Metric Express Buyer’s GuideLooking for the right metric metal materials for your project? Not sure where to start? Consider the most important features of your design first, then read our Buyer’s Guide for detailed information on our products and grades; measuring, shipping and packaging details, and more.
Our round tubes are offered as seamless carbon steel, stainless steel, or extruded aluminum and have a standard mill finish. All of our products are sold in metric dimensions. Round Tube is indicated first by the outside diameter (OD), then by wall thickness.
Our square tube is offered in a carbon steel or stainless-steel cold-formed tube with a standard mill finish. It is offered with an inside weld bead or aluminum extruded tube. Our tube dimensions are measured using outer height and width by wall thickness. Our low carbon and stainless steel square tubes have rounded corners.
All of our products are sold in metric dimensions. Square Tube is indicated by height, width, then by wall thickness.
Our rectangular tube is offered in a carbon steel or stainless-steel cold-formed tube, with an inside weld bead or aluminum extruded tube. All tubes come in a standard mill finish. Our tube dimensions are measured using height and width by wall thickness. Our low carbon and stainless steel rectangular tubes have rounded corners.
All of our products are sold in metric dimensions. Rectangle Tube is indicated by height, width, then by wall thickness.
Our round bar is offered as extruded aluminum, or in cold drawn or Turned, Ground, & Polished (TG&P) for other metals. TG&P has a tighter tolerance and smoother finish than cold drawn.
All of our products are sold in metric dimensions Round Bar is a cylindrical product that is measured by its diameter.
Our square bar is offered as cold-drawn carbon, stainless-steel, or extruded aluminum. All square bar has sharp corners and a smooth surface finish.
All of our products are sold in metric dimensions. Square Bar is measured by the thickness/ width.
Our hexagon bar is offered in cold-drawn carbon steel, stainless steel, and aluminum. Our hex bar has sharp corners and a smooth surface finish.
All of our products are sold in metric dimensions. Hexagon Bar size is measured by the distance across the flats.
Our flat bar (rectangular bar) is either a cold-drawn or key stock material. Our Flat bar has sharp corners and a smooth surface finish. Flat bar is measured by width first, then by thickness.
All of our products are sold in metric dimensions Flat Bar, also known as Rectangular bar, is measured by the width then thickness.
Our carbon steel angle is a hot rolled material with a mill finish and radius rounded corners. Angle is often considered a structural product in a variety of industries because of its high strength, low alloy properties.
All of our products are sold in metric dimensions. Our angle legs have equal lengths. Angle is measured by height, width, then thickness.
Our channel is hot rolled and considered a structural product and is a high strength, low alloy material.
All of our products are sold in metric dimensions. Channel is measured by, height (h), base (b), web thickness (s), and leg thickness (t) also known as flange thickness.
Our carbon steel I-beam is a hot rolled material with a mill finish. I-beams are often used in structural applications. They are a high-strength, low alloy material. Our carbon I-beams are hot-rolled steel with high mechanical properties.
All of our products are sold in metric dimensions. I-beam is measured by height (h), base (b), leg or flange thickness (t), and web thickness (s).
Aluminum is a corrosion-resistant, low-density metal. Aluminum is durable and lightweight, can be easily machined, and has good conductivity. It has a silvery-grey finish. Minor surface scratches can be expected.
6060 T66 temper extruded aluminum is a medium strength material with excellent corrosion resistance and weldability. 6060 T66 responds well to cold forming and standard anodizing practices.
2007 with a T3 temper is a drawn alloy material that can be hardened to its full potential when heat treated. It has the highest electrical conductivity among the 2000-series alloys because of its copper content. This material is often used in the manufacturing of washers and bolts.
Carbon is the most common form of steel and has a wide variety of applications, especially structural applications. We offer a variety of carbon steel grades such as low carbon, medium carbon, alloy, and leaded alloy.
- (E235) 1008/1010 Round Tube
We offer seamless low carbon steel, a non-alloy grade which is easy to machine with moderate mechanical properties.
- (E235) 1008/1010 Square and Rectangular Tube
We offer a low carbon steel, non-alloy, cold-formed grade which is easy to machine with moderate mechanical properties and rounded corners.
- S355 (new grade heading). Available for Angle, Channel and I Beams only.
