• Model NO.：KM-310
• Wt：2.5~80mm
• Od：10~540mm
• Package：in Bundles or as Required
• Price Term：Fob,CIF,CNF
• Brand：Km
• Secondary or Not：Not Secondary
• Delivery Time：15-30days After Down Payment
• Alloy or Not：Alloy
• Payment：T,T L,C
• Transport Package：Bundles
• Specification：1,4′′-48′′
• Trademark：KINGMETAL
• Origin：China (Mainland)
• Production Capacity：20000ton,Month

StandardGradeChemical Components (%)CSiMnPSMoCrDIN17175St 35.8≤0.170.10-0.350.40-0.80≤0.040≤0.040//St 45.8≤0.170.10-0.350.40-0.80≤0.040≤0.040//15Mo30.12-0.200.10-0.350.40-0.80≤0.035≤0.0350.25-0.35/13CrMo440.10-0.180.10-0.350.40-0.70≤0.035≤0.0350.45-0.650.70-1.1010CrMo9100.08-0.15≤0.500.40-0.70≤0.035≤0.0350.90-1.202.0-2.50

Delivery Conditions

The tubes shall be supplied suitably heat treated over their entire length. The following heat treatment shall be used, depending on the type of steel:

• StandardGradeMechanical propertiesTensile Strength (Mpa)Yield Strength (Mpa)Elongation (%)DIN17175St 35.8360-480≥235≥25St 45.8410-530≥255≥2115Mo3450-600≥270≥2213CrMo44440-580≥290≥2210CrMo910450-600≥280≥20

   

  Description Name: DIN 17175 seamless boiler tubes, DIN17175 ST35.8 Boiler tubes, DIN17175 ST45.8 Boiler tubes, DIN17175 15Mo3 seamless tubes, DIN17175 13CrMo44 seamless tubes, DIN17175 10CrMo910 Seamless tubes, DIN17175 Seamless tubes.

  Size: 19mm-350mm

  W.T.: 1.5mm-50mm

  Shape: Round

  Production Type: Cold drawn or Hot rolled

  Length: Single random length/ Double random length or as customer's actual request max length is 10m

  Grade: ST35.8, ST45.8, 15Mo3, 13CrMo44, 10CrMo910

  Testing

  • Tensile test
  • Notch impact/bending test
  • Ring test
  • Non-destructive test
  • Visual inspection of tube surface
  • Gauging
  • Leakage test
  • Grade identification test
  • Hot tensile test

  Marking

  • the manufacturer's name or trade mark;
  • the specified dimensions;
  • the number of this European Standard;
  • the steel name or number;
  • the cast number;
  • the delivery condition;
  • Others information by customer's

  Note:

  • Mill test certificates will be issued according to EN10204.3
  • The tubes Shall be Seamless cold drawn or hot rolled.

  Protection and Packing:

  • Packed in wooden box or bundles protected with plastic paper, and suitably protected for sea-worthily delivery or as requested.
  • The tubes shall be delivered with a temporary corrosion protection. The type of protection shall be at the discretion of the manufacturer

  Application:

  For high middle, low pressure boiler and pressure purpose

  Surface treatment:

  Antirust oil-dip, Varnish, Passivation, Phosphating, Shot Blasting