AWS A5.23: EA4

H08MnMoA
 Submerged Arc Welding Wire
                                                               GB/T 12470 H08MnMoA
                                                                          AWS A5.23 EA4                                                                                                                                                                            
 
Introduction: It is a kind of low alloy welding wire with appropriate manganese and molybdenum content. It matches with low-manganese and low-silicon type welding flux. It has excellent bead molding, excellent slag detachability and high welding efficiency.
 
Application: Matched with sintered flux SJ101 to welding low alloy steel structures, likes boilers, pressure vessels, and pipes, etc.
 
Chemical Composition of Welding Wire(%)

C	Mn	Si	S	P	Cr	Ni	Mo
≤0.10	1.2~1.60	≤0.25	≤0.030	≤0.030	≤0.20	≤0.30	0.30~0.50
0.08	1.32	0.18	0.016	0.018	0.013	0.006	0.42

 
 
Mechanical Properties of Deposited Metal

Flux Matched	Test Item	Rm(MPa)	ReL/Rp0.2 (Mpa)	A(%)	KV2(J)	KV2(J)
F8A2-EA4-A2	Guarantee Value	550-650	≥430	≥24	≥70(0℃)	≥34(-20℃)
F8A2-EA4-A2	General Result	620	480	29	110	70

 
 
Welding Wire Size

Diameter(mm)

2.0

2.5

3.2

4.0

5.0