Name: Golden Bridge ER80S-G (JQ-TH550-NQ-Ⅱ) MIG Welding Wire
Brand: Golden Bridge
SKU: JQ-TH550-NQ-Ⅱ-030-0002
Availability: InStock

JQ-TH550-NQ-Ⅱ

AWS A5.28 ER80S-G
ISO 14341-B-G 55A 4 M21 SZ

Introduction：

JQ-TH550-NQ-Ⅱ is a gas shielded solid welding wire for weathering steel, which has excellent welding performance with optimal bead appearance and is permitted for welding in all positions. The deposited metal has good atmospheric corrosion resistance, crack resistance, good plasticity and toughness.

Purpose：

The product is applicable for welding weathering steels with tensile strength of 550MPa, such as 15MnCuCrQT, etc. It is commonly used in the fields such as rolling stock, offshore engineering, containers, bridges and so on.

Chemical composition of welding wire (%)

Item	C	Mn	Si	S	P	Ni	Cr	Cu
Example value	0.057	1.40	0.46	0.008	0.016	0.33	0.48	0.30

Mechanical properties of deposited metal (Ar+20%CO₂)

Test item	Rm (MPa)	ReL/Rp₂ (MPa)	A (%)	KV₂(J) -40℃
Example value	590	495	28	112, 120, 118

Reference specification (DC⁺)

Specification of welding wire (mm)	Welding current (A)	Gas flow (L/min)
Φ0.8	50-100	15
Φ1.0	50-220	15-20
Φ1.2	80-350	15-25
Φ1.6	170-550	20-25

Welding Position:

Diameter	* 0.030 inches (0.8 mm), * 0.040 inches (1.0 mm), * 0.045 inches (1.20 mm), * 1/16 inches (1.6 mm)
Package	2.2 lb (1 kg), 11 lb (5 kg), 33 lb (15 kg), 44 lb (20 kg), 550 lb (250 kg), 770 lb (350 kg)

AWS A5 Series Code	American Welding Society (AWS) Standard Title
AWS A5.1	Carbon Steel Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.2	Carbon and Low-Alloy Steel Rods for Oxyfuel Gas Welding (OFW)
AWS A5.3	Aluminum and Aluminum Alloy Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.4	Stainless Steel Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.5	Low-Alloy Steel Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.6	Copper and Copper-Alloy Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.7	Copper and Copper Alloy Bare Welding Rods and Electrodes
AWS A5.8	Filler Metals for Brazing and Braze Welding.
AWS A5.9	Carbon Steel Electrodes and Fluxes for Submerged Arc Welding (SAW)
AWS A5.10	Bare Aluminum and Aluminum-Alloy Welding Electrodes and Rods.
AWS A5.11	Nickel and Nickel Alloy Welding Electrodes for Shielded Metal Arc Welding (SMAW), Gas Tungsten Arc Welding (GTAW), and Plasma Arc Welding (PAW)
AWS A5.12	Tungsten and Tungsten Alloy Electrodes for Arc Welding and Cutting
AWS A5.13	Surfacing Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.14	Nickel and Nickel-Alloy Bare Welding Electrodes and Rods
AWS A5.15	Welding Electrodes and Rods for Cast Iron
AWS A5.16	Titanium and Titanium Alloy Welding Electrodes and Rods
AWS A5.17	Carbon Steel Electrodes and Fluxes for Submerged Arc Welding (SAW)
AWS A5.18	Carbon Steel Electrodes and Rods for Gas Shielded Arc Welding (GMAW)
AWS A5.19	Magnesium Alloy Welding Electrodes and Rods
AWS A5.20	Carbon Steel Electrodes for Flux Cored Arc Welding (FCAW)
AWS A5.21	Bare Electrodes and Rods for Surfacing
AWS A5.22	Stainless Steel Electrodes for Flux Cored Arc Welding (FCAW)
AWS A5.23	Low-Alloy Steel Electrodes and Fluxes for Submerged Arc Welding (SAW)
AWS A5.24	Zirconium and Zirconium-Alloy Electrodes and Rods for GTAW, GMAW, PAW (Plasma Arc Welding)
AWS A5.25	Specification for Carbon and Low-Alloy Steel Electrodes and Fluxes for Electroslag Welding (ESW)
AWS A5.26	Specification for Carbon and Low-Alloy Steel Electrodes for Electrogas Welding (EGW)
AWS A5.27	Specification for Carbon and Low-Alloy Steel Electrodes and Rods for Gas Shielded Arc Welding
AWS A5.28	Specification for Low-Alloy Steel Electrodes and Rods for Gas Shielded Arc Welding
AWS A5.29	Specification for Low-Alloy Steel Electrodes for Flux Cored Arc Welding (FCAW)