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Products chevron_right LOW ALLOY STEEL (High Temperature) chevron_right NEXA 8018-B2
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NEXA 8018-B2

AWS/SFA Classification: LOW ALLOY STEEL (High Temperature)

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Applications

  • check_circle Welding of 1.25Cr-0.5Mo, 1Cr-0.5Mo steels in refineries, power plants, chemical plants
  • check_circle Pressure vessels and Boilers
  • check_circle Cr and Cr-Mo bearing steels at elevated temperature service e.g. steam production plants, steam pipes
  • check_circle Joining P4 materials e.g. ASTM SA 182/182M Gr.F2/F11/F12, SA 213/213M Gr.T11/T12, SA 335/335M Gr.P11/P12, SA 387/387M Gr.2/11/12
  • check_circle Suitable for 13CrMo44, 15CrMo5, 15Cr3, 16MnCr5, 20MnCr5

Characteristics

  • check_circle 1.25Cr-0.5Mo type weld deposit E 55B-B2
  • check_circle Resistant to creep and heat upto 550°C
  • check_circle Preheat and interpass temperature of 150-200°C followed by PWHT
  • check_circle Radiographic quality weld deposit
  • check_circle Positional welding capability

Typical Weld Metal Chemistry (%)

C Mn Si Cr Mo
0.05-0.12 <0.9 <0.8 1.0-1.5 0.40-0.65

Mechanical Properties

UTS (MPa) YS (MPa) El% CVN Impact (J) (-20℃) Condition
>550 >460 19 80 PWHT: 690℃ for 1hr

Welding Parameters AC (70 OCV)/DCEP

2.5 x 350 mm 3.15 x 450 mm 4.0 x 450 mm 5.0 x 450 mm
60-100 90-120 140-180 180-240

Packaging

  • inventory_2 Standard carton packing of 20 kg box containing 4 cartons of 5 kg each.