China wholesale Corrosive Flux Factory - AWS E7015-A1 Low-alloy steels Manual electrode Welding accessories – Honest Metal

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China wholesale Corrosive Flux Factory - AWS E7015-A1 Low-alloy steels Manual electrode Welding accessories – Honest Metal Detail:

Application&Standard&Note：

E7015 type low alloy steel hand electrode is suitable for welding working temperature below 510℃ boiler pipe, heat exchanger and other occasions, such as ASTM A204 and A335-P1 pipe;

The electrode must be dried before use, keep a short arc, the use of backward forward welding method, avoid the occurrence of porosity at the arc; Low hydrogen should be maintained throughout the welding process. Low alloy steel electrode selection, usually according to the chemical composition of steel, mechanical properties, crack resistance and other requirements, but also from the welding structure shape, working conditions, stress and welding equipment and other aspects of comprehensive consideration. If necessary, welding performance tests shall be carried out to determine the electrode and necessary process measures shall be taken.

Features

1. Low sodium hydrogen electrode, adding 0.5% Mo to improve weld strength and corrosion resistance;

2. Stable arc, less splash, good forming, easy to desagger, X-Ray performance is excellent.

Generally choose the corresponding electrode according to the strength of the steel grade, at the same time also need to steel weldability, the transition of parent metal components, dare to answer the structure size, shape, groove and the stress concentration factors, such as comprehensive consideration, the cooling speed of welding is too big, is a higher strength, weld street products easily crack the adverse circumstances, often can choose some less than the strength of parent metal electrode.

High Carbon steels Solid wire welding accessories
High Carbon steels Manual electrode welding accessories

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Product composition and mechanical properties introduction

CHEMICAL COMPONET:

ALLOY(wt%)	C	Mn	Si	Cr	Mo	P	S
GB/T RULES	0.12	1.00	0.80	-	0.40-0.65	0.03	0.030
AWS RULES	0.12	0.90	0.60	-	0.40-0.65	0.03	0.030
EXAMPLE VALUE	0.07	0.75	0.35	0.035	0.55	0.014	0.012

MECHANICAL PROPERTY:

PROPERTY	YIELD STRENGTH(MPa)	EXTENSION STRENGTH(MPa)	HEATTREAMENT℃xh	IMAPACT VALUE J/℃	ELONGATION(%)
GB/T RULES	390	490	620*1	-	22
AWS RULES	390	490	620*1	-	22
EXAMPLE VALUE	477	570	620*1	150/Normal temperature	28

RECOMMENDED WELDING PARAMETERS:

DIAMETERS SPECIFICATIONS(mm)		2.6*350	3.2*350	4.0*400	5.0*400
ELECTRICITY (Amp)	H/W	80-110	100-130	130-180	170-210
	O/W	60-100	80-120	120-160	-

PACKING DETAILES：

2.6mm	300mm	48PCS	2KG
3.2mm	350mm	27PCS	5KG
4.0mm	350mm	16PCS	5KG
5.0mm	350mm	12PCS	5KG

430Mpa Hand Electrode For Low Carbon Steel04

Typical Cases

430Mpa Hand Electrode For Low Carbon Steel05
典型项目

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