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GRIDUCT 96B8

IDENTIFICATION
Griduct 96B8, E 9016-B8

CLASSIFICATION
AWS/SFA 5.5: E9016 - B8, DIN 8575 - ECr Mo 9B26
BS 2493 9Cr Mo BH

DESCRIPTION
A heavy basic coated type hydrogen controlled, all position Chrome-moly medium alloy electrode for elevated temperature applications. The deposited weld metal is of radiographic quality.

WELD METAL ANALYSIS (RANGE) %

C Mn Si S P Cr Mo Ni
0.05 - 0.10 0.50 - 1.00 0.25 - 0.65 0.025 max 0.025 max 8.0 - 10.0 0.90 - 1.20 0.40 max

MECHANICAL PROPERTIES (RANGE)

UTS (MPa) YS (MPa) EL (%) (L=4D) CVN Impact Value
      Temp Joules
580 - 700 480 - 590 19 - 25 27 ± 2°C 30 - 80

TYPICAL APPLICATIONS
•    For elevated temperature service upto 600°C .
•    For boiler superheater tubing heat-exchangers, piping and pressure vessels in oil refineries and
power plants.
•    Forgings ASTM A 336 grade F9.
•    Pipes and tubes ASTM A335 grades P9, ASTM A199 grade T9.
•    A 200 grade T9, A 213 grade T9.
•    Castings ASTM A 217 C12

ASME IX QUALIFICATION : QW-432 F.NO 4, QW-442 A-NO 5
DIFFUSIBLE HYDROGEN IN THE WELD METAL : 4.0ml /100g (maximum)
REDRYING OF ELECTRODES : 300°C / 2hrs, 5 times max 10 hrs.
PREHEATING : Min. 200°C before welding.
INTERPASS TEMPERATURE : 200°C – 250°C.

WELDING POSITION :

PACKING PARAMETERS

Size (mm) Length (mm) Amps Packing / Box (kg) Packing / Box (Pcs)
AC (70V) / DC (+)
2.5 350 60 - 80 5 x 4 = 20 160 x 4 = 640
3.15 / 3.20 450 90 - 130 5 x 4 = 20 110 x 4 = 440
4 450 140 - 190 5 x 4 = 20 70 x 4 = 280
5 450 190 - 250 5 x 4 = 20 45 x 4 = 180