3A21 aluminum sheet a ni a.

3A21 Aluminum Sheet hi domestic aluminum-Manganese series rust-proof aluminum alloy plate (old grade LF21) a ni a, 1.0%-1.6% manganese a awm a, corrosion resistance chak tak nei, processability tha tak, welding awlsam zawk (argon arc welding is preferred), stamping, leh bending te a awm bawk. Tensile strength hi 110-160mpa vel a ni a, heat treatment pawh tihchak theih a ni lo. Common thickness chu 0.3-6mm a ni a, state chu O (soft state), H14/H18 (semi-hard to full hard), etc. ah then a ni.

3A21 Aluminum Sheet hian processing adaptability tha tak a nei a, precision processing technology hrang hrang a support bawk:

1. Cold processing .

- Stamping: A tawp berah chuan stretching ratio chu 2.3 a tling thei a, chu chu kitchen hmanrua, container leh deep stamping part dang siamna atan a tha a ni.

- bending: bending radius tlem ber chu 1.5t (plate thickness) a ni a, rebound angle chu 2℃chhungah control a ni.

- Spinning: Wall thickness tihtlem rate 70% aia tlem emaw, a tlukpui emaw, cylindrical parts processing atan a tha

2. Special Welding kalpui dan tur .

- TIG Welding: ER5356 Welding Wire hman a ni a, weld strength coefficient chu 0.85 aia tam emaw, a tlukpui emaw a ni.

- Laser welding: Power 3-5kW, welding speed 1.5-3m/min a ni.

- Stir friction welding: A bik takin 6mm aia sang plate thick connect nan a tha

3. Precision Machining 1000 a ni.

- CNC Milling: A chhuahna tur hmun leh a hmanna tur hmun chu a in ang lo hle.

- Drilling: Speed ​​800-1200rpm, ei tur rate 0.1-0.2mm/r a ni.

4. Lei chung lam enkawlna technology .

- Chemical polishing: phosphoric acid hmangin-Nitric acid system hmangin a chung lam roughness chu RA0.4μM ah tihhniam theih a ni.

- Anodizing: Film thickness 10-25μm, Hardness HV300-500

- Sandblasting: 120-240 mesh glass sand hmang la, SA2.5 Thianghlimna

5. Heat hmanga enkawl dan tur .

- Annealing: 340-400℃insulation darkar 2-4 chhung a awm a, chu chuan processing stress a ti bo vek a ni.

- Stabilization: Dimensional stability tihchangtlun nan darkar 6 chhung atan 150-180℃insulation

1. Customer mamawh ang zela siam theih;

2. Mature processing technology, man hian aluminum coil siamtu dangte nena khaikhin chuan a thatna nasa tak a nei a;

3. 6 semi-Chhunzawm tur siamchhuahna line 6 a nei a, casting leh rolling production line chhunzawm zel 10 leh processing equipment lian dang 44 a nei a, kum khatah ton maktaduai 1.4 vel a chhuak a

4. Thla tin output chu ton 10,000 a tling thei.

International customer 32 kan thawhpui te chuan 3A21 aluminum plate chu fakna sang tak an pe a. Japan lawng siamtu pakhat chuan feedback a pe a: "Kum 5 chhung zet tuifinriat tui boruak a corrosion awm lo, DNV GL certification mamawh zawng zawng phuhruk kim vek a ni." German chemical hmanrua siamtute chuan an welding performance chu a bik takin an hre chiang hle a, "Mig welding pass rate chu 85% aṭangin 98%-ah a pung a, hei hian rework cost nasa takin a tihhniam a ni. Southeast Asian Food Machinery siamtute chuan an fak hle a: "FDA-Certified materials hian faina tehfung a tlin kim vek a, surface polishing effect hian 304 stainless steel a pel bawk. Customer 80% chuan repurchase survey-ah hian 5-star rating an pe a, a bik takin a: 1) stable mechanical property inthlak danglamna 3% aia tlem emaw, a tlukpui emaw 2) Thickness control dik tak (±0.02mm); 3) Tuipui atanga phurh chhuahna packaging zero damage rate. European engineering company pakhat chuan kum 8 zet a zawnin a lei tawh a, a hman dan chu ton 15,000 chuang a ni.