Q235 Q345 4inch Hot DIP Galvanized Round Steel Pipe Gi Pipe Pre Galvanized Steel Tube
Short Description:
20G seamless steel pipe is a high-quality carbon structural steel, boiler material, the carbon content of 0.17-0.24%, tensile strength of 410Mpa, yield point 230-250Mpa. Is our main production of steel, we can provide 20G Seamless pipe with high quality and competitive price. Here to introduce you to our 20G seamless pipe basic chemical properties and mechanical properties.
We support our prospective buyers with ideal top quality merchandise and superior level provider. Becoming the specialist manufacturer in this sector, we have now attained abundant practical expertise in producing and managing for Q235 Q345 4inch Hot DIP Galvanized Round Steel Pipe Gi Pipe Pre Galvanized Steel Tube, To improved expand market, we sincerely invite ambitious individuals and providers to hitch as an agent.
We support our prospective buyers with ideal top quality merchandise and superior level provider. Becoming the specialist manufacturer in this sector, we have now attained abundant practical expertise in producing and managing for China Gi Pipe and Galvanized Steel Tube, Our company has abundant strength and possesses a steady and perfect sales network system. We wish we could establish sound business relationships with all customers from at home and abroad on the basis of mutual benefits.
Grade |
C | Si | Mn | S | P | Cr | Mo | V | Ti | B | W | Ni | Al | Nb | N |
20G | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 0.015 | 0.025 | ||||||||||
20 MnG | 0.17-0.24 | 0.17-0.37 | 0.70-1.00 | 0.015 | 0.025 | ||||||||||
25 MnG | 0.22-0.27 | 0.17-0.37 | 0.70-1.00 | 0.015 | 0.025 | ||||||||||
15 MoG | 0.12-0.20 | 0.17-0.37 | 0.40-0.80 | 0.015 | 0.025 | 0.25-0.35 | |||||||||
20 MoG | 0.15-0.25 | 0.17-0.37 | 0.40-0.80 | 0.015 | 0.025 | 0.44-0.65 | |||||||||
12CrMoG | 0.08-0.15 | 0.17-0.37 | 0.40-0.70 | 0.015 | 0.025 | 0.40-0.70 | 0.40-0.55 | ||||||||
15CrMoG | 0.12-0.18 | 0.17-0.37 | 0.40-0.70 | 0.015 | 0.025 | 0.80-1.10 | 0.40-0.55 | ||||||||
12Cr2MoG | 0.08-0.15 | ≤0.60 | 0.40-0.60 | 0.015 | 0.025 | 2.00-2.50 | 0.90-1.13 | ||||||||
12Cr1MoVG | 0.08-0.15 | 0.17-0.37 | 0.40-0.70 | 0.01 | 0.025 | 0.90-1.20 | 0.25-0.35 | 0.15-0.30 | |||||||
12Cr2MoWVTiB | 0.08-0.15 | 0.45-0.75 | 0.45-0.65 | 0.015 | 0.025 | 1.60-2.10 | 0.50-0.65 | 0.28-0.42 | 0.08-0.18 | 0.002-0.008 | 0.30-0.55 | ||||
10Cr9Mo1VNbN | 0.08-0.12 | 0.20-0.50 | 0.30-0.60 | 0.01 | 0.02 | 8.00-9.50 | 0.85-1.05 | 0.18-0.25 | ≤0.040 | ≤0.040 | 0.06-0.10 | 0.03-0.07 |
Grade |
Tensile strength |
Yield point(Mpa) |
Elongation(%) |
Impact(J) |
(Mpa) |
not less than |
not less than |
not less than |
|
20G |
410-550 |
245 |
24/22 |
40/27 |
25MnG |
485-640 |
275 |
20/18 |
40/27 |
15MoG |
450-600 |
270 |
22/20 |
40/27 |
20MoG |
415-665 |
220 |
22/20 |
40/27 |
12CrMoG |
410-560 |
205 |
21/19 |
40/27 |
12 Cr2MoG |
450-600 |
280 |
22/20 |
40/27 |
12 Cr1MoVG |
470-640 |
255 |
21/19 |
40/27 |
12Cr2MoWVTiB |
540-735 |
345 |
18 |
40/27 |
10Cr9Mo1VNb |
≥585 |
415 |
20 |
40 |
1Cr18Ni9 |
≥520 |
206 |
35 |
|
1Cr19Ni11Nb |
≥520 |
206 |
35 |
W.T.(S) |
Tolerance of W.T. |
|
<3.5 |
+15%(+0.48mm min) |
|
-10%(+0.32mm min) |
||
3.5-20 |
+15%,-10% |
|
>20 |
D<219 |
±10% |
D≥219 |
+12.5%,-10% |
UT(Ultrasonic examination).
N(Normalized).
Q+T(Quenched and Tempered).
Z Direction Test(Z15,Z25,Z35).
Charpy V-Notch Impact Test.
The Third Party Test (such as SGS Test).
Coated or Shot Blasting and Painting.
GB5310 20G seamless steel pipes are mainly used for pressure vessels, machinery, pipe fittings, oil and chemical industry.
GB 5310 High pressure boiler tube Other Name
GB 5310 igh pressure boiler tube, 20G boiler steel pipe, 20G boiler pipe
Boiler tubing is used in these industries:
Steam Boilers.
Power Generation.
Fossil Fuel Plants.
Electric Power Plants.
Industrial Processing Plants.
We support our prospective buyers with ideal top quality merchandise and superior level provider. Becoming the specialist manufacturer in this sector, we have now attained abundant practical expertise in producing and managing for OEM Manufacturer High Quality Gi Q235 Q345 4inch Hot DIP Galvanized Round Steel Pipe Gi Pipe Pre Galvanized Steel Tube, To improved expand market, we sincerely invite ambitious individuals and providers to hitch as an agent.
OEM Manufacturer China Gi Pipe and Galvanized Steel Tube, Our company has abundant strength and possesses a steady and perfect sales network system. We wish we could establish sound business relationships with all customers from at home and abroad on the basis of mutual benefits.