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H308

Category:

Submerged Arc Welding Wire

H308 is an arc-welding flux for austenitic stainless steel, used in conjunction with the corresponding flux for conventional welding of 304 stainless steel.

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H308

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Product Description

Quite standard

Compliant

GB/T 17854 H0Cr21Ni10

Equivalent to

AWS A5.9 ER308

Characteristics and Applications

H308 is an arc-welding flux for austenitic stainless steel, used in conjunction with the corresponding flux for conventional welding of 304 stainless steel.

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	S	P	Cr	We
0.065	1.79	0.33	0.008	0.015	19.78	10.25

Typical Mechanical Property Values of Deposited Metal
Tensile strength ( megapascal )	Elongation ( % )	AVK Impact energy ( -196 °C)
465	42	78

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.