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Dalipal > Production >Product Catalog > Seamless Steel Tubes for Boiler


Seamless steel tubes for boiler
Products Size Material and garde Standard

Typical application

Outside diameter (mm) Thickness
(mm)
Seamless steel tube for low pressure boiler 48-630 5.0-30 10#、20# GB 3087

  Low pressure boiler header and steam pipeline

Seamless steel tube for mesium pressure boiler 48-630 5.0-30 10#、20# GB 3087

  Medium pressure boiler header and steam pipeline

Seamless steel tube for high pressure boiler 48-457 5.0-40 20G、20MnG、25MnG、15MoG、20MoG、15CrMoG、12Cr1MoVG GB5310

  Heated tubes,boiler heder and steam pipeline which Service at 540-650℃ and higher pressure tha/n 9.8MPa

St35.8,St45.8 DIN 17175
SA-106A/B/C、
SA-210A/B/C、
T2/P2、 T11/P11、T12/P12、T22/P22、T91/P91
ASME SA-106
ASME SA-210
ASME SA-213
ASME SA-335
 
Seamless steel tubes for liquid and gas service
Products Size Material and garde Standard Typical application
Outside diameter (mm) Thickness
(mm)
Fluid pipe Φ140-Φ273 5.1-30 20#、Q295、Q345 GB/T 8163

  Transport common liquid,gas and dry powder

Line pipe L245、L290 、
L320、L360、
L390、L415、
L245NS、 L290NS、 L320NS、
L360NS

GB/T 9711.1
GB/T 9711.2
ISO 3183-1
ISO 3183-2

  Transport natural gas and other gas,oil and other liquid,e.g.subseapipeline, highpressureline, Line,Low temperaturepipes

A、B、X42、X46、
X56、X60、X65、
X65QS、X70
API Spec 5L
B ASTM A53
ASTM A106
 
    
Seamless steel tubes for structural purposes
      Products Size Material and garde Standard Typical application
Outside diameter (mm) Thickness
(mm)

Structural pipe

Φ140-Φ273 5.1-35 20#、30#、45#、Q345 、
Q345B、Q345C、Q345D、
Q345E、20Mn2、30Mn2、
40Mn2、20CrMo、30CrMo、
35CrMo、42CrMo
GB/T 8162

  Pipe fitting and grid of machinery parts

Seamless steel tube
for hydraulic pillar service

Φ140-Φ273 6.0-35 35#、45#、27SiMn、
20CrMo4、30CrMo4、
BG/T 17396

  Coal machinery manufacturing and mining machinery,rtc

Seamless steel tube
for petroleum cracking

Φ140-Φ273 6.0-20 20#、16Mn、12CrMo、
15CrMo、T5、T9

GB9948
ISO 9329-2

  Cracking furnace of oil refinery

Seamless steel tube
for
high-pressure
for chemical fertilizer equipments

Φ140-Φ273 5.0-35 20#、16Mn、12CrMo、15CrMo GB 6479

  High pressure chemical fertilizer equipment and pipeline

Automobile half-shaft cannula

Φ140-Φ273 10.0-35

Carbon steel 、Alloy steel

Agreement

  Manufacture of automobile half-shaft cnnnula and drive axle bridge axis

Axle tube

Φ140-Φ273 6.0-25

MS-735

Agreement

  structural parts for truckbed

Tube for cylinder service Φ140-Φ273 6.0-35

Carbon steel 、Alloy steel

Agreement

    Processing of hydraulic or pneumatic cylinder tube

Marine tube Φ140-Φ273 5.0-18 360、410、460、490、500、510 GB/T 5312   Marine boiler tube and superheater and pipeline
 
 
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