Product Description
TORICH A213/A213M-18 Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat Exchanger Tubes
Standard: A213/A213M-18 Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat Exchanger Tubes
Usage: This standard is applicable Seamless Ferritic and Austenitic Alloy Steel for Boiler, Superheater and Heat Exchanger Tubes
Production process: Seamless tube can be produced by Hot Treatment, Cold Drawing or Cold Rolling.
Note: Special steel grade is also available, according to customer request.
Permissible deviation of outside diameter and wall thickness
| Classification |
Nominal size |
Allowable deviation |
| W-H |
OD |
≤140 |
±1.25%D |
| >140 |
±1%D |
| S |
≤3 |
-40%S |
| >3~4 |
-35%S |
| >4~5 |
-33%S |
| >5 |
-28%S |
| W-C |
OD |
6~30 |
+0.15
-0.20
|
| >30~50 |
±0.30 |
| >50 |
±0.75%D |
| S |
D≤38 |
+20%S |
| D>38 |
-22%S |
Steel grade and chemical composition
| Number |
Steel grade |
Chemical Composition % |
| C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Ti |
| 1 |
0Cr18Ni9 |
≤0.07 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00~
1.00
|
17.00~
19.00
|
— |
— |
| 2 |
1Cr18Ni9 |
≤0.15 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00~
10.50
|
17.00~
19.00
|
— |
— |
| 3 |
1Cr19Ni9 |
0.04~0.10 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00~
12.00
|
18.00~
20.00
|
— |
— |
| 4 |
00Cr19Ni10 |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00~
12.00
|
18.00~
20.00
|
— |
— |
| 5 |
0Cr18Ni10Ti |
≤0.08 |
≤1.00 |
≤3.00 |
≤0.035 |
≤0.030 |
9.00~
12.00
|
17.00~
19.00
|
— |
≥5C |
| 6 |
1Cr18Ni11Ti |
0.04~0.10 |
≤0.75 |
≤2.00 |
≤0.030 |
≤0.030 |
9.00~
13.00
|
18.00~
20.00
|
— |
4Xc~
0.60
|
| 7 |
0Cr18Ni11Nb |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
9.00~
13.00
|
17.00~
20.00
|
— |
— |
| 8 |
1Cr19Ni11Nb |
0.04~0.10 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
9.00~
13.00
|
17.00~
20.00
|
— |
— |
| 9 |
0Cr17Ni12Mo2 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00~
14.00
|
18.00~
20.00
|
2.00~
3.00
|
— |
| 10 |
1Cr17Ni12Mo2 |
0.04~0.10 |
≤0.75 |
≤2.00 |
≤0.030 |
≤0.030 |
11.0~
14.00
|
16.00~
20.00
|
2.00~
3.00
|
— |
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
If you have another question, pls feel free to contact us
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