E7018 LOW HUDROGEN TYPE WELDING ROD

Model:	HERO E7018
Brand:	STONE BRIDGE
Origin:	Made In China
Category:	Industrial Supplies / Machinery / Welding Solders
Label:	E7018 , FACPTORY , WHOLSALE
Price:	US $0.85 / kg
Min. Order:	1000 kg

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Product Description

Description

SQ-7018 is a general purpose, low hydrogen electrode for welding 490MPa class high tensile steel. E7018 has a very good deposition rate, producing steady arc with low spatter and medium penetration.

Key Features

Improved coating integrity

Extreme bendability

60% less moisture pickup vs. competition

Reduction of arc starting porosity

Clear puddle and a smooth arc

DEPOSIT COMPOSITION(1)

	%C	%Mn	%Si	%P	%S	%Ni
Requirements - AWS E7018 H4R	0.15 max.	1.60 max.	0.75 max.	0.035 max.	0.035 max.	0.30 max.
Typical Results(3)	0.03-0.08	1.01-1.55	0.34-0.68	0.01-0.02	≤ 0.01	0.01-0.06
	%Cr	%Mo	%V	%Mn + Ni + Cr + Mo + V	Diffusible Hydrogen (mL/100g weld metal)
Requirements - AWS E7018 H4R	0.20 max.	0.30 max.	0.08 max.	1.75 max.	4.0 max.
Typical Results(3)	0.02-0.07	≤ 0.05	≤ 0.02	1.04-1.75	2-3

TYPICAL OPERATING PROCEDURES

Current (Amps)
Polarity(4)	3/32 in (2.4 mm)	1/8 in (3.2 mm)	5/32 in (4.0 mm)	3/16 in (4.8 mm)	7/32 in (5.6 mm)	1/4 in (6.4 mm)
DC+	70-110	90-160	130-210	180-300	250-330	300-400
AC	80-120	100-160	140-210	200-300	270-370	325-420

(1)Typical all weld metal. (2)Measured with 0.2% offset. (3)See test results disclaimer on pg. 18. (4)Preferred polarity is listed first.

MECHANICAL PROPERTIES

	Yield Strength	Tensile Strength	Elongation	Charpy V-Notch J (ft•lbf)
	MPa (ksi)	MPa (ksi)	%	-29°C (-20°F)
Requirements - AWS E7018	400 (58) min.	490 (70) min.	22 min.	27 (20) min.
Typical Results - As-Welded	430-510 (62-74)	510-605 (74-88)	25-37	121-332 (89-246