PSI - Issue 28

5

Giovanni Meneghetti et al. / Procedia Structural Integrity 28 (2020) 1481–1502 Giovanni Meneghetti et al./ Structural Integrity Procedia 00 (2019) 000–000

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Table 1: GMAW welding parameters adopted for production of specimens

Current& Polarity [A]

Mode of metal transfer

Voltage [V]

Travel speed [mm/min]

Heat input [kJ/mm]

Welding position

Filler material

Torche angle direction

S C NiFe-2 EN ISO 1071 ø 1.2 mm

UNI EN ISO 6947 PA

CCPI 120÷130

15° forehand

P

24÷25

220÷340

0.41÷0.71

Preheat temperature

EN 13916-TC 200°C

Interpass temperature

EN 13916-TC 250°C

Shielding

ISO 14175 M21 (Ar-CO 2 80-20), flow rate 16÷18 lt/min

Table 2: Specimens’ geometry and preparation

Type of joint

Macrograph & HBW position

S355J2

ADI 1050

A: partial-penetration butt joint

S355J2

ADI 1050

B1: full penetration butt joints B2: full penetration ground butt joints

C: cruciform non-load-carrying fillet-welded joints