20G Q345 Carbon Alloy Steel Boiler Pressure Seamless Pipe

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.


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We have now a skilled, performance group to offer excellent support for our consumer. We usually follow the tenet of customer-oriented, details-focused for 20G Q345 Carbon Alloy Steel Boiler Pressure Seamless Pipe, Our business is dedicated to giving customers with significant and secure top quality products at aggressive price, making each and every customer pleased with our services.
We have now a skilled, performance group to offer excellent support for our consumer. We usually follow the tenet of customer-oriented, details-focused for China 20G Carbon Alloy Steel Boiler Pipe, With all these supports, we can serve every customer with quality product and timely shipping with highly responsibility. Being a young growing company, we might not the best, but we’ve been trying our best to be your good partner.

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

GB 5310 20G High Pressure1
GB 5310 20G High Pressure4
GB 5310 20G High Pressure5

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 have now a skilled, performance group to offer excellent support for our consumer. We usually follow the tenet of customer-oriented, details-focused for New Fashion Design for 20g Q345 Carbon Alloy Steel Boiler Pressure Seamless Pipe, Our business is dedicated to giving customers with significant and secure top quality products at aggressive price, making each and every customer pleased with our services.
New Fashion Design for China Steel and Steel Pipe, With all these supports, we can serve every customer with quality product and timely shipping with highly responsibility. Being a young growing company, we might not the best, but we’ve been trying our best to be your good partner.


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