We focus on magnesium alloy materials for reducing carbon footprint!
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SALVAGE: | Scrap Retains A Consistently High Level Of Value | UNIT VOLUME: | Greater Amount Of Finished Magnesium Material Obtained, Pound For Pound |
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NONMAGNETIC: | Good For Electrical And Computer Applications | REPID HEAT: | Ideal For A Broad Range Of Operating Temperatures, From 350 Degrees Fahrenheit To -30 Degrees Fahrenheit |
NON-GALLING: | Sound And Rugged Surface, Offering A Low Coefficient Of Friction And Minimum Wear | STRENGTH: | Excellent Strength And Stiffness Per Unit Weight |
CORROSION RESISTANT: | A Wide Variety Of Chemical Treatments Exists For Corrosion Protection, Alteration Of Surface Appearance, And To Provide A Base For Painting. Basic Engineering Precautions Averts Galvanic Corrosion | ALKALI-RESISTANT: | Makes For Easy Cleaning |
WELDING: | Strong Weldments Up To 95% Of Parent Metal, With Minimal Porosity | STABILITY: | No Stress Relief After Machining; No Warps And Is Dent Resistant |
WEIGHT: | Easier Handling Saves Energy And Time | DAMPING: | Absorbs Vibration For Longer Life, While Retaining Dimensional Stability |
Application:: | As The Master Alloy, Magnesium-rare Earth Alloy Can Be Used As The Addictive To Alloys, For The Refining, Hardening And Machinability. | TOOLING: | 4 To 5 Times Greater Tool Life |
FINISH: | Up To 5 Times More Machinable Than Rolled Aluminum | COSTS: | Machine Dry, Without Oil Or Chemicals |
AZ31B Magnesium machined parts, Magnesium fabricated parts, die casting magnesium alloy part
Xi'an XYMCO Magnesium Alloy Materials Co., Ltd. (XYMCO) provides the machining service for our customers according to their drawing. Magnesium has very good machining abilities like sawing, punching, drilling, milling, turning compared to other metals. The specific cutting power is low and the surface is excellent and the chips are short.
Magnesium is the fastest machining metal and it has a high thermal conductivity, advantages of it are for example:
* Long tool life, the tool stays sharp for long time
* Low power consumption, about 55% lower than for aluminium alloys
* Reduction of machining time because of the high speeds
* Short chips an excellent surface
Machineability
Material |
Rough Turning |
Finish Turning |
0 – 10mm Drilling |
100mm mill/1mm cut Milling |
STEEL | 40 - 200 | 60 - 300 | 15 - 30 | 20 - 25 |
ALUMINIUM | 75 - 750 | 120 - 1200 | 60 - 400 | 200 - 300 |
MAGNESIUM | Up to 1200 | 1800 - 2400 | 150 - 500 | 200 - 500 |
Relative power
Metal | Relative Power |
Magnesium alloys | 1.0 |
Aluminium alloys | 1.8 |
Brass | 2.3 |
Cast Iron | 3.5 |
Mild Steel | 6.3 |
Titanium alloys | 7.6 |
Nickel alloys | 10 |
Magnesium machining is normally without any coolant and when it is necessary to use coolant a light mineral oil suffices. Never use water based coolant because of the risk of any reaction with the chips during storage.
High – speed tools or carbide tipped tools are preferred for the machining of magnesium. It is important to keep the cutting tool sharp to avoid to much heat. The experience with diamond tools are excellent but the costs are relatively high. It is necessary to store machined products under dry conditions and when there is a chance of condensation, extra protection is needed.
Machines should be kept clean and the turnings should be stored in steel bins.
Products of magnesium will not ignite easily, the magnesium must be heated to the melting point and during normal machining that’s virtually impossible. The chips can be ignited but easy precautions should avoid this risk.
Magnesium dust howsoever has a high degree of flammability and these precautions are necessary to minimize these risk:
* Dry machining or use light mineral based oil
* Keep cutting tools sharp
* Dispatch the chips frequently and store these in steel closed containers
* Make sure there is an suitable extinguisher available
* Use compressed air with high speed automatic machining when shavings are produced
Should a fire occur, dry turnings will burn slow and evenly. Never use water to extinguish magnesium because the burning magnesium will decompose water to form hydrogen which is easily ignited.
The potassium chloride fire extinguisher powder is the best extinguisher; other common extinguishers are cast iron turnings and dry sand.
