What is ER 308 stainless steel TIG wire? How do they differ from ER 308L and ER 308LSi?
ER 308 stainless steel TIG wire is a solid wire employed mainly in GTAW applications of austenitic stainless steel, such as the 304 and 304 L varieties. It has more chromium and nickel content and is ideal for welding stainless steel of similar grades.
ER 308L TIG wire is a derivative of ER 308 with less carbon content and is recommended for welding 304L Stainless Steel. The lower carbon content also reduces the formation of chromium carbide, which results in intergranular corrosion in the welds.
ER 308LSi TIG wire is a speciality of the basic wire containing silicon. This addition raises the wetting capability and flowability of the weld pool, thus suggesting usage where low spattering and superior bead contour are preferable. ER 308 is a basic Stainless Steel TIG Wire, while ER 308L and ER 308LSi are developed for certain applications and provide better weld flow and appearance.
Table Of Content
About ER308 Stainless Steel Tig Wires
ER-308 Stainless Steel Tig Wire Specification
Stock Availability of ER308 SS Tig Wires
Equivalent Grades Of ER308 Stainless Steel Tig Wire
Chemical Composition of SS ER 308 Tig Wires
Mechanical Properties of SS ER308 Tig Wire
Stainless Steel ER308 Tig Wires Ready Stock
ER308 Stainless Steel Tig Wires Applications and Uses
Supply & Export Destinations of ER308 Stainless Steel Tig Wire
Which industries and processes are ER 308, ER 308L, and ER 308LSi stainless steel TIG wire most used?
Stainless Steel TIG Wires such as ER 308, ER 308L and ER 308LSi are used in different industries due to their versatility and compatibility with austenitic stainless steel. ER 308 is used mainly in general fabrication and welding jobs where materials like 304 and 304L grades of stainless steels are used for food processing equipment and structures, chemicals, and architectural applications. ER 308L TIG wire is recommended for welding 304L stainless steel where severe corrosion resistance and weld appearance are required, such as in pharmaceutical equipment, dairy processing and marine applications.
Thus, ER 308LSi has better flow ability and appearance than the welding electrodes mentioned above. It is more suitable for precise welding, such as in automobile, aerospace, and medical equipment manufacturing, where surface appearance and precision are important. These TIG wires are essential in many industries that require welding of austenitic stainless steels to produce sound welds with excellent corrosion characteristics.
Classification | AWS A5.9-A5.9M |
---|---|
Tig Wire Size | 1.20 mm – 6.00 mm |
Length | 36”, 500 mm or 1000 mm ± 1.00 mm |
Form | TIG cut lengths, Reels and Coils |
Type | Tig Filler Wire, Tig Welding Wires |
Material / Grade | Stainless Steel / ER 308 |
Diameters | .023”, .030”, .035”, .045”, 1/16”, 3/32”, 1/8” |
Wire Finish | Bright & Matt Finish |
Packing | in plastic or fibre tubes of 5 kg or 10 lbs. |
Standard TIG straight lengths are available | 36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request. |
Application & uses |
Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry |
STANDARD | AWS | UNS | DIN | Class |
SS ER-308 | A5.9 | S30883 | 1.4842 | ER308 |
C | Mn | Si | S | P | Ni | Cr | Mo | Cu |
0.080-0.15. | 1.00-2.50 | 0.30-0.65 | 0.030 Max | 0.030 Max | 20.00-22.50 | 25.00-28.00 | 0.75 max. | 0.75 Max |
UTS (N/mm2) | EL % (5d) | CHARPY “V” NOTCH IMPACT AT | FERRITE .(FN) |
540-660 | 30-40 | +200C : 50-80 J | Nil |
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ER308 Stainless Steel TIG Wire in Miscellaneous Fabrication
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ER 308 Stainless Steel TIG Wire Stock Availability
ER 308 SS TIG Filler Wire
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ER 308 SS TIG Welding Wire
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