DIN2391 St30Ai high-precision seamless steel pipe is made of high-quality carbon steel, precision drawn, non-oxidizing bright heat treatment (NBK state). The inner wall of the steel pipe is brushed with special equipment and washed under high pressure. The steel pipe is covered with anti-rust oil for rust prevention and the two ends are sealed for dust prevention.
The main features of DIN2391 St30Ai seamless precision steel pipe are: high precision, good finish, good inner wall cleanliness, steel pipe can withstand high pressure, no deformation after cold bending, no cracks after expansion and flattening, and can be subjected to various complex deformation and mechanical processing.
Chemical Composition (%) of DIN2391 St30Ai Seamless Precision Tube
|
C, % |
P, % |
S, % |
||
|
0.10 max |
0.05 max |
0.55 max |
0.025 max |
0.025 max |
Mechanical Properties of DIN2391 St30Ai Precision hydraulic seamless steel pipe
|
430 min |
- |
8 min |
|
|
380 min |
- |
12 min |
|
|
380 min |
280 min |
16 min |
|
|
280 min |
- |
30 min |
|
|
290-420 |
215 min |
30 min |
DIN2391 St30Ai Precision bright seamless steel pipe
GNEE has specialized in producing hard chrome plated rods and honed/peeled tubes and drum polished tubes for over 16 years. We have sophisticated processing equipment, strong technical strength and advanced technology. And a professional after-sales service team of 20 people. To solve any doubts for you and provide project solutions!
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