XYMCO has started to produce the forged magnesium alloy plate, forged magnesium alloy slab, forged magnesium alloy cube, forged magnesium alloy disc, forged magnesium alloy block and forged magnesium alloy billet from 2004.
ZK60A
ZK60A is a wrought magnesium base alloy containing zinc and zirconium. Increased strength is obtained by artificial aging from the as-fabricated form. ZK60A-T5 has the best combination of strength and ductility at room-temperature of the wrought magnesium alloys.
WELDABILITY
ZK60A is not considered to be weldable by conventional techniques due to hot-shortness cracking. However, resistance welding response is excellent. Friction stir welding can be used to join ZK60A to itself and other magnesium alloys.
MACHINING
ZK60A, like all magnesium alloy forgings, machines faster than any other metal. Providing the geometry of the part allows, the limiting factor is the power and speed of the machine rather than the quality of the tool material. The power required per cubic centimeter of metal removed varies from 9 to 14 watts per minute depending on the operation.
SURFACE TREATMENT
All the normal chromating, anodizing, plating, and finishing treatments are readily applicable.
Magnesium alloys have traditionally been specified by designers because of their favorable strength to weight ratios. Magnesium is approximately two thirds the density of aluminium and a quarter that of steel. Some of the more recently developed magnesium alloys have also improved resistance to corrosion and better all round mechanical properties, especially at elevated temperature.
The growing numbers of available magnesium alloys are divided into two groups: casting alloys and wrought alloys. Wrought product forms (described below) include both extruded sections and rolled sheet/plate along with tubes and forgings. Various heat treatments are used to attain maximum strength and machining of most magnesium alloys is excellent.
The specifications and alloy grades which XYMCO can be complied with are as following Table:
DESCRIPTION |
ASTM Alloy Designation & Temper |
ASTM | FEDERAL | AMS | ||
AZ31B | Sheet - soft | AZ31B-O | B90 | QQ-M-44B | 4375 | |
Sheet - half hard | AZ31B-H24 | B90 | QQ-M-44B | 4377 | ||
Plate - soft | AZ31B-O | B90 | QQ-M-44B | 4375 | ||
Plate - half hard | AZ31B-H24 | B90 | QQ-M-44B | 4377 | ||
Plate- three quarters hard | AZ31B-H26 | B90 | QQ-M-44B | 4376 | ||
Plate - Extra flat | AZ31B-O | -- | 4382 | |||
Extruded bars & sections | AZ31B-F | B107 | QQ-M-31B | - | ||
AZ61A | Extruded bas & sections & forging stock | AZ61A-F | B107 | QQ-M-31B | 4350 | |
Extruded tube | AZ61A-F | B107 | WW-T-825B | - | ||
Forgings | AZ61A-F | B91 | QQ-M-40B | - | ||
AZ80A |
Extruded bars & sections |
precipitation treated | AZ80A-T5 | B107 | QQ-M-31B | - |
As-extruded | AZ80A-F | B91 | QQ-M-31B | - | ||
Forgings | precipitation treated | AZ80A-T5 | B91 | QQ-M-40B | 4360 | |
As-extruded | AZ80A-F | B91 | QQ-M-40B | |||
ZK60A |
Extruded bars & sections |
precipitation treated | ZK60A-T5 | B107 | QQ-M-31B | 4352 |
As-extruded | ZK60A-F | B107 | QQ-M-31B | - | ||
Forgings | precipitation treated | ZK60A-T5 | B91 | QQ-M-40B | 4362 | |
As-extruded | ZK60A-F | B91 | QQ-M-40B | - | ||
Magnesium Alloy Castings | AM50, AM60, A281, AZ91, EQ21, EZ33, EV31, WE43, WE54, ZE41 |
Our Services:
1. Small order quantity available
2. Professional engineering team and sales team
3. Payment: T/T & Western Union
4. OEM/ODM Supporttable
5. Free samples provided
6. Competitive price and high quality
FAQ:
1. Q: Are you a factory or trading company?
A: We are direct manufacturer located in Xi'an, Shaanxi province, and have our equipment!
2. Q: Are your products customized?
A: Yes,the products in the website are only the common type or the previous types, we can supply the new products according to your requirements or drawings.
3. I do not know how to use your product ?
Do not worry ! We can supply technical guidance together with products.
4. Q: How can I get some samples?
A: Several samples are freely offered for buidling the business long-term relationships and letting our customers believing the quality of our products.
Contact Person: Mr. Frank Zhang
Tel: 86 189 66935266