446 stainless steel seamless tube/pipe
Density: 7.8 g/cm³
Outer diameter: 6.35 to 508mm,1/4"-20"
Wall Thickness: 0.1 to 30mm,sch5s-sch160
Length: 1-12m
Surface: black,pickling,hairline,180 and 240 grits,6K,8K.
Packing: Woven bag,wooden box or as required
Standard: ASTM A268/ ASME SA268
Product introduction
446 stainless steel has strong high temperature corrosion resistance, and does not produce scales which are easy to peel below 1082 C. It can be used in combustion chamber.
Characteristics of 446 Stainless Steel Tube
1. High corrosion resistance;
2. Climate tolerance;
3. High strength;
4. Magnetism;
Chemical composition of 446 stainless steel seamless pipe:
Mechanical properties of 446 stainless steel seamless tube under ASTM A268:
Manufacturing process:
Round tube billet → heating → perforation → head → annealing → pickling → oiling (copper plating) → multi-pass cold drawing (cold rolling) → blank tube → heat treatment → straightening → hydraulic test (inspection) → mark → in Library.
Characteristics of 446 Stainless Steel Tube
1. High corrosion resistance;
2. Climate tolerance;
3. High strength;
4. Magnetism;
Chemical composition of 446 stainless steel seamless pipe:
| Grade | Chemical Component % | |||||||
| C | Mn | P | S | Si | Cr | Ni | N | |
| TP446-1 | Max 0.20 | Max 1.50 | Max 0.04 | Max 0.03 | Max 1.00 | 23.0-30.0 | Max 0.75 | Max 0.25 |
| TP446-2 | Max 0.12 | Max 1.50 | Max 0.04 | Max 0.03 | Max 1.00 | 23.0-30.0 | Max 0.5 | Max 0.25 |
| Grade and UNS Designation | TS min(MPa) | YS min(MPa) | EL in 2in min % |
| TP446-1, S44600 | 485 | 172 | 18 |
| TP446-2, S44600 | 450 | 275 | 20 |
Manufacturing process:
Round tube billet → heating → perforation → head → annealing → pickling → oiling (copper plating) → multi-pass cold drawing (cold rolling) → blank tube → heat treatment → straightening → hydraulic test (inspection) → mark → in Library.
| HS Code | 7304419000 | ||||||
| Standard | ASTM, ASME, DIN, EN, ISO,JIS, GOST, etc. | ||||||
| Marking | Grade+Type+Standard+Size+Heat NO or as required | ||||||
| Price Term | EX-Work, FOB, CFR, CIF,CNF | ||||||
| OEM | Accepted | ||||||
| Payment term | T/T,L/C, Western union | ||||||
| Certificate | ISO 9001, PED | ||||||
| Third party inspection | Accepted | ||||||
Packing for stainless steel pipe:
With tube cap in woven bag or wooden box
All the material would be tested before shipping:
1. Measurement test
2. Chemical composition test
3. Ultrasonic test
4. Eddy current testing
