What is the best general-purpose aluminum alloy?

6061-T6 is widely considered the best general-purpose aluminum alloy. It offers a strong balance of strength (310 MPa tensile), good corrosion resistance, weldability, and machinability. It is heat treatable, available in all product forms (sheet, plate, bar, extrusion), and is the most commonly stocked alloy worldwide.

Can I weld 7075 aluminum?

7075 is generally considered non-weldable by conventional fusion welding methods (MIG/TIG). It is highly susceptible to hot cracking in the weld zone and suffers severe strength loss in the heat-affected zone. For applications requiring both high strength and weldability, consider 7005 or switch to 6061-T6 or 5083.

What is the difference between H32 and T6 temper?

H32 (strain hardened + stabilized) applies to non-heat-treatable alloys like 5052 and 3003 — the metal is strengthened by cold working. T6 (solution heat treated + artificially aged) applies to heat-treatable alloys like 6061 and 7075 — strength comes from precipitation hardening. You cannot apply T6 to a 5052 alloy, and you would not use H32 on a 6061 alloy.

Which alloy is best for saltwater/marine environments?

5083-H116 is the gold standard for marine applications. Its high magnesium content provides exceptional resistance to saltwater corrosion, and the H116 temper specifically ensures resistance to exfoliation and intergranular corrosion. For less demanding marine applications, 5052-H32 is a cost-effective alternative. Avoid 2xxx and 7xxx series in marine environments.

How do I choose between 5052 and 6061?

Choose 5052 when corrosion resistance is the top priority (marine, chemical, outdoor exposure) and you need to form the part without heat treatment. Choose 6061 when you need higher strength, better machinability, or heat-treatability for structural applications. The choice depends on whether your application values corrosion resistance (5052) or structural strength and versatility (6061).

Aluminium Alloy Xaiv Phau Ntawv Qhia

Xaiv cov hlau zoo rau koj qhov project. Sib piv 1xxx txog 7xxx series los ntawm lub zog, corrosion kuj, weldability, thiab nqi.

Cov ntsiab lus

Nkag siab txog Alloy Designation System

Aluminium alloys ua raws li tus qauv 4-tus lej lej. Thawj tus lej txheeb xyuas qhov tseem ceeb ntawm cov khoom siv alloying, uas txiav txim siab cov khoom tseem ceeb ntawm cov hlau.

Aluminium ntawv ci — Flat sheet thiab phaj alloy cov ntaub ntawv

Aluminium round bars — Bar stock alloy xaiv

High-strength aluminium phaj — High-strength phaj alloy sib piv

Lub International Alloy Designation System (IADS) muab tus lej plaub tus lej rau txhua qhov wrought aluminium alloy. Thawj tus lej txhais cov alloy series thiab nws cov ntsiab lus alloying. Ib tus lej no qhia koj ntau ntxiv txog kev coj tus cwj pwm zoo dua li lwm yam kev qhia tshwj xeeb.

Series	Thawj Alloying Element	Ntsiab khoom	Cov Alloys
1xxx ib	Tsis muaj (99% + ntshiab aluminium)	Zoo heev corrosion kuj, siab conductivity	1060, 1100 Nws
2xxx ib	Tooj liab (Cu)	Siab zog, kub kho	2024, 2A 12
3xxx ib	Manganese (Mn)	Zoo formability, nruab nrab lub zog	3003, 3004, 3105
5xxx ib	Magnesium (Mg)	Qhov zoo tshaj plaws corrosion kuj, weldable	5052, 5083, 5754 ib
6xxx ib	Magnesium + Silicon (Mg-Si)	Versatile, tshav kub kho, extrudable	6061, 6063, 6082 ib
7xxx ib	Zinc (Zn)	Siab zog aluminium alloys	7075, 7050 ib

Cov cuab yeej txiav txim siab

Kev txiav txim siab ceev Flowchart

Teb ib lo lus nug kom txo qis koj qhov kev xaiv alloy. Pib nrog koj qhov kev xav tau tseem ceeb tshaj plaws.

