K-81TB6

For 600Mpa Grade 5%Cr-0.5%Mo Heat resisting steel

AWS             A 5.29 : E81T1-B6M
AWS             A 5.36 : E81T1-M21PZ-B6
EN                ISO 17634-A : T (CrMo 5) P M 1
EN                ISO 17634-B : T55 T1-1M-5CM
JIS                Z 3318 : T55 T1-1M-5CM

Category:
K-81TB2SM
K-91TB3L

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
1.2~1.6 AWS A 5.29
AWS A 5.36
JIS Z 3318
EN ISO 17634-A
EN ISO 17634-B		 E81T1-B6M
E81T1-M21PZ-B6
T55 T1-1M-5CM
T (CrMo 5) P M 1
T55 T1-1M-5CM		 F, HF, H, VU, VD, OH Ar+20%CO2 DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.06 0.33 0.34 0.014 0.014 4.49 – 0.48 –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
535 608 20 – 50 (24℃) 745℃ X 2Hr
Product Dimensions and Weld Current Range
 
Welding
Position		 Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
F, HF 1.2mm 220 280 25 30
VU 1.2mm 200 240 25 28
OH 1.2mm 160 220 23 28
F, HF 1..4mm 240 320 26 33
VU 1..4mm 220 260 26 30
OH 1..4mm 180 240 24 29
F, HF 1.6mm 260 380 27 34
VU 1.6mm 240 300 27 32
OH 1.6mm 200 260 25 30

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