S211
sanzhong
S211 ERCuSi-A
spool - drum - tig
China
AWS A5.7 S211 (ERCuSi-A)
international standard
ISO, CE, DB
accept ODM also
1kg / 5kg / 15kg / 150kg / 250kg
7-15 Days
1000 KGS
1200 Tons per Month
0.8mm / 0.9mm / 1.0mm / 1.2mm / 1.6mm / 2.0mm
025 / 030 / 035 / 040 / 045 / 0.030
| Availability: | |
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| Quantity: | |
Standard:AWS A 5.7 S211 | Chemical Composition % | ||||
Si | --- | Mn | --- | Cu | |
Grade S211 | 2.8 ~ 4.0 | --- | 0.5 ~ 1.5 | --- | Rest |
AWS A5.7 S211-Silicon Bronze Welding Wire S211-ERCuSi-A.pdf
Type | Spool (MIG) | Tube (TIG) | ||||||
Specification ( MM ) | 0.8、0.9、1.0、1.2、1.6、2.0 | 1.6、2.0、2.4、3.2、4.0、5.0 | ||||||
Package | S100/1kg S200/5kg S270,S300/15kg-20kg | 5kg/box 10kg/box length :1000MM | ||||||
Mechanical Properties | Tensile Strength Mpa | Elongation after fracture A(%) | ||||||
≥ 350 | ≥ 40 | |||||||

AWS A5.7 S211 (ERCuSi-A) silicon bronze welding wire is used in railway locomotives,welding arc stability, beautiful welding, strong crack resistance. Welding operation and fluidity of molten gold are better.


ERCuSi-A is specifically designed for the following welding processes:
GMAW (MIG) with a 100% Argon shielding gas (or an Argon/Helium mixture). For MIG, use a small molten pool and stringer beads to avoid
overheating the hot-short alloy .
GTAW (TIG) with DCEN (Direct Current Electrode Negative) and Argon or Helium shielding gas. ACHF (Alternating Current High Frequency) can
also be used for cleaning action .
Proper interpass temperature control is recommended, typically not exceeding 150°F (66°C), to minimize the risk of cracking .
Based on the available information, here is a filler metal identification chart for the AWS A5.7 S211 (ERCuSi-A) silicon bronze welding wire, listing
three key identification items.
Filler Metal Identification Chart (3 Items)
Category Identification / Value
1. Standard & Classification AWS A5.7 / A5.7M, Classification: ERCuSi-A
2. UNS Number C65600
3. Key Alloying Element Silicon (Si): 2.8 – 4.0%
Additional Quick Facts
The wire is also commonly known by the trade designation S211. It is a copper-silicon alloy designed for welding copper alloys, joining
copper to steel, and MIG brazing of galvanized steel.
Filler metal shall be suitably packaged to ensure against damage during shipment and storage under normal conditions.
The following product information (as a minimum of low temperature aluminum welding wire)
shall be legibly marked so as to be visible from the outside of each unit package:
(1) AWS specification and classification designation (year of issue may be excluded best wire for welding aluminum)
(2) Supplier's name and trade designation
(3) Size and net weight
(4) Lot, control, or heat number
Welding fumes can be hazardous to your health. Work in a well-ventilated area or use a local exhaust (fume extraction) system to keep fumes away from your breathing zone .
Wear correct eye, ear, and body protection. Use welding goggles or a helmet with a shade 4-5 lens for gas welding , along with heat-resistant gloves and protective clothing . To avoid skin contact, follow standard precautions: wash thoroughly after handling, and do not allow contaminated work clothing to leave the worksite .
Avoid overheating. Excessive heat will cause zinc to evaporate from the alloy, producing excessive white fumes and leading to weld defects like porosity and reduced joint strength . Use a neutral or slightly oxidizing flame and control the heat input carefully to minimize zinc loss. Also, note that this filler metal is not suitable for furnace brazing in a controlled atmosphere due to zinc volatilization issues .
AWS A5.7 S211 (ERCuSi-A) silicon bronze welding wire 10 famous brand are which factory?
1:sanzhong, 2:giant, 3:safra, 4:Hobart, 5:SAF, 6:ALCOTEC, 7:INDALCO, 8:HYUNDAI, 9:Oxford, 10:golden bridge
AWS A5.7 S211 (ERCuSi-A) silicon bronze welding wire supplier and factories locates in such countries like?
China,America,Brazil,England,Russia,Poland,India,Pakistan,NewZealand,Korea,Australia,Dubai,Turkey,Indonesia,UAE.
AWS A5.7 S211 (ERCuSi-A) silicon bronze welding wire have how many types?
Based on the available search results, AWS A5.7 S211 (ERCuSi-A) silicon bronze welding wire is classified as a single alloy type under the AWS A5.7 standard,
but it is available in multiple physical forms and sizes.
While the alloy is fixed, the wire is supplied in various physical forms to suit different welding processes:
Diameter Range: Available in sizes from 0.8mm to 4.0mm, depending on the supplier.
Packaging: Typically supplied on spools (e.g., 12.5 kg or 15 kg) for MIG welding, or as straight rods for TIG welding.
In short, if you are asking about the alloy grade, there is only ERCuSi-A. If you are purchasing, you will need to choose based on the physical specifications
required for your welding equipment.
How to choose a suitable AWS A5.7 S211 (ERCuSi-A) silicon bronze welding wire?
Based on the available search results, here are the key factors to consider when selecting AWS A5.7 S211 (ERCuSi-A) silicon bronze welding wire.
Step 1: Confirm Your Base Metal Compatibility
This wire has excellent wetting and flow characteristics, making it suitable for several applications :
Copper and Copper Alloys: For welding copper, brass, and bronze .
Steel and Galvanized Steel: A primary use is MIG brazing on galvanized steel sheets and joining copper to steel .
Cast Iron: Can be used for building up layers on cast iron to provide wear resistance .
Step 2: Choose the Correct Process and Parameters
The choice between MIG and TIG welding will influence the specific wire size and parameters you select.
GMAW (MIG):
Polarity: Use Direct Current Reverse Polarity (DCEP) .
Shielding Gas: 100% Argon or an Argon/Helium mixture is required.
Diameter & Settings: Common diameters like 0.035" and 0.045" are used . A detailed MIG procedure table from one source lists wire feed
speeds and voltages for various sizes .
GTAW (TIG):
Polarity: Use Direct Current Electrode Negative (DCEN) .
Diameter & Settings: A TIG procedure table provides recommended amperage ranges for different filler rod and tungsten sizes, from 1/16" to 1/8" .
Step 3: Follow Critical Process Notes
To achieve a sound weld, pay attention to these key points:
Cleanliness: The weld area must be thoroughly cleaned of all oxides, oil, and grease before welding .
Control Heat Input: This alloy has a "hot-short" tendency, meaning it can crack when cooling through a certain temperature range. To avoid this,
keep interpass temperatures below 65°C (150°F) and use a small, narrow weld puddle .
Preheating: For large-area TIG welds or thick sections of certain base metals, preheating may be necessary . It is always recommended to consult
a specific welding procedure for your application.
Step 4: Select Physical Form and Size
The wire is available in multiple forms:
Spools: Typically 12.5 kg or 15 kg, for MIG welding .
Straight Rods (Cut Lengths): Available in various diameters (e.g., 1.6 mm, 2.0 mm, 3.0 mm) for TIG welding .
Additional Technical Data
For your reference, the typical properties of the S211 (ERCuSi-A) wire are :
Solidus/Liquidus: 910°C / 1025°C.
Tensile Strength: ~350 MPa.



