Power plant special steel casing insulation steel pipe
Power plant special steel
casing insulation steel pipe
Description
Products Description
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Main Indexs of Pre-insulated Pipe
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Product Name
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Product Indexes
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Reference Standard
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Unit
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Standard Requirement
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Finished product
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Steel pipe without thermal insulation layer
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CJ/T114-4.4.1
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mm
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150-250
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Increasing rate of HDPE outer protection pipe
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CJ/T114-4.4.2
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%
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≤ 2
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Axis eccentricity
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CJ/T114-4.4.3
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mm
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see clause 4.4.3
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Expectation of life
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CJ/T114-4.4.4.1
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year
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120℃ 30 years
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Shear strength(170℃，1450h after aging)
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CJ/T114-4.4.4.2
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MPa
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(23±2℃）>0.12
(140±2℃) >0.08 |
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Shock resistance
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CJ/T114-4.4.5
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3kg/2m
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see clause 4.4.5
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Resistance value between alarm line
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CJ/T114-4.4.6
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MΩ
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more than 20MΩ
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Outer protection pipe |
Density
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CJ/T114-4.2.3.1
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kg/m3
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≥940
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Elongation at break
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CJ/T114-4.2.3.4
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%
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≥350
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Tensile yield stength
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CJ/T114-4.2.3.4
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MPa
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≥19
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Longitudinal shrinkage rate
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CJ/T114-4.2.3.5
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%
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≤3
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Long term Mechanical properties
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CJ/T114-4.2.3.6
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80℃ 4.0MPa
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>1500h free from damage
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The difference of the melt flow rate
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CJ/T114-4.2.3.2
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g/10min
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≤0.5
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Carbon Black content
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CJ/T114-4.2.3.1
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%
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2.5±0.5
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Polyurethane insulation layer |
Density
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CJ/T114-4.3.2
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kg/m3
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≥60
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Average pore size
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CJ/T114-4.3.1
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mm
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≤0.5
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Percentage of close area
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CJ/T114-4.3.1
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%
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≥88
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Compressive strength
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CJ/T114-4.3.3
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MPa
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≥0.3
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Water absorption
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CJ/T114-4.3.4
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%
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Immersion in boiling water 90 minutes, bubble water absorption should be not more than 10%
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Coefficient of thermal conductivity before aging
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CJ/T114-4.3.5
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w/(m.k)
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≤0.033
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Cavity
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CJ/T114-4.3.1
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≤1/3 the thickness of insulation layer
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Working steel pipe
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Seamless steel pipe(≤DN150)
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GB8163
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20#, X42,X52,X60,X70
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Up to standards
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Spiral steel pipe (≥DN200)
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GB/T9711 or SY/T5037
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Q235B,Q355B,X42,X52,X60,X70
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Up to standards
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Shipping & Delivery
Free Delivery
Orders from 70,00 Euro will be shipped free of charge within Germany and to Austria with GLS! Up to 69,99 Euro order volume we charge only 3,90 Euro with GLS. For shipment with DHL GoGreen within Germany we charge only 5,90 Euro up to 69,99 Euro order volume or 2,00 Euro for orders from 70,00 Euro.
Delivery Time: Ready for Shipping within 24h
We try hard to make as much orders as possible ready for shipping within 24 hours (after receiption of payment), because we generally offer only items in our online shop which we have currently on stock. The independent official seal for excellence in shipment always shows you, have fast we are currently working (make your order ready for pick-up by our logistics partner).
Delivery areas:
We deliver to the following countries:
Germany, Austria, Switzerland and Belgium, Bulgaria, Denmark, Estonia, Finland, France, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Liechtenstein, Luxembourg, Netherlands, Norway, Poland, Portugal, Romania, Russia, Sweden, Switzerland, Slovakia, Slovenia, Spain, Czech Republic, Hungary, USA. Please find information about delivery costs below. We usually do, but currently do NOT ship to: UK and Norway. Please visit this site frequently for updates or contact our customer service.
Returns
If a product does not meet your expectation for any reason, you can return the product without ifs and buts. To make it even more easy for you, we recommend to use the attached return form and the return stickers free of charge within 30 days of receipt. Just drop the parcel at your nearest GLS parcel shop or DHL branch (depending on the provided return label) in Germany. Of course this is not a compulsory requirement to exercise your right of withdrawal. Find more information on our website for your right of withdrawal.
