Overview
Application
Seamless steel pipe for high pressure fertilizer equipment is a high quality carbon structural steel and alloy steel seamless steel pipe suitable for chemical equipment and pipeline.
Main Grade
Grade of high-quality carbon structural steel: 10#、20#
Chemical Component
| Chemical Component/% |
| NO |
C |
Si |
Mn |
Cr |
Mo |
V |
W |
Nb |
Ni |
P S |
|
|
|
|
|
|
|
|
|
no more than |
| 10 |
0. 07-0. 13 |
0. 17 -0. 37 |
0.35 -0. 65 |
- |
- |
- |
- |
- |
- |
0.025 |
0.015 |
| 20 |
0. 17 -0. 23 |
0.17 -0. 37 |
0. 35-0.65 |
- |
- |
- |
- |
- |
- |
0.025 |
0.015 |
| Q345Ba |
0. 12 -0. 20 |
0.20-0. 50 |
1.20-1.70 |
<0. 30 |
<0. 10 |
mis |
- |
<0.07 |
W0. 50 |
0.025 |
0.015 |
| Q345C" |
0. 12 -0. 20 |
0.20 -0. 50 |
1.20 -1. 70 |
W0. 30 |
<0. 10 |
<0. 15 |
- |
W0.07 |
<0. 50 |
0.025 |
0.015 |
| Q345D" |
0. 12 -0. 18 |
0.20 -0. 50 |
1. 20~1.70 |
W0. 30 |
<0. 10 |
<0. 15 |
- |
W0.07 |
<0. 50 |
0. 025 |
0.015 |
| Q345Ea*b |
0. 12 -0. 18 |
0. 20-0. 50 |
1. 20 -1.70 |
W0. 30 |
<0. 10 |
<0. 15 |
- |
<0.07 |
<0. 50 |
0. 025 |
0.01 |
| 12CrMo |
0. 08-0. 15 |
0.17 -0. 37 |
0. 40-0. 70 |
0. 40-0. 70 |
0. 40-0. 55 |
- |
- |
- |
- |
0. 025 |
0.015 |
| 15CrMo |
0. 12 -0. 18 |
0. 17 -0. 37 |
0. 40-0. 70 |
0. 80-1. 10 |
0. 40-0.55 |
- |
- |
- |
- |
0. 025 |
0. 015 |
| 12Cr2Mo |
0. 08-0. 15 |
<0. 50 |
0. 40-0.6 |
2.00-2. 50 |
0. 90-1. 13 |
- |
- |
- |
- |
0.025 |
0. 015 |
| 12Cr5Mo |
<0. 15 |
<0.50 |
<0. 60 |
4. 00-6.00 |
0. 40-0. 60 |
- |
- |
- |
<0. 60 |
0. 025 |
0. 015 |
| lOMoWVNb |
0. 07-0. 13 |
0. 50-0.8 |
0. 50-0.8 |
- |
0. 60-0. 90 |
0. 30-0. 50 |
0. 50-0. 90 |
0. 06-0. 12 |
- |
0.025 |
0.015 |
| 12SiMoVNb |
0.08 -0. 14 |
0.50 -0.8 |
0. 60-0. 90 |
- |
0. 90-1. 10 |
0. 30-0. 50 |
- |
0. 04-0.08 |
- |
0.025 |
0.015 |
| Awhen it is necessary to add fine grain elements, the steel shall contain at least one of Al, Nb, V and Ti. The added fine grain elements shall be indicated in the quality certificate. Ti content shall not be more than 0.20% |
| BAl content in steel shall not be less than 0.020%, or ala content in steel shall not be less than 0.015% |
Mechanical Property
| Grade |
Mechanical Property |
| Tensile |
Yield |
Elong after fracture A/% |
Reduction of area |
Shork absorption energy |
| MPa |
MPa |
Z/% |
（KV2）/J |
|
Steel tube wall thickness/mm |
|
Test temperature/℃ |
portrait |
transver |
|
W16 |
>16 — 40 |
>40 |
portrait |
transver |
|
|
not less than |
not less than |
| 10 |
335〜490 |
205 |
195 |
185 |
24 |
22 |
一 |
一 |
— |
一 |
| 20 |
410〜550 |
245 |
235 |
225 |
24 |
22 |
一 |
0 |
40 |
27 |
| Q345B |
490〜670 |
345 |
335 |
325 |
21 |
19 |
一 |
20 |
40 |
27 |
| Q345C |
490〜670 |
345 |
335 |
325 |
21 |
19 |
一 |
0 |
40 |
27 |
| Q345D |
490〜670 |
345 |
335 |
325 |
21 |
19 |
一 |
-20 |
40 |
27 |
| Q345E |
490〜670 |
345 |
335 |
325 |
21 |
19 |
— |
-40 |
40 |
27 |
| 12CrMo |
410~560 |
205 |
195 |
185 |
21 |
19 |
— |
20 |
40 |
27 |
| 15CrMo |
440〜640 |
295 |
285 |
275 |
21 |
19 |
一 |
20 |
40 |
27 |
| 12Cr2Moa |
450〜60。 |
280 |
20 |
18 |
一 |
20 |
40 |
27 |
| 12Cr5Mo |
390〜590 |
195 |
185 |
175 |
22 |
20 |
一 |
20 |
40 |
27 |
| lOMoWVNb |
470〜670 |
295 |
285 |
275 |
19 |
17 |
一 |
20 |
40 |
27 |
| 12SiMoVNb |
2470 |
315 |
305 |
295 |
19 |
17 |
50 |
20 |
40 |
27 |
| A 12Cr2Mo pipe，When D<30 mm and SW3 mm，the lower yield strength or specified plastic extension strength can be reduced by 10 MPa. |
Test Requirement
In addition to ensuring the chemical composition and mechanical properties, the steel pipe directly rolled by ingot shall be subject to low power inspection, and eddy current inspection or magnetic flux leakage inspection can be used instead of hydraulic test.
Supply Ability
2000 Tons Per Month Per Grade of Seamless steel tubes for high-pressure
chemical fertilizer processing equipments.
Packaging
In Bundles And In Strong Wooden Box
Delivery
7-14 days if in stock, 30-45 days to produce
Payment
30% depsoit, 70% L/C or B/L copy or 100% L/C at sight
Product Detail
mechanical/Chemical&Fertilizer Pipes