B?HL ERNiCrMo 2.5-IG伯樂(lè)焊絲

Description
GMAW wire for joint welding of high-strength fine-grained constructional steels with stringent
requirement on low-temperature toughness down to -60 °C depending on the shielding gas.
e.g. in marine engineering for the manufacture of LPG tankers.
Approvals and Certificates
DB (42.014.07), üZ (42.014/4), ?BB, ABS (XYQ690X-5), BV (UP), DNV (5 Y69),
GL (4Y69S), LR (X), UDT, SEPROZ
base Materials
quenched and tempered fine-grained steels with high requirements for low-temperature toughness
N-A-XTRA 65-70, USS-T 1
Operating Data
shielding gases: Argon + 15 - 25 % CO 2 ? mm
100 % CO 2 1.0
1.2
Preheating and interpass temperature as required by the base metal.
Mechanical Properties of All-weld metal
(*) u u2
yield strength R e N/mm 2 : 810 (≥ 750) 780 (≥ 720)
tensile strength R m N/mm 2 : 910 (830 - 980) 890 (800 - 950)
elongation A (L 0 = 5d 0 ) %: 18 (≥ 316) 17 (≥ 316)
impact work ISO-V KV J + 20 °C: 120 (≥ 360) 70 (≥ 350)
- 40 °C: (≥ 347)
- 60 °C: (≥ 347)
(*)  u untreated, as-welded – shielding gas Ar + 15 - 25 % CO 2
u2 untreated, as-welded – shielding gas 100 % CO 2
Typical Composition of Solid Wire
C Si Mn Cr Ni Mo
wt-% 0.08 0.6 1.4 0.3 2.5 0.4