Type
Basic seamless micro alloyed flux cored welding wire
classification
AWS
A 5.29: E80T5-K1M-J H4
A 5.36: E80T5-M21A4-K1-H4
EN ISO
18276-A: T 55 6 1NiMo B M21 1 H5
Applications
Vessel and apparatus construction, offshore, lifting, drilling platforms etc.
Type
Basic seamless micro alloyed flux cored welding wire
Applications
Vessel and apparatus construction, offshore, lifting, drilling platforms etc.
Properties

AA B550 is a seamless high basic flux cored wire for extreme requirements at sub zero temperatures down to -60 °C. Excellent welding properties. Yield strength > 550 MPa. Low hydrogen content HD< 3 ml/100g even after long storage.

Classification
AWS
A 5.29: E80T5-K1M-J H4
A 5.36: E80T5-M21A4-K1-H4
EN ISO
18276-A: T 55 6 1NiMo B M21 1 H5
F-nr
6
FM
2
Suitable for

Typical for:  Reh ≤ 550 MPa  ISO 15608: 1.2, 1.3, 2.1, 2.2, 3.1

1.8905 , 1.8907, 1.8937 , 1.8915, 1.8917, 1.8944 , 1.8954, 1.6780, 1.8817, 1.6368, 1.8807

15NiCuMoNb5, 17MnMoV53, WB36, 20MnMoNi4-5, WB35, BHW 35 , BHW 38, X42, X60, X80

StE 460, StE 500, WStE 500 , TStE 460, TStE 500, NAXTRA 56 , NAXTRA 63

Welding positions
PA
PB
PC
Redrying
Not required
Gas acc. EN ISO 14175
M21
Analysis
C Si Mn P S Cr Ni Mo V Cu Al Nb
0.05 0.4 1.2 0.015 0.015 1 0.3
Mechanical Properties
Heat
Treatment		 RP0,2
(MPa)		 Rm
(MPa)		 A5
(%)		 Impact Energy (J) ISO-V Hardness
-60°C -40°C
As Welded 580 720 20 80 100 HRc
570°C- 620°C 1h 680 550 25 65 50 HRc
Product sheet
declaration of conformity
SDS
Product sheet
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SDS