瑞典伊萨低合金钢气保焊丝DUAL SHIELD II 81-K2药芯自保护焊丝

The wire produces a smooth stable arc and low spatter levels using a 100% CO2 shielding gas. Dual Shield II 81-K2 was developed for higher tensile steels such as ASTM A302, A533 Class I and A537. Applications include ship fabrication, offshore oil rigs, and heavy equipment construction. This wire is an excellent choice for welding ASTM steels A302, A533 Class I and A537. Dual Shield II 81-K2 produces a smooth stable arc and low spatter levels using 100% CO2 shielding gas. Applications include ship building, offshore oilrigs, and heavy equipment construction.

Typical Charpy V-Notch Properties

As Welded 100% Co2

Typical Tensile Properties

Condition	Elongation	Reduction in Area	Shielding Gas	Tensile Strength	Yield Strength
As Welded	27 %	73 %	100% CO2	570 MPa (82 ksi)	515 MPa (74 ksi)

Recommended Welding Parameters

Current	TTW Dist.	Voltage	Wire Diameter	Wire Feed Speed
100% CO2
135-205 A	9.5-12.7 mm (3/8-1/2 in.)	23-26 V	1.2 mm (.045 in.)	381-660 cm/min (150-260 in./min)
205-230 A	12.7-19 mm (1/2-3/4 in.)	25-27 V	1.2 mm (.045 in.)	660-965 cm/min (260-380 in./min)
230-265 A	19-25.4 mm (3/4-1 in.)	26-30 V	1.2 mm (.045 in.)	965-1321 cm/min (380-520 in./min)
125-235 A	12.7-16 mm (1/2-5/8 in.)	23-26 V	1.4 mm (.052 in.)	279-584 cm/min (110-230 in./min)
235-290 A	16-19 mm (5/8-3/4 in.)	25-29 V	1.4 mm (.052 in.)	584-864 cm/min (230-340 in./min)
290-350 A	19-25.4 mm (3/4-1 in.)	29-31 V	1.4 mm (.052 in.)	864-1194 cm/min (340-470 in./min)
165-270 A	16-19 mm (5/8-3/4 in.)	25-28 V	1.6 mm (1/16 in.)	279-508 cm/min (110-200 in./min)
270-345 A	19-25.4 mm (3/4-1 in.)	27-30 V	1.6 mm (1/16 in.)	508-762 cm/min (200-300 in./min)
345-415 A	25.4-31.75 mm (1-1.25 in.)	28-32 V	1.6 mm (1/16 in.)	762-1067 cm/min (300-420 in./min)

Deposition Data

Current	Deposition Rate	Diameter	Deposition Efficiency (%)	Voltage	Wire Feed Speed
100% CO2
150 A	1.91 kg/h (4.2 lb/h)	1.2 mm (.045 in.)	86 %	28 V	508 cm/min (200 in./min)
210 A	2.86 kg/h (6.3 lb/h)	1.2 mm (.045 in.)	86 %	29 V	762 cm/min (300 in./min)
250 A	3.86 kg/h (8.5 lb/h)	1.2 mm (.045 in.)	87 %	30 V	1016 cm/min (400 in./min)
245 A	3.31 kg/h (7.3 lb/h)	1.4 mm (.052 in.)	86 %	28 V	635 cm/min (250 in./min)
310 A	4.63 kg/h (10.2 lb/h)	1.4 mm (.052 in.)	85 %	33 V	889 cm/min (350 in./min)
360 A	6.03 kg/h (13.3 lb/h)	1.4 mm (.052 in.)	85 %	36 V	1143 cm/min (450 in./min)
300 A	4.63 kg/h (10.2 lb/h)	1.6 mm (1/16 in.)	87 %	30 V	635 cm/min (250 in./min)
365 A	5.58 kg/h (12.3 lb/h)	1.6 mm (1/16 in.)	86 %	33 V	762 cm/min (300 in./min)
410 A	6.35 kg/h (14 lb/h)	1.6 mm (1/16 in.)	88 %	33 V	889 cm/min (350 in./min)
155 A	2.00 kg/h (4.4 lb/h)	1.4 mm (.052 in.)	87 %	25 V	381 cm/min (150 in./min)
190 A	2.77 kg/h (6.1 lb/h)	1.6 mm (1/16 in.)	87 %	27 V	38 cm/min (150 in./min)

Classifications

Classifications

ASME SFA 5.29 :ASME SFA 5.36 :AWS A5.36 : E81T1-C1A6-K2-H8AWS A5.29 : E81T1-K2C-H8

Approvals

Approvals

ABS 5Y400SA H5BV SA5Y50/SA5Y40 H5CCS 5Y42SH5CE EN 13479ClassNK KSWL3G(C)H5, KSW54Y40G(C)H5 (C1)DNV V Y40MS H5 (C1)GL 6Y40H5S (C1)KR L3SG(C) H5 & 5Y40SG(C) H5LR 5Y40S H5 (C1)RINA 5YS H10 (C1)RS 5Y40S H5, 5Y50S H5 (C1)

Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type	C Mn Ni
Diffusible Hydrogen	< 4 ml/100g
Shielding Gas	C1 (EN ISO 14175)
Welding Current	DC+

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C	Mn	Ni	P	S	Si
100% CO2
.025 %	1.18 %	1.44 %	0.013 %	0.009 %	0.49 %

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