TORICH INTERNATIONAL LIMITED |
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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
A213/A213M-18 Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat Exchanger Tubes
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