Xav tau siab tshaj corrosion kuj?

→

5xxx Series: 5052, 5083

Xav tau lub zog kho cua sov?

→

6xxx (6061) lossis 7xxx (7075)

Xav tau lub zog siab tshaj?

→

7xxx Series: 7075, 7050

Xav tau qhov zoo tshaj plaws formability?

→

1xxx (1060, 1100) lossis 3xxx (3003)

Xav tau machinability zoo tshaj?

→

2xxx (2024) lossis 7xxx (7075)

Lub hom phiaj dav dav / tsis paub meej?

→

6061-T6 (Qhov zoo tshaj plaws tag nrho-rounder)

Cov ntaub ntawv siv

Ua kom tiav Alloy Comparison Table

Kev sib piv ib sab ntawm 10 nrov aluminium alloys thoob plaws txhua yam, fabrication, thiab daim ntawv thov zog.

Alloy	Series	Tensile zog (MPa)	Yield zog (MPa)	Elongation%	Corrosion	Weldability	Formability	Machineability	Tej kev siv	Muaj Cov Qauv
1060	1xxx ib	70	30	43	Zoo heev	Zoo heev	Zoo heev	pluag	Cov khoom siv tshuaj, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob	Phaj, Phaj
1100	1xxx ib	90	35	35	Zoo heev	Zoo heev	Zoo heev	pluag	Khoom noj khoom haus, fin stock, hniav trim	Phaj, Phaj
3003	3xxx ib	110	42	30	Zoo heev	Zoo heev	Zoo heev	Ncaj ncees	HVAC, cov tais diav ua noj, vov tsev, cov ntawv hlau dav dav	Phaj, Phaj
5052	5xxx ib	230	195	12	Zoo heev	Zoo	Zoo	Ncaj ncees	Marine hardware, roj tank, siab hlab ntsha	Phaj, Phaj
5083	5xxx ib	305	215	16	Zoo heev	Zoo heev	Zoo	Ncaj ncees	Shipbuilding, offshore platforms, cryogenic tso tsheb hlau luam	Phaj, Phaj
5754	5xxx ib	245	100	26	Zoo heev	Zoo heev	Zoo heev	Ncaj ncees	Automotive lub cev panels, pem teb panels, flooring	Phaj, Phaj
6061	6xxx ib	310	275	12	Zoo	Zoo	Zoo	Zoo	Cov qauv, CNC machining, pwm, cuab yeej, marine fittings	Phaj, Phaj, Bar
6082	6xxx ib	340	310	10	Zoo	Zoo	Zoo	Zoo	Cov qauv kab teeb, txuas hniav, kev thauj mus los, sab nrauv	Phaj, Phaj, Bar
7050	7xxx ib	510	455	11	Ncaj ncees	pluag	pluag	Zoo	Aerospace qauv, bulkheads, tis tawv nqaij	Phaj, Bar
7075	7xxx ib	570	505	11	Ncaj ncees	pluag	pluag	Zoo heev	Aerospace, tub rog, cov qauv kev ua haujlwm siab, pwm	Phaj, Phaj, Bar

Cov txiaj ntsig tau pom yog ib txwm muaj rau kev kub ntxhov (H32 rau 5xxx, T6 / T651 rau 6xxx / 7xxx, O rau 1xxx / 3xxx). Cov txiaj ntsig tiag yog nyob ntawm qhov kub thiab txias ntawm cov khoom.

Temper System

Temper Designation Guide

Tsab ntawv-tus lej tom qab tom qab cov hlau nplaum (piv txwv li, 6061-T6) qhia meej tias cov hlau tau ua li cas. Qhov no ncaj qha cuam tshuam lub zog, hardness, thiab formability.

Annealed

Qhov muag muag tag nrog qhov siab tshaj plaws ductility. Siv thaum tsim los yog khoov yuav tsum tau siv ua ntej kev kho mob zaum kawg. Tsawg zog lub xeev.

