ER70S-3 is a high-performance welding material. It possesses excellent welding process characteristics and can adapt to a variety of welding conditions.
In terms of arc stability, ER70S-3 performs exceptionally well. The stable arc combustion makes the welding process smoother, contributing to improved weld bead formation quality. It maintains a stable arc in various welding positions, including flat, vertical, and horizontal welding, reducing the occurrence of welding defects.
Its deposited metal exhibits high strength and good toughness. The strength meets relevant standard requirements, providing reliable mechanical properties for the welded joint. Simultaneously, good toughness ensures that the weld will not easily undergo brittle fracture under certain external forces, improving the safety and reliability of the welded structure.
The chemical composition of ER70S-3 is rationally designed, ensuring good fusion between the welding material and the base metal. It can achieve good bonding with a variety of common steels, forming high-quality welds.
During the welding operation, ER70S-3 requires relatively low skill levels from welders and is easy to master. This allows for more efficient welding work and reduces welding costs.
Furthermore, ER70S-3 produces less spatter. This reduces contamination of the welding environment and the surface of the workpiece, making the welding site cleaner and facilitating subsequent cleaning work.In summary, ER70S-3, with its stable arc, excellent mechanical properties, superior fusion, ease of operation, and low spatter, has become a highly favored welding material in the welding field. It provides reliable assurance for various welding projects, ensuring that welding quality reaches a high level.

AWS A5.18 ER70S-3 welding wire

Application

Welding Positions:

Notes:

Chemical Composition (%)

AWS A5.18 ER70S-3
1. Used for welding low-carbon steel & thin plates.
2. Used for welding low-carbon steel parts with thorough surface treatment.

Chemical Composition         C                         Mn                        Si                        S                       P                     Ni                   Cr                 Mo                 V                    Cu

Guarantee Value        0.06~0.15        0.90~1.40       0.45~0.75      ≦0.025       ≦0.025         ≦0.15          ≦0.15        ≦0.15        ≦0.03         ≦0.50

General Result               0.074                 1.15                  0.63               0.021            0.020          0.023           0.021        0.023          0.004           0.12

Mechanical Properties of Deposited Metal (Ar+20%CO2 Gas shielded)

Test Item                                  Rm(N/mm2)                                   Rel/Rp0.2(N/mm2)                                      A (%)                                                    KV2(J)-20℃

Guarantee Value                ≧500                                                 ≧420                                                ≧22                                                     ≧27

General Result                     525                                                      430                                                   28                                             103、97、100

Reference Current (DC+)

Size(mm)                                              Current range (Amps)                                                    GAS flow rate(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

We are manufacture in Tianjin, China, We produce Gas-shielded Solid Welding Wire, welding wire,welding rod,Solid Solder, the standards are AWS ER316L. AWS ER308L, AWS ER44-G, AWS ER316, AWS ER308, AWS ER49-1, AWS ER70S-3, AWS ER70S-4, AWS ER70S-6, AWS ER70S-G, AWS ER90S-G, AWS ER100S-G, AWS ER110S-G

Gas shielded welding wire is a kind of welding wire, also called Mag/Mig welding wire which is matched with CO2 gas or Arc gas in welding. It has strong resistance to surface scales and oil stains on the base metal. It has low blowhole sensitivity.

CO2 Gas-Shielded Welding Wire is used to welding carbon steels and 500Mpa high strength steels, used in car, building, ships and bridge. Can also be used for speed welding of sheet and pipes.
Our advantages is stable arc, little spatter, less smoke; higher deposition efficiency; excellent welding performance; easy restrike.

Applications for CO2 Welding Wire
Mainly used for welding low carbon alloy steel, widely used in industries of vehicles, bridge-engeering, machine-engeering, steel structure, shipping manufacture and contaiers.
Mechanical Propeties of Deposited Mental
Yield Point MPa ≥420
Tensile Strength MPa ≥500
Specific Elogation (%) ≥22
Akv Value J ≥27 (-30ºC)
Packaging & Delivery for Welding Wire
Packaging Details: 15kgs/spool, 72cartons/pallet
Delivery Detail: Within 25 days after confirmation
Packaging & Shipping
Packing:15kgs/spool, 72cartons/pallet