S355 is a hot rolled carbon steel product with high mechanical properties. It is a high strength low alloy product.
- 1045 TG&P Round
1045 is medium carbon steel grade that is turned, ground & polished for a smooth, even surface. The higher carbon content gives increased strength but with limited weldability. The surface can be induction hardened.
- 1144 TG&P Round
1144 is medium carbon steel grade that is turned, ground & polished for a smooth, even surface. The higher carbon content gives increased strength with limited weldability. It offers free machining qualities with a greater resistance to wear.
- 12L14 Round
12L14 is a low carbon grade that is free machining due to lead content. It is non-weldable nor heat treatable and has a smooth surface finish.
- (S235) 1005/1018 Flat, Square & Hex
1005/1018 is a low carbon steel that is cold drawn and used in general applications. It offers good weldability and machinability qualities.
- 1018 Round
1018 is a general-purpose, low carbon steel. It offers good weldability and bendability. It has a smooth surface finish.
Round, Square & Hex A medium carbon steel that has higher mechanical properties than the low carbon grades. The higher carbon content results in increased strength but with limited weldability. The surface can be induction hardened and has a smooth surface finish.
- 1045 Keystock
Flat 1045 keystock is medium carbon steel that has higher mechanical properties than low carbon steel. The higher carbon content gives increased strength with limited weldability. The surface can be induction hardened and has a smooth finish. Keystock material offers tighter tolerances than of cold-drawn material.
- 1215 TG&P Round
1215 TG&P is a low carbon material that is considered free machining without the added lead. The smooth result of the turned, ground, and polished surface ensures a tighter tolerance. It is not weldable or heat treatable.
Stainless Steel is a low maintenance material ideal for many applications where strength and corrosion resistance are required. We offer a variety of stainless steel grades such as cold drawn or turned, ground and polished (TGP). In order of machinability the grades are as follows: 303, 304, and 316.
- 303 Hex
The 303 stainless steel is the most machinable grade of stainless steel offering good strength and good corrosion resistance in mild environments. 303 is not recommended for welding and is not suitable for use in marine applications.
- 303 TG&P Round
303 TG&P stainless steel is the most machinable grade of stainless steel. It offers good strength and corrosion resistance in mild environments. This material is not recommended for welding nor suitable for use in marine applications. Turned, ground & polished surfaces ensure tighter tolerances and a smooth, shiny surface.
- 304 TG&P Round
304 TG&P is often referred to as 18/8. It is machinable, has excellent weldability, and has very good corrosion resistance. This is not suitable for use in applications that are in direct contact with saltwater. The turned, ground & polished process provides a tighter tolerance and smooth, shiny surface.
- 304 Flat & Square
304 is often referred to as 18/8. It is machinable, has excellent weldability, and has very good corrosion resistance. It is not suitable for use in marine applications where direct contact with salt water can occur. This is a dual-certified product.
- 316 Flat & Hex Bar, & Round Tube
316 offers excellent resistance to rust and corrosion. Unlike the other 300 series options, 316 is widely used in marine applications. 316 offers a higher strength than the 303 & 304 but has a lower machinability rating. 316 is suitable for welding. This is a dual-certified product.
- 316 TG&P Round
316 TG&P offers excellent resistance to rust and corrosion. Unlike some of the lower 300 series stainless steel options, this material is widely used in marine applications. It has a higher strength than the 303 & 304 but has a lower machinability rating. It is suitable for welding. The turned, ground & polished process provides a tighter tolerance and smooth, shiny surface.
Alloy is a heat treatable steel containing one or more alloying elements other than carbon. In comparison to carbon steel, alloys have the following improved properties: strength, hardness, and wear resistance.
- 4140 TG&P Round
4140 Heat-treated TG&P offers higher mechanical properties than that of 1045. This material can be difficult to weld. The turned, ground & polished finish provides a more accurate diameter and smooth, shiny surface.
All of our lengths are measured in feet. All material has a + or – 6” length tolerance. Products measuring greater than 94″ (inches) must be cut for shipping. Excess material (drops) is included in the price and will be packaged with the rest of your order.
