奥地利伯乐BOHLER FOX EV 65低合金高强钢焊条 E8018-GH4R焊条

一、特性及用途

碱性药皮焊条，-60℃以上塑韧性良好，抗裂性高。用于细晶粒高强钢的焊接。耐时效。

除立向下外，可全位置焊接。

扩散氢含量极低(HD≤5ml/100g)

根据要求确定预热温度、层间温度及焊后热处理。

BÖHLER FOX EV 65伯乐焊条

Description
Basic coated electrode with high ductility and crack resistance, for high-strength fine-grained
steels. Ductile down to -60 °C. Resistant to ageing.
Easy to handle in all positions except vertical-down.
Very low hydrogen content (according AWS condition HD ≤ 4 ml/100 g weld metal).
Approvals and Certificates
TÜV-D (1802.), UDT, SEPROZ
base Materials
constructional steels, pipe- and vessel steels, cryogenic fine-grained steels and special grades
E295 - E360, 20MnMoNi5-5, 22NiMoCr4-7, P355NL1 - P460NL1, P355NL2 - P460NL2,
S380N - S500N, S355NH - S460NH, S380NL - S500NL, S380NL1 - S500NL1,
15NiCuMoNb5S (WB 36), 20MnMoNi5-5, 17MnMoV6-4 (WB 35), 22NiMoCr4-7
ASTM A302 Gr. A-D; A517 Gr. A, B, C, E, F, H, J, K, M, P; A225 Gr. C; A572 Gr. 65
Operating Data
re-drying if necessary: ø mm L mm amps A
300 - 350 °C, min. 2 h 2.5 350 80 - 100
electrode identifikation: 3.2 350 100 - 140
FOX EV 65 8018-G E 55 6 1NiMo B 4.0 450 140 - 180
Preheating and interpass temperature, as well as post weld heat treatment as required by the
base metal.
Mechanical Properties of All-weld metal
(*) u s
yield strength R e N/mm 2 : 600 (≥ 550) 580 (≥ 530)
tensile strength R m N/mm 2 : 650 (630 - 750) 630 (620 - 730)
elongation A (L 0 = 5d 0 ) %: 25 (≥ 320) 25 (≥ 320)
impact work ISO-V KV J + 20 °C: 180 (≥ 130) 160 (≥ 120)
- 60 °C: 80 (≥ 347)
(*) u untreated, as-welded
s stress relieved 580 °C/2 h/furnace down to 300 °C/air
Typical Composition of All-weld metal
C Si Mn Ni Mo
wt-% 0.06 0.3 1.2 0.8 0.35