Standard: ASTM, AISI, DIN, EN, GB, JIS
Technique: Hot Rolled/Cold Rolled/Galvnized
Processing Service: Welding, Punching, Cutting
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Get A QuoteStainless steel Wire is a versatile and widely used material with the following characteristics:
Chemical Composition
Stainless steel wire is mainly composed of iron, chromium, nickel and other elements. The chromium content is usually at least 10.5%, which reacts with oxygen in the air to form a chromium oxide passive film on the surface, giving the steel its corrosion resistance. Nickel is often added to improve corrosion resistance and ductility. Some stainless steel wires also contain molybdenum, which further enhances corrosion resistance, especially in chloride and sulfide environments. The following is the chemical composition of common grades:
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo |
| 304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 18.00-20.00 | 8.00-10.50 | - |
| 316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.00-18.00 | 10.00-14.00 | 2.00-3.00 |
Mechanical Properties
•Strength: Stainless steel wire has high tensile strength, and the tensile strength of different grades varies. For example, the tensile strength of 304 stainless steel wire is about 515 MPa-760 MPa, and that of 316 stainless steel wire is about 515 MPa-690 MPa.
•Ductility: It has good ductility and can be bent, drawn and formed without cracking easily.
•Hardness: The hardness of stainless steel wire is also different. It can be adjusted by heat treatment and cold working to meet the needs of different applications.
Standard Specifications of Corresponding Countries
| Country/Region | Standard Specification |
| China | GB/T 4240, GB/T 20878 |
| United States | ASTM A276, ASTM A484/A484M |
| Europe | EN 10088, EN 10272 |
Popular Grades
•Grade 304: It is the most widely used grade, with excellent corrosion resistance, high strength and good ductility. It is non-magnetic when annealed and is widely used in various fields such as food processing, construction and household appliances.
•Grade 316: It has better corrosion resistance than 304, especially in marine and chemical processing environments containing chloride ions. It is also widely used in construction, medical equipment manufacturing and other fields.
Popular Questions and Answers
Q: What makes stainless steel "stainless"?
A: Stainless steel has to contain at least 10.5% chromium and it is this which reacts with oxygen in the air to form a complex chrome-oxide surface layer which is invisible to the eye. It is this invisible layer which acts to prevent further oxygen from staining the surface of the stainless steel and leaving any rusting.
Q: What does 18/8 or 18/10 mean regarding stainless steel?
A: The first number refers to the percentage of chromium which is contained in the stainless steel, and the second number is the amount of nickel which is present in the stainless steel. For example, in the case of 18/8, there is 18% chromium and 8% nickel.
Q: Can stainless steel be welded?
A: Stainless steel can be welded easily providing that the procedure of welding is changed. The rod or electrode which you use to weld must be stainless steel though.
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