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AISI 304 Stainless Spring Steel Strip

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AISI 304 Stainless Spring Steel Strip

Country/Region china
City & Province changsha hunan
Categories Mining and Metallurgy Projects

Product Details

AISI 304 Stainless Spring Steel Strip

AISI 304 stainless steel (X5CrNi18-10) is a conventional austenitic stainless steel with good resistance to atmospheric, organic and inorganic chemicals. This material is widely used due to its excellent intergranular corrosion resistance, good cold deformability, good deep drawability and weldability.
 
Dimensions and tolerances
Thickness: 0.01 to 5 mm; Tolerances: +/- 0.008 to 0.11 mm
Width: 5 to 1219 mm; Tolerances: +/- 0.15 to 0.60
*accept nonstandard size, please contact with our sales.
 
Our Advantage
1. Precise thickness, uniform hardness. Bright surface, smooth edge.
2. High flatness of board surface, high performance after multiple bending.
3. No cracking after stamping, and the quality is stable. And we provide Self-Inspection Reports and Raw-Material Test Certificates.
4. Professional anti-rust protective packaging. On time delivery, competitive price.
5. Large stock available, no MOQ requirement

AISI 304 Stainless Strip Chemical composition

Steel designation% by mass
NameNumberCSIMn

P

max.

S max.NCrMoNiOthers
Austenitic steels
AISI304max. 0,07max. 1,00max. 2,000,0450,015max. 0,1117,5 to 19,5 8,0 to 10,5 

 

AISI 304 Stainless Strip Mechanical properties

Designation

Tensile strength

MPa,

+C10001 000 to 1 150
+C11501 150 to 1 300
+C13001 300 to 1 500
+C15001 500 to 1 700
+C17001 700 to 1 900
+C19001 900to2 200

 

AISI 304 Stainless Strip Delivery condition

This steel is only hardened by cold rolling. The modulus of elasticity, E , has a value of approximately 21 0 MPa, which cannot be increased by heat treatment.
 
Stainless spring steels Strips are classified as austenitic stainless steel. Due to their good balance of mechanical properties, they are the most widely used type of steel. They can be used in a variety of environments without being plated to prevent rust. In addition, as it is also possible to increase their hardness by rolling, they can be used as spring parts.
 
In annealed and lightly rolled materials, they exhibit a large degree of elongation, and can withstand complex processing. Springs are used in plenty of applications in the present-day world. Even so, only a few people have a nodding acquaintance with the brass tracks of spring manufacturing and the different qualities needed for various functions. While coiling steel into a spiral of desired length and diameter is the primary and center-most stage of spring fabrication, other treatments during and after the procedure determine the quality of the product that reaches the consumer.
 

AISI 304 Stainless Strip Surface

In the condition +C, strip shall be delivered with a bright surface (2H), or a rough, matt surface
 

Information to be supplied by the purchaser

The following information shall be supplied by the purchaser at the time of enquiry and order:
a) the quantity to be delivered;

  • the designation of the product form (e.g. strip or cut length);
  • the number of the dimensional standard (EN 10258);
  • the dimensions and tolerances on thickness, width and length according to EN 10258 and, if applicable, letters denoting relevant special tolerances
  • the internal coil diameter according to EN 10258
  • the number of this European Standard (EN 10151);
  • steel name or steel number
  • the delivery condition
  • the type of inspection document in accordance with EN 10204

 

AISI 304 Stainless Strip Internal soundness

The products shall be free from internal defects that could impair their application to a significant extent. Tests appropriate for an assessment of the internal characteristics may be agreed upon at the time of enquiry and order.
 
AISI 304 1.4306 (X2CrNi19-11) and 1.4307 (X2CrNi18-9) are ultra-low carbon versions of 1.4301. The purpose is to improve the corrosion resistance after welding and prevent carbide precipitation caused by stress relief for a long time.
Grade 304 is a standard "18/8" stainless. It is the most versatile and most widely used stainless steel available, even though a wide range of alternatives are available; and has excellent forming and welding characteristics. The balanced austenitic structure of Grade 304 enables it to be severely deep drawn without intermediate annealing. This means that this grade steel is dominant in the manufacture of drawn stainless parts such as sinks, hollow-ware and saucepans. For these applications, it is common to use special "304DDQ" (Deep Drawing Quality) variants. Grade 304 can be readily braked or roll-formed into a variety of components for applications in the industrial, architectural, and transportation fields. It also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.
SAE 304 stainless steel is the most common stainless steel. The steel contains both chromium (between 18% and 20%) and nickel (between 8% and 10.5%) metals as the main non-iron constituents. It is an austenitic stainless steel. It is less electrically and thermally conductive than carbon steel. It is magnetic, but less magnetic than steel. It has a higher corrosion resistance than regular steel and is widely used because of the ease in which it is formed into various shapes.
Cold rolled narrow strip of thicknesses up to and including 3 mm in rolled widths fess than 600 mm made from the stainless steel grades. The steels are used in the conditions for the production of springs and spring parts that are exposed to corrosive effects and sometimes slightly increased temperatures.

AISI 304 Stainless Strip Delivery form

Strip is usually supplied in coils. Thin strip may be wound on a supporting centre, made of steel, cardboard or other material, in order to avoid the collapse of the centre. Strip may also be supplied as a spool, in order to increase coil weight, whilst minimising coil outside diameter, in the latter case, any welds shall be clearly marked.
 
Alternatively, strip may be supplied in cut lengths. These may be in a box, or on a pallet, and perhaps strapped together in bundles.
 
Several coils, or bundles of cut lengths, may be assembled on a carrier.
 
Unless otherwise agreed at the time of enquiry and order, the choice of delivery form is left to the discretion of the manufacturer.
 
Unless otherwise agreed at the time of enquiry and order, cold-rolled strip for springs is delivered with the edges. By special agreement, strip can also be supplied with mill edges or with special edges, e.g. machined edges, deburred edges or edges dressed to produce a regular form, usually square or round.
 
Options
—any requirement concerning manufacturing process of the steel and of the products
—any requirement concerning form of delivery
—any requirement concerning condition of the edges
—any requirement concerning special treatment conditions
—any requirement concerning special technological properties
—any requirement concerning surface finish
—any requirement concerning bending limit of strip differing
—any requirement concerning testing of internal soundness
—any requirement concerning additional specific testing
—any requirement concerning tensile testing for checking the uniformity of tensile strength
—any requirement concerning determination of product analysis
—any requirement concerning carrying out of bending ability tests
—any requirement concerning tolerances on flatness, edge waviness and edge camber
—any requirement concerning measurement of coil set including the relevant values
 
 

AISI 304 Stainless Strip Inspection and testing

Product analysis
Bending ability
Coil set
Extent of testing
Tensile and bending tests
Tolerances on shape
verification of the dimensions
visual examination of the surface quality of the products;
Tensile test without checking the uniformity of tensile strength
Tensile test for checking the uniformity of tensile strength
 

 






























































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