boiler pressure description
High pressure boiler tube is a kind of boiler tube, belongs to seamless steel pipe category. The manufacturing method is the same as seamless pipe, but there are strict requirements on the steel used to make the steel pipe. High pressure boiler tube is often used in high temperature and high pressure conditions, the tube under the action of high temperature flue gas and water vapor, oxidation and corrosion will occur. The steel pipe is required to have high lasting strength, high resistance to oxidative corrosion, and good organizational stability. High pressure boiler tube is mainly used to manufacture high pressure and super high pressure boiler superheater tube, reheater tube, guide pipe, main steam pipe, etc.
boiler pressure application
1、General boiler tube is mainly used to manufacture water wall tube, boiling water tube, superheated steam tube, superheated steam tube for locomotive boiler, large and small smoke pipe and arch brick pipe.
2、 High pressure boiler tube is mainly used to manufacture superheater tube, reheater tube, guide pipe, main steam pipe, etc., of high pressure and ultra-high pressure boiler.
High pressure boiler chemical composition
oiler tube standard | Grade | Chemical composition of seamless boiler tubes | |||||||||
C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V> | ||
ASTM A192ASME SA192 | A192 | 0.06-0.18 | ≤0.25 | 0.27-0.63 | ≤0.035 | ≤0.035 | / | / | / | / | / |
High pressure boiler mechanical property
strength of extension(MPa) | yield strength(MPa) | elongation( % ) | hardness |
≥325 | ≥180 | ≥35 | ≤77HRB |
boiler pressure specification
Products name | boiler pressure |
Standard | API 5L, ASME, ASTM B36, JIS, DIN, GB8162, GB8163, GB5310,etc. |
Material | ASTM A106 GRB/ A53 GRB/ API 5L X42,X52,X60,X65,X70GRB/ |
Length | 12m,11.8m,6m,5.8m,or as customers required |
Surface treatment | Black painting, black varnish, transparent oil, hot galvanized, |
Application | Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe, Other |
Section Shape | Round |
Surface Treatment | Hot Rolled |
Tolerance | ±1% |
Alloy Or Not: | Non-Alloy |
Outer Diameter: | 6mm-720mm |
Thickness: | 0.25-200mm |
MOQ: | 5Tons |
Payment | 30%TT+70%Banlance |
Packing: | Standard Sea-worthy Packing |
production workshop
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Application
Our steel products are mainly used in chemical industry, petrochemical industry, offshore, seawater pipeline, desalination plant, nuclear engineering, paper and pulp industry.
Exporting country
We are a well known worldwide supply and export Boiler steel pipe in following countries：,Italy, Philippines, France，Ireland, Portugal, Gambia, Thailand, Ukraine, United Kingdom, Netherlands, South Africa, Spain, Turkey, Libya, Romania, Puerto Rico, Azerbaijan, United Arab Emirates, Pakistan, Ghana, Slovakia, Germany, Saudi Arabia, Afghanistan, Bolivia, Switzerland, Bangladesh, Taiwan, Oman, Egypt, Greece, Norway, Singapore, Bulgaria, Estonia, Belgium, Yemen, Hong Kong, Ecuador, Sri Lanka, Nepal, Belarus, Finland, Gabon, Iran, Canada, Argentina, Lebanon.
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