A312 TP347H Austenitic Stainless Steel Pipe
GNEE is one of the pioneers in providing A312 TP347H seamless stainless steel pipes, you can choose the right pipes and get the evaluation you want at the best price.
The addition of niobium and tantalum in A312 TP347H austenitic stainless steel pipes prevents harmful carbides from precipitating in the heat affected zone of the weld area, and has a strong immunity to intergranular corrosion, reducing the embrittlement of the heat affected zone of the weld area. Therefore, A312 TP347H seamless austenitic pipe works best at temperatures up to 1600 °F.
In addition, A312 TP347H hollow pipes provide good mechanical properties with higher creep and stress rupture characteristics compared to other grades.
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Chemical composition of A312 TP347H high pressure stainless steel seamless pipe:
| C | Cr | Mn | Ni | P | S | Si | Cb/Ta | |
| 347H |
min: 0.04 |
min: 17.0 |
2.0 max | min: 9.0 max: 13.0 |
0.03 max | 0.30 max |
0.75 max |
min:10x C max: 1.0 |
Mechanical properties of A312 TP347H stainless steel seamless pipe:
| Grade | Tensile Strengtd ksi (MPa) min | Yield Strengtd 0.2% ksi offset ksi (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
| 347H | 75 (515) |
30 (205) |
40 | 201 | 95 |
A312 TP347H High temperature Stainless 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.
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FAQ
1.Q.What's your advantage?
A.Honest business with competitive price and professional service on export process.
2.Q.Can your products be customized?
A.Yes, we can produce and process according to your requirements.
3.Q. Do you have a quality control system?
A.Yes, we have our own quality control laboratory.
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