Standard (STD), Extra Heavy (XH), 80, 100, 120, 140, 160, XXH & heavier |
| Standard | ASME SA213 |
| Grade | ASME SA213 T9 |
| Outer diameter | 6.35mm to 101.6mm |
| Wall thickness | 1mm to 12mm |
| Ends | Plain, beveled and threaded ends |
Chemical composition of ASTM A213 T9 seamless alloy pipe
| Grade | Chemical Composition(%) | ||||||
| C | Mn | P | S | Si | Cr | Mo | |
| A213 T9 | ≤0.15 | 0.30-0.60 | ≤0.025 | ≤0.025 | 0.25-1.00 | 8.00-10.0 | 0.90-1.10 |
Mechanical Properties of ASTM A213 T9 Seamless Boiler Tubes
| Low Alloy Steels | ||||||
| Grade | UNS Designation |
Tensile Strength, min, ksi [MPa] |
Yield Strength, min, ksi [MPa] |
Elongation in 2 in. or 50 mm,min, % |
Hardness | |
| Brinell/Vickers | Rockwell | |||||
| T9 | K90941 | 60 [415] | 30 [205] | 30 | 179 HBW/ 190HV |
89 HRB |
ASTM A213 T9 Alloy Boiler Tube Heat Treatment:
| Grade | UNS Number |
Heat Treat Type | Subcritical Annealing or Tempering Temperature, min or range ºF [ºC] |
ASTM Grain S |
| T9 | S50400 | full or isothermal anneal | … | … |
| normalize and temper | 1250 [675] | … |
A213 T9 carbon steel pipe
Why choose us
gnee has 14 steel production lines, 10 processing equipment for processing, bending, painting, heat treatment, cutting, drilling, beveling, tempering, surface treatment, complete testing equipment and strong technical force. The annual production capacity is more than 60,000 tons.
Gnee Company Team
FAQ
1. How do we ensure quality?
There are always pre-production samples before mass production;
Always do final inspection before shipment.
2. What can you buy from us?
Seamless Steel Pipe Carbon Steel Seamless Steel Pipe, Alloy Seamless Pipe, Stainless Steel Pipe, Black Seamless Pipe Precision seamless tube.
3. Why should you buy from us instead of other suppliers?
The factory covers an area of nearly 60,000 square meters and has processing equipment such as large shears, circular shears, straighteners, annealing furnaces, and punching and shearing lines.
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