PRODUCTS
PRODUCT
3A21 aluminum alloy, also known as A921 aluminum alloy, is an aluminum alloy material composed of aluminum and a small amount of other alloy elements such as manganese, copper, chromium, and Zinc. 3A21 aluminum bar has good tensile strength and yield strength and can meet applications with various strength requirements. 3A21 aluminum alloy has good corrosion resistance and can be used for a long time in humid and corrosive environments without rusting easily. Besides, 3A21 aluminum bar can be subjected to various surface treatments, such as anodizing, spraying, chrome plating, etc., to increase its surface hardness and decoration. Another thing that makes 3A21 aluminum bar a favorable option is aluminum alloy is light in weight and low in density compared to other metals. It is an ideal lightweight material and is suitable for product designs that require light weight.
Product Parameters
Chemical Composition
Mechanical Properties
Physical Performance
Annealing State
Scope of Application
Q1: What steel products do you mainly supply?
A: We provide a full range of steel products, including rebar, round steel, flat steel, angle steel, channel steel, H-beam, medium and thick steel plate, flattened plate, patterned plate, hot rolled coil, cold rolled coil, seamless steel pipe, welded pipe, galvanized steel, color coated steel, stainless steel, alloy steel and more. Our products comply with international standards such as GB, ASTM, EN and JIS.
Q2: Do you support customized sizes, cutting and processing?
A: Yes. Standard fixed lengths are 6 meters and 12 meters. We can provide flattening, slitting, cutting, bending, polishing and non-standard customized processing services to meet various global engineering procurement requirements.
Q3: What is the minimum order quantity?
A: 1 ton for regular in-stock products; 5 tons for customized rolled products. Small trial orders are acceptable.
Q4: What surface treatments are available for steel products?
A: Hot rolled black surface, cold rolled bright surface, pickling, sandblasting, galvanizing, painting, anti-rust oil coating, mirror wire drawing and customized anti-corrosion treatment.
Please give us a message