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304/304L Stainless Steel Bar

Type 304 is a variation of the basic 18-8 grade, Type 304, with a higher chromium and lower carbon content. Type 304L is an extra low-carbon variation of Type 304 with a 0.03% maximum carbon content that eliminates carbide precipitation due to welding.

Type 304 is a variation of the basic 18-8 grade, Type 304, with a higher chromium and lower carbon content. Lower carbon minimizes chromium carbide precipitation due to welding and its susceptibility to intergranular corrosion. In many instances, it can be used in the ”as-welded“ condition, while Type 304 must be annealed in order to retain adequate corrosion resistance.

Type 304L is an extra low-carbon variation of Type 304 with a 0.03% maximum carbon content that eliminates carbide precipitation due to welding. As a result, this alloy can be used in the ”as-welded“ condition, even in severe corrosive conditions. It often eliminates the necessity of annealing weldments except for applications specifying stress relief. It has slightly lower mechanical properties than Type 304.


Chemical Composition:

Chemical Composition Limits
Weight%CSiMnP + SCrNiFeMoCu
AMS 5513
304
0.08 max1.00 max2.0 max0.040 P
0.03 S
18.0 - 20.08.0 - 10.5Bal0.75 max0.75 max
AMS 5511
304L
0.03 max1.00 max2.0 max0.040 P
0.03 S
18.0 - 20.08.0 - 11.00Bal0.75 max0.75 max


Typical Mechanical Properties:

SpecificationTensile Strength (ksi)Yield Strength (ksi)Elongation (%)Reduction of AreaHardness HB
Bar (Sol Treated)
304 - AMS 5639
75304050


Stainless steel round bar has good corrosion resistance, heat resistance, low temperature strength and mechanical properties, punching, bending, such as hot workability is good, no heat treatment hardening phenomenon.
Purpose: tableware, ambry, boiler, auto parts, medical appliances, building materials, food industry (using the temperature - 196 ° C to 700 ° C), 300 series stainless steel round bar the main features are: high temperature resistant generally used in the boiler, the car's exhaust.



The  bars  are  wrapped with anti-rust paper and steel rings to prevent damage. Identification labels are tagged according to standard specification or customer's instructions. Special packing is available as per customer's requirement.Ply wooden box are available for special protection. Other kinds of packing can be offered if request.



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