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H08A

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Submerged Arc Welding Wire

It offers a favorable melting rate and is suitable for welding low-carbon steels, such as Q235 structural steel, as well as for applications in the vessel and piping industries.

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H08A

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Product Description

Quite standard

Compliant

GB/T 5293 F4A0-H08A

Equivalent to

AWS A5.17 F6A0-EL8

Characteristics and Applications

It offers a favorable melting rate and is suitable for welding low-carbon steels, such as Q235 structural steel, as well as for applications in the vessel and piping industries.

Precautions

Thoroughly remove rust, moisture, oil, and dust from the welding area.

Maintain the integrity of the TIP;

Perform welding using this welding wire within the optimal welding condition range whenever possible.

An example of the chemical composition of welding wire ( wt % )
C	Mn	Yes	P	S
0.070	1.72	0.03	0.012	0.010

Typical Mechanical Property Values of Deposited Metal
Tensile strength ( megapascal )	Yield strength ( megapascal )	Elongation ( % )	AVK Impact energy ( 0 °C)
465	355	26	120

Welding Parameter Recommendations ( DC+ )
Wire diameter mm	Current range A	Voltage range V	Welding speed ± 0.5mm/s	Dry extension length mm
2.0	300-400	26-29	5.5	13-19
2.4	350-450	27-30	6.0	19-32
2.8	400-500	27-30	6.0	19-32
3.0	400-500	27-30	6.5	25-38
3.2	425-525	27-30	6.5	25-38
4.0	475-575	27-31	7.0	25-38
5.0	550-650	27-31	7.0	25-38
6.4	700-800	28-32	8.5	38-50

Package dimensions
Wire diameter ( mm)	2.0, 2.5, 3.0, 3.2, 4.0, 4.5, 4.8, 5.0, 6.4
Weight ( kilogram )	25, 50, 150, 350, 1000
Remarks	The above can be customized according to customer requirements.