AR400 AR500 AR600 Steel Plate
Quenched and tempered wear plate for chutes liners buckets and crusher bodies
Specifications
Steel for Construction Machinery and Agricultural Equipment
One loader or one tractor needs four different steels and most fabrication shops buy them from four different suppliers.
One loader or one tractor needs four different steels and most fabrication shops buy them from four different suppliers. The structure takes S460 S550 or S690 plate with a stated minimum yield of 460 550 or 690 MPa, the ground engaging parts take AR400 AR500 or AR600 wear plate in 2-100mm thickness, the pins and shafts come off 42CrMo4 and C45 bar, and the cab and guards come off galvanized or pre-painted coil. Tianyu Metal holds all four in the same Liaocheng stock and ships them against one order and one set of documents. Plate and coil can arrive cut bent and punched to the part list so the shop starts welding instead of nesting.
Pain Points
What Goes Wrong Buying Steel For Construction Machinery and Agriculture
Cutting Edges Worn Out Before the Season Closes
Mild steel edges and bucket floors in sand gravel and silage duty give out mid season. AR500 or AR600 in the high wear zone carries wear resistance stated at 15-20 times ordinary steel plate and 5-10 times low alloy plate so the part reaches the next planned rebuild.
Frame Weight Eating the Payload
A boom or chassis designed in 460 MPa plate carries section that a 690 MPa plate does not need. Having S460 S550 and S690 in one stock lets the designer drop section on the loaded member without hunting a second mill for the high strength plate.
Four Materials Four Suppliers Four Waiting Games
Wear plate from one trader, structural plate from another, bar from a third and coil from a fourth means four deposits and four arrival dates for one machine. A single consolidated order removes three of them.
Pins and Shafts Moving During Heat Treatment
Parts machined from an unsuitable grade distort when quenched and go back on the lathe. 42CrMo4 1.7225 is specified for shafts connecting rods crankshafts and screws because it hardens through with minimal deformation during quenching.
Cab and Guard Panels Rusting at the Fold
Painted mild steel panels fail first where the press brake cracks the paint film. Hot dipped galvanized coil in Z40 to Z350 coating weights and pre-painted galvanized coil keep the zinc under the paint so a formed edge is still protected.
Paying for Offcut You Then Have to Store
Buying full plates to make bucket wear strips leaves drops nobody nests. Cut to size supply against the part list ships the pieces and leaves the offcut behind.
Requirements
What This Sector Needs From a Steel Supplier
- Wear plate graded by zone so AR600 sits on the cutting edge and AR400 covers the rest of the bucket body
- Structural plate with a stated minimum yield of 460 550 or 690 MPa for boom frame and axle housing calculations
- 42CrMo4 1.7225 plate and C45 1.1191 round bar in diameters up to 500mm for pins shafts and linkage parts
- Hot dipped galvanized and pre-painted galvanized coil in Z40 to Z350 coating weights for cabs hoods and guards
- A mill test certificate per heat so the machine build file closes without chasing paperwork
- Cutting bending and punching before shipment so the workshop receives parts rather than plate
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Pre-Painted Galvanized Steel Coil
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SpecificationsTypical Applications
Where the Material Ends Up
Loader Buckets and Cutting Edges
AR400 AR500 and AR600 in 2-100mm for bucket floors side cutters and bolt on wear strips punched for the existing bolt pattern.
Excavator Booms and Arms
S690 and S550 plate in thicknesses to 100mm profiled for the box section with the weld preparation cut in.
Tractor Chassis and Three Point Linkage
C45 and 42CrMo4 for top link pins lower link balls and lift arm shafts machined from hot rolled or cold drawn bar.
Harvester Baler and Spreader Bodies
Cold rolled coil in 0-3mm to DC01 to DC04 for formed panels hoppers and guards that get pressed rather than welded.
Cab Skins Hoods and Access Doors
Pre-painted galvanized coil so the panel leaves the press brake with its color and zinc already on it.
Dealer and Rebuild Workshop Spares
Wear panels bent to the bucket profile and punched for plug welding so a service crew can refit on site.
How an Order Runs
From Enquiry To Delivered Material
Drawing and Part List Review
Send the part drawing or cutting list with the grade against each item. We come back on what is in stock and what has to be rolled.
Grade Selection per Component
Wear zones get AR400 AR500 or AR600, loaded structure gets S460 S550 or S690, machined parts get C45 41CrAlMo7 or 42CrMo4, skins get galvanized or pre-painted coil.
Stock Check and Consolidation
Plate coil and bar for the same machine are held together so the whole package moves as one shipment instead of three.
Cutting to the Part List
Plate is cut to the ordered panel size and coil is decoiled and slit to the blank width you press from.
Bending Punching and Surface
Bending welding decoiling cutting and punching are available so liner panels and guards arrive formed and holed. Plate ships natural or painted.
Inspection and Certificate
Thickness grade and cut dimensions are checked against the order and a mill test certificate is issued for the heat supplied.
Marking Packing and Loading
Parts are marked to the part list, edges are protected and the load is bundled for the container or break bulk stow.
Delivery Capability
What We Commit To on Shipment
- Cut panels marked to the part list with edge protection so nesting is not repeated at your end
- TT or LC terms with shipping documents and the mill test certificate released together
- Wear plate supplied cut bent and punched to your liner drawing where the product page states the processing service
- Container and break bulk loading arranged according to panel size and total weight
- Export shipments to Southeast Asia South America and Africa
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Construction Machinery and Agriculture Steel Supply FAQ
Can you supply wear plate and structural plate on the same order?
Yes. AR400 AR500 AR600 wear plate in 2-100mm and S460 S550 S690 structural plate to 100mm come from the same stock, so one order covers the bucket and the boom and ships together.
Which grade do you recommend for a bucket cutting edge?
Put the highest hardness on the wear face and keep the cheaper grade behind it. AR600 on the cutting edge and AR400 on the bucket body is the usual split, since wear resistance is stated at 15-20 times ordinary steel plate and the softer substrate still carries the impact.
Do you cut the plate to our profile or ship full plates?
Either. Processing covers bending welding decoiling cutting and punching, so you can order finished bucket panels punched for the bolt pattern or plain plate if your shop nests its own.
What is available for pins shafts and linkage parts?
C45 1.1191 round bar runs 0-500mm diameter in 6m lengths at 18-25 HRC delivery hardness, and 42CrMo4 1.7225 covers shafts connecting rods crankshafts and screws where the part is quenched and tempered after machining.
What coating weight should we use on cab and guard panels?
Zinc coatings from Z40 through Z350 and G20 through G90 are available in hot dipped or electro galvanized, and pre-painted galvanized coil puts the color on before you form the panel.
Do you supply a mill test certificate with machinery steel?
Yes. A mill test certificate is issued against the ordered grade for plate coil and bar, which is what equipment builders need for the machine build file and for warranty claims on structural parts.
Sourcing Steel For Construction Machinery and Agriculture
Wear plate graded by zone so AR600 sits on the cutting edge and AR400 covers the rest of the bucket body Send that with the sizes and quantity and we will confirm availability and what the certificate covers.