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Hydraulic seamless tubes are typically made of several alloys and solid round steel bars of metals such as stainless steel, carbon steel, tungsten, etc. These metal pieces are converted into hollow tubes by heating and rolling over to the required forms.Seamless tubes are considered to be strong enough to resist high pressure from numerous industrial forces.
Grade | C | Mn | Si | P | S | Nb | V | Al | Ti | Cr | Mo | N | Ni |
EN10025-3 S275N | 0.2 | 0.45-1.60 | 0.45 | 0.035 | 0.03 | 0.06 | 0.07 | 0.015 | 0.06 | 0.35 | 0.13 | 0.017 | - |
EN10025-3 S275NL | 0.2 | 0.45-1.60 | 0.45 | 0.03 | 0.035 | 0.06 | 0.07 | 0.015 | 0.06 | 0.35 | 0.13 | 0.017 | - |
EN10025-3 S355N | 0.2 | 0.85-1.75 | 0.55 | 0.035 | 0.03 | 0.06 | 0.14 | 0.015 | 0.06 | 0.35 | 0.13 | 0.017 | 0.55 |
EN10025-3 S355NL | 0.2 | 0.95-1.75 | 0.55 | 0.03 | 0.025 | 0.06 | 0.14 | 0.015 | 0.06 | 0.35 | 0.13 | 0.017 | 0.85 |
EN10025-3 S420N | 0.2 | 0.95-1.80 | 0.65 | 0.035 | 0.03 | 0.06 | 0.22 | 0.015 | 0.06 | 0.35 | 0.13 | 0.027 | 0.85 |
EN10025-3 S420NL | 0.22 | 0.95-1.80 | 0.65 | 0.03 | 0.025 | 0.06 | 0.22 | 0.015 | 0.06 | 0.35 | 0.13 | 0.027 | 0.85 |
EN10025-3 S460N | 0.22 | 0.95-1.80 | 0.55 | 0.035 | 0.03 | 0.06 | 0.22 | 0.015 | 0.06 | 0.35 | 0.13 | 0.027 | 0.85 |
EN10025-3 S460NL | 0.22 | 0.95-1.80 | 0.65 | 0.03 | 0.025 | 0.06 | 0.22 | 0.015 | 0.06 | 0.35 | 0.13 | 0.027 | 0.85 |
Grade | Yield Strength (MPa) | Ultimate Tensile Strength (MPa) | Elongation at Break (%) |
EN10025-3 S275N | 275 | 370-510 | 23 |
EN10025-3 S275NL | 275 | 370-510 | 23 |
EN10025-3 S355N | 355 | 470-630 | 21 |
EN10025-3 S355NL | 355 | 470-630 | 21 |
EN10025-3 S420N | 420 | 520-680 | 18 |
EN10025-3 S420NL | 420 | 520-680 | 18 |
EN10025-3 S460N | 460 | 540-720 | 17 |
EN10025-3 S460NL | 460 | 540-720 | 17 |
Type | seamless hydraulic tube | |||
Materials | API 5L /A53 /A106 GRADE B and other material which client inquired | |||
Size | Outer Diameter | Seamless:17-914mm 3/8"-36" | ||
Wall Thickness | SCH10 SCH20 SCH30 STD SCH40 SCH60 XS SCH80 SCH100 SCH120 SCH140 SCH160 XXS | |||
Length | Single random length/Double random length 5m-14m,5.8m,6m,10m-12m,12m or as customer's actual request | |||
Ends | Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc. | |||
Surface Treatment | Bare,Painting black,varnished,galvanized,anti-corrosion 3PE PP/EP/FBE coating | |||
Technical Methods | Hot-rolled/Cold-drawn/Hot-expanded | |||
Testing Methods | Pressure test,Flaw detection,Eddy current testing, Hydro static testing or Ultrasonic examination and also with chemical and physical property inspection | |||
Small pipes in bundles with strong steel strips,large pieces in loose; Covered with plastic woven bags; Wooden cases; Suitable for lifting operation; Loaded in 20ft 40ft or 45ft container or in bulk; Also according to customer's requests | ||||
Origin | China | |||
Application | Conveying oil gas and water | |||
Third Party Inspection | SGS BV MTC | |||
Trade Terms | FOB CIF CFR | |||
FOB 30%T/T, 70% before shipment CIF 30% pre-payment and the balance to be paid before making shipment or Irrevocable 100% L/C at sight | ||||
MOQ | 10 tons | |||
Supply Capacity | 5000 T/M | |||
Delivery Time | Usually within 10-45 days after receipt of advance payment |
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