H 1 x

Strin Hardened nkaus xwb

Ua kom muaj zog los ntawm kev ua haujlwm txias (dov, kos duab). Tus lej thib ob (2, 4, 6, 8) qhia txog qib hardening: H12 = quarter-hard, H14 = ib nrab-nyuaj, H18 = tag nrho-nyuaj.

H 2 x

Strin Hardened + Ib nrab Annealed

Txias ua hauj lwm tshaj qhov xav tau lub zog, ces ib nrab annealed rov qab. Muab ductility zoo dua H1x ntawm cov qib zoo sib xws.

H3x ua

Strin Hardened + Stabilized

Txias ua hauj lwm ces qhov kub thiab txias stabilized kom tsis txhob muaj hnub nyoog softening. Siv rau Al-Mg alloys (5xxx series) uas tej zaum yuav tsis muaj zog thaum lub sij hawm.

Kev kho cua sov kho + Txias ua haujlwm

Cov tshuaj kho ntawm qhov kub thiab txias, quenched, ces txias ua hauj lwm los txhim kho lub zog. Ib txwm muaj hnub nyoog mus rau qhov chaw ruaj khov. Feem ntau rau 2024-T3 aerospace daim ntawv.

Tshuaj Kho Kub Kho Mob + Ib txwm muaj hnub nyoog

Tshuaj kho thiab quenched, ces tso cai rau hnub nyoog ntawm chav tsev kub. Muab lub zog nruab nrab nrog zoo formability rau kev ua haujlwm tom qab ua haujlwm.

Kev kho cua sov kho + Artificially Aged

Qhov feem ntau muaj zog npau taws heev. Cov tshuaj kho, quenched, ces hnub nyoog ntawm qhov kub siab (150-200C) rau lub siab tshaj plaws lub zog. Txheem rau 6061-T6, 7075-T6.

t651 ua

T6 + Kev ntxhov siab los ntawm kev ncab

T6 kev kho mob ua raws li kev tswj kev ncab (1-3%) los txo cov kev ntxhov siab sab hauv. Qhov tseem ceeb rau cov phaj tuab los tiv thaiv warping thaum lub sij hawm machining.

Los ntawm Kev Lag Luam

Alloy xaiv los ntawm daim ntawv thov

Pom zoo alloys rau rau feem ntau kev lag luam uas peb pab.

⚓

Marine & Shipbuilding

Hull plating, superstructures, offshore platforms. Yuav tsum tau DNV/BV/ABS ntawv pov thawj thiab superior dej ntsev kuj.

5083 5086 5052

✈

Aerospace thiab Aviation

Airframe structures, tis tawv nqaij, bulkheads. Xav kom siab tshaj plaws zog-rau-qhov hnyav piv thiab qaug zog kuj.

2024 7075 7050

🚗

Automotive

Lub cev panels, chassis Cheebtsam, tshav kub shields. Tsom rau lub teeb yuag zog thiab zoo formability.

5052 5754 6061

🏧

Kev tsim kho

Kab hlau rhuav phab ntsa, vov tsev, cladding, structural framing. Xav tau huab cua zoo thiab yooj yim fabrication.

1060 3003 6063

💻

Electronics

Kub dab dej, enclosures, LED vaj tse, tsheb npav bar. Prioritizes thermal conductivity thiab nto tiav zoo.

1060 1100 6061

📦

Ntim

Cov thawv ntawv ci, cov kaus poom dej haus, blister packs. Xav tau cov qib zaub mov zoo nrog kev tsim kom zoo.

1060 3003 8011

Cov Lus Nug

Alloy Xaiv FAQ

Cov lus teb rau cov lus nug ntau zaus peb cov engineers tau txais txog kev xaiv aluminium alloys.

Dab tsi yog qhov zoo tshaj plaws lub hom phiaj aluminium alloy?

