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 |