T-347

Welding of 18%Cr-9%Ni-Nb (AISI Type347) 18%Cr-9%Ni-Ti steels (AISI Type321)

KS               D 7026 : Y347
AWS           A5.9 : ER347
EN              14343 B : SS347
JIS              Z 3321 : Y347

Category:
T-317L
T-410

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
1.2~4.0 AWS A5.9
EN 14343 B
KS D 7026
JIS Z 3321		 ER347
SS347
Y347
Y347		 F, HF, H, VU, VD, OH Ar DC(-)
 
Typical chemical composition of wire (%)
C Si Mn P S Cr Ni Mo Remark
0.05 0.4 1.55 – – 9.03 19.04 0.09 Nb : 0.68
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
400 630 40 – 90 (0℃)
36 (-196℃)		 –
Product Dimensions and Weld Current Range
 
Welding
Position		 Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
All Positon 0.9mm 50 80 10 12
All Positon 1.2mm 70 120 10 12
All Positon 1.6mm 90 170 11 16
All Positon 2.4mm 100 200 13 20
All Positon 3.2mm 120 250 13 22

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