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High Pressure Seamless Boiler Tubes , Hot Rolled Seamless Steel Pipe In Petroleum

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Address: Wendu Industrial Park, Fuding City, China

Contact name:Vivian H

Fujian Huacheng Stainless Steel Tube Co.,Ltd.

High Pressure Seamless Boiler Tubes , Hot Rolled Seamless Steel Pipe In Petroleum

Country/Region china
City & Province wenzhou zhejiang
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Product Details

High Pressure Seamless Boiler Tubes , Hot Rolled Seamless Steel Pipe In Petroleum
 


Specifications:
 

Steel Grade

Tensile Strength

Yield Strength

20G

410-550

245

20MnG

415-560

240

25MnG

485-640

275

15MoG

450-600

270

20MoG

415-665

220

12CrMoG

410-560

205

15CrMoG

440-640

295

12Cr2MoG

450-600

280

12Cr1MoVG

470-640

255

12Cr2MoWVTiB

540-735

 

 

Steel Pipe Type

Steel Pipe Size

Allowable Deviation

Ordinary Grade

Special Grade

Hot Rolled seamless
steel pipe

OD

≤159

±1%(Min±0.5mm)

±0.75%(Min±0.3mm)

>159

±1%

±0.9%

 
 
 
 
 
WT

<3.5

+15%-10%
(Min+0.48mm-0.32mm)

±10%

3.5-20

+15%
-10%

±10%

 
 
>20

 
D<219

±10%

±7.5%

 
D≥219

+12.5%
 -10%

 

SA106B 20G high pressure boiler tube pipe  Use Classification:
 

Type

Pressure strength

Temperature

Medium and low pressure boiler tube

≤5.88Mpa

<450℃

High pressure boiler tube

>9.8Mpa

450℃~650℃

 
 
Description:
 
1  HEAT TREATMENT
 
hot treatment: hot-finished tubes need not to be heat treated,cold finished tubes shall be heat treated after the finial
cold-finishing at a temperature of 1200 F (650C) or higher
 
2 HARDNESS REQUIREMENTS
 
the tubes shall have a hardness number not exceeding the following:
tubes 0.2“ (5.1mm) and over in wall thickness 137HB
 tubes less than 0.2" (5.1mm) in wall thickness 77HRB
 
3 MECHANICAL TESTS REQUIRED
 
A. Flattening Test
B. Flaring Test
C.Hardness Test
D. Hydrostatic Test
 
Packing: tubes will be packed in bundles tied with steel strips.
Oil coating,varnish,or black painting to be confirmed.
End plastic caps to be confirmed.
External packing by knit bags.
Marking: to be confirmed.
 
Payment: 30% deposit,balance before shipment or against copy of B/L or L/C at sight.
MOQ: 5 tons for each size.
Warranty: 1 years after shipment of tubes.  
 
 
Applications:


Used in industries as chemical engineering, petroleum, medicine, food, energy, nuclear power, aerospace,
 environmental protection, boiler, gas, war industry, machinery, ship building and so on. 
 


Competitive Advantage:


Our factory is near to raw material market and high-speed way,  the producing cost is low.
Our factory have long history for producing seamless boiler tubes, both producing and testing machine 
is advanced and perfect.
We always cooperate with famous project and companies.
 
Seamless Boiler Tubes
 

 

 

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