6061-T6 yog dav suav hais tias yog qhov zoo tshaj plaws lub hom phiaj aluminium alloy. Nws muaj qhov sib npaug ntawm lub zog (310 MPa tensile), zoo corrosion kuj, weldability, thiab machinability. Nws yog kev kho cua sov, muaj nyob rau hauv txhua yam khoom siv (daim ntawv, phaj, bar, extrusion), thiab yog feem ntau stocked alloy thoob ntiaj teb. Yog tias koj tsis paub meej tias qhov twg yuav tsum xaiv, 6061-T6 yog qhov pib muaj kev nyab xeeb tshaj plaws.

Kuv puas tuaj yeem welding 7075 txhuas?

7075 feem ntau suav hais tias tsis yog-weldable los ntawm cov txheej txheem fusion vuam (MIG / TIG). Nws yog qhov ua tau rau kub tawg nyob rau hauv cheeb tsam weld thiab raug kev puas tsuaj loj heev nyob rau hauv lub tshav kub-cuam tshuam cheeb tsam. Rau cov ntawv thov uas xav tau ob qho tib si muaj zog thiab weldability, xav txog 7005 lossis hloov mus rau 6061-T6 lossis 5083 nyob ntawm seb koj xav tau lub zog. 7075 feem ntau yog koom nrog fasteners lossis nplaum nplaum.

Qhov txawv ntawm H32 thiab T6 temper yog dab tsi?

H32 thiab T6 yog ob txoj hauv kev sib txawv zog. H32 (strain hardened + stabilized) siv rau cov hlau tsis kub-kho tau zoo li 5052 thiab 3003 - cov hlau muaj zog los ntawm kev ua haujlwm txias. T6 (kev daws cov cua sov kho + cov hnub nyoog tsim nyog) siv rau cov khoom siv hluav taws xob zoo li 6061 thiab 7075 - lub zog los ntawm nag lossis daus hardening. Koj tsis tuaj yeem siv T6 rau 5052 alloy, thiab koj yuav tsis siv H32 ntawm 6061 alloy.

Cov hlau twg yog qhov zoo tshaj plaws rau cov dej ntsev / dej hiav txwv?

5083-H116 yog tus qauv kub rau kev siv dej hiav txwv. Nws cov ntsiab lus magnesium siab muab qhov tshwj xeeb tiv thaiv rau cov dej ntsev corrosion, thiab H116 temper tshwj xeeb ua kom muaj kev tiv thaiv rau exfoliation thiab intergranular corrosion. Rau kev xav tau tsawg dua marine daim ntawv thov (kho vajtse, fittings), 5052-H32 yog ib qho txiaj ntsig zoo. Zam 2xxx thiab 7xxx series alloys nyob rau hauv marine ib puag ncig vim tias lawv muaj kev tiv thaiv corrosion tsis zoo yam tsis muaj cov txheej txheem tiv thaiv.

Kuv yuav xaiv li cas ntawm 5052 thiab 6061?

Xaiv 5052 thaum corrosion kuj yog qhov tseem ceeb tshaj plaws (marine, tshuaj lom neeg, sab nraum zoov) thiab koj yuav tsum tau ua ib feem yam tsis muaj kev kho cua sov. Xaiv 6061 thaum koj xav tau lub zog siab dua, kev ua haujlwm zoo dua, lossis kev kho cua sov rau kev siv cov qauv. 5052 tsis tuaj yeem kho tau thiab feem ntau yog siv hauv daim ntawv / phaj. 6061 muaj nyob rau hauv txhua daim ntawv thiab tuaj yeem kho cua sov rau T6 rau lub zog siab. Tus nqi zoo sib xws; Qhov kev xaiv nyob ntawm seb koj daim ntawv thov muaj nuj nqis rau kev tiv thaiv corrosion (5052) lossis lub zog muaj zog thiab ntau yam (6061).

Tseem tsis paub meej tias Alloy xaiv?

Peb cov engineers tuaj yeem pom zoo rau cov hlau alloy, temper, thiab cov khoom siv rau koj daim ntawv thov tshwj xeeb. Tau txais kev sab laj dawb nrog koj cov lus hais.

Tau txais kev sab laj dawb

Kev lag luam qib 5052 Aluminium Phaj

6066 Aluminium Round Bar

Tau txais quote dawb tam sim no!