Place of Origin: | Zhejiang |
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Location: | Ningbo, Zhejiang, China (Mainland) |
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Business Type: | Manufacturer |
Main Products: | Precision Steel Tube, Welded Steel Tube, Seamless Steel Tube |
Model No.: | ASTM A688 |
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ASTM A688 TP304/304L/304LN , TP316/316L/316LN Welded Austenitic Stainless Steel Feedwarter Heater Tubes
Size range:
O.D.: 4.0-230mm W.T.:1-30mm L: according to customer requirement
Material and Manufacture:
Tubes are made from Flat-rolled steel by automatic welding process.
Subsequent to welding and prior to final heat treatment, the tubes are cold drawn or cold rolled
The tubes are ready for U-bending after annealed, according to customer's drawing and design.
Suface Condition:
The tubes are pickled innitric and hydraofluoric acids.
Bright annealing.
Mechanical Requirement
Grade: |
TP304 |
TP304L |
TP304LN |
TP316 |
TP316L |
TP316LN |
TP316LN |
TPXM-29 |
TP304N |
UNS |
S30400 |
S30403 |
S30453 |
S31600 |
S31603 |
S31653 |
S31653 |
S24000 |
S30451 |
C, max |
0.08 |
0.035 |
0.035 |
0.080 |
0.035 |
0.035 |
0.035 |
0.08 |
0.080 |
Mn, max |
2.00 |
2.00 |
2.00 |
2.00 |
2.00 |
2.00 |
2.00 |
11.5-14.5 |
2.00 |
P, max |
0.045 |
0.045 |
0.045 |
0.045 |
0.045 |
0.045 |
0.045 |
0.060 |
0.045 |
S, max |
0.030 |
0.030 |
0.030 |
0.030 |
0.030 |
0.030 |
0.030 |
0.030 |
0.030 |
Si, max |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
Ni |
18.0-20.0 |
18.0-20.0 |
18.0-20.0 |
16.0-18.0 |
16.0-18.0 |
16.0-18.0 |
16.0-18.0 |
17.0-19.0 |
18.0-20.0 |
Cr |
8.0-11.0 |
8.0-13.0 |
8.0-12.0 |
11.0-14.0 |
10.0-14.0 |
11.0-14.0 |
11.0-14.0 |
2.3-3.7 |
8.0-18.0 |
Mo |
… |
… |
… |
2.00-3.00 |
2.00-3.00 |
2.00-3.00 |
2.00-3.00 |
… |
… |
Nitrogen |
… |
… |
… |
… |
… |
… |
… |
… |
… |
Copper |
… |
… |
… |
… |
… |
|
|
|
|
Grade: | TP316N | … | … | … | … |
UNS | S31651 | N08367 | N08926 | S31254 | S32654 |
C, max | 0.070 | 0.030 | 0.020 | 0.020
|