GM 70S-A1

Solid wire alloyed with Molybdenum for improved properties

 
IDENTIFICATION :70S-A1
CLASSIFICATION : AWS A-5.28 : ER 70S-A1

DESCRIPTION :

GM 70S-A1 copper coated filler wire for welding 0.5% Mo steels used for creep resisting service at temperatures up to about 5000C.

This wire is copper coated to suppress corrosion but possible deterioration is minimised by storage at <60%RH and >180C.

COMPOSITION OF THE WIRE(RANGE) %

C Mn Si S
0.12 max 1.30 max 0.30-0.70 0.025 max
P Mo Cu Ni
0.025 max 0.40-0.65 0.35 max 0.20 max

ALL WELD MECHANICAL PROPERTIES (RANGE)

Tensile Strength MPa 0.2% proof Stress MPa Elongation (%) (L=4D) Charpy V-notch impact strength in joules
550 min 450 min 25 min -200C 70 min

Materials to be welded:

  • ASTM A 335 Gr.P1
  • ASTM A 336 Gr.F1
  • ASTM A 185 Gr.F1
  • ASTM A 204 A,B,C
  • ASTM A 209 Gr.T1
  • ASTM A 487 2B (cast)
  • ASTM A 533 CI.3

Steel type 16Mo3 high tensile steels having tensile strength in the range 550-600MPa



SHIELDING GAS :: Pure Argon

PACKING SPECIFICATION

SIZE (MM) LENGTH (MM) PACKING PER BOX
1.6 1000 5Kg
2.0 1000 5Kg
2.40/2.50 1000 5Kg
3.15/3.20 1000 5Kg