UPS has a 150 lbs. weight limit per package. Orders in excess of 150 lbs. will be split into multiple packages. Metric Express will automatically charge additional costs to orders over 150 lbs. for extra packaging.
Do you sell anything on the site that I don’t see listed?
If you are in need of an item that is not currently listed on our site, please send your inquiry to email@example.com. We will use these inquiries to help determine future products.
Where are your products from?
We source our material through a variety of national and international steel suppliers.
Can you help determine the grade I need?
We are not metallurgists and are not able to give you advice on end-use or guarantee the product is right for your job. Please know what type of material you will need before placing your order.
Who answers your phones?
Our call center operators answer the phones. They are available to answer questions about website issues, tolerance questions, billing, or special shipping or cutting requirements. They are not metallurgists and are not able to give you advice on end-use or guarantee the product is right for your job.
Can I get a price break on a large order?
We do not offer price breaks. We deal in small quantities but we are happy to suggest companies to help you fulfill larger orders.
How do I add special cutting instructions?
If you have special cutting instructions for your order, click on the Custom Cut option in the ordering process. This will open a dialog box which you can type in your specific requirements or you can also specify on the confirmation page of your order (the final step before confirming). There is a section there where you can add notes for the salesperson or warehouse. If we have questions, we will contact you before processing the order.
Please note that Metric Express does not have the capacity to production cut materials. Materials ordered will be cut to shipping requirement lengths only.
What are Certs and do I need them?
Material Certifications are certificates of chemical and sometimes mechanical analysis of material. Material Certifications are available on every item in our stock and we charge a $15 processing fee for each certification requested. You can select the Material Certification check box next to each item when shopping. Certifications will be emailed to you.
How do I return a product?
Metric Express does not accept returns on cut pieces. Most of our material is cut. After an item has been cut, the sale is final and non-returnable. If Metric Express processes your order incorrectly, we will ship out a replacement immediately. Exceptions include Metric Express error, damage prior to shipment, incorrect shape, sizes, material, or grade. Please contact our sales department if you need to return an item.
What are the payment options?
We accept all major credit cards and have online payment options available. We do not offer terms.
How are Credit Cards processed?
Your order through Metric Express is handled through a third-party credit card processing system. We do not save credit card information.
Orders placed after 3 PM could be processed the next business day. Next-Day Air (expedited) orders must be placed prior to 2 PM (ET). We do not guarantee next-day delivery on any order placed after 2 pm (ET). Orders are securely packed in wooden or heavy cardboard boxes.
What if my item arrives incorrect or damaged?
If your item arrives damaged, please refuse or return the item and notify us by phone or email. We will send out a replacement immediately upon arrival of the damaged or incorrect material. Please note all material will have slight surface imperfections and this is not a valid cause for return.
How do I specify alternative shipping methods?
Metric Express offers a variety of UPS shipping methods. We do not offer customer pick-up or any other form of shipping. Selecting different UPS shipping options such as UPS Ground or Ground With Freight will automatically revise shipping costs.
Where are my items being shipped from?
We are located in Northwest Ohio. You can use this UPS Ground map to determine transit days.
How long will it take to receive my order?
All orders are shipped UPS. If you need your order expedited, please select the delivery options during the checkout process. We are located in Northwest Ohio. You can use this UPS Ground map to determine transit days.
Operating hours are 8 AM to 5 PM EST. Orders placed after 3 pm could be processed the next business day. Next-Day Air (expedited) orders must be placed prior to 2 pm (EST). We do not guarantee the next day delivery on any order placed after 2 pm (EST).
Where do you ship to?
Currently, we only ship within the United States. We do not ship to Canada or Mexico.
Where is my UPS Tracking Code?
Your tracking number can be found in the upper left corner of the order once it has been processed. This code is a link that will take you to UPS’s site for detailed information.
What if my item is longer than UPS allows?
Products measuring greater than 94″ (inches) must be cut for shipping. You will be given options for cuts based on 1-inch increments. If you require special cutting instructions, please specify by selecting the Custom Cuts option in the ordering process and type in your request in the dialog box. You can also add additional notes in the Notes section of the order.
What is the material length tolerance on items?
All material ordered from this website is cut to length with a tolerance level of + or – 6”. If you have a special cutting requirement, please use the Custom Cuts field on the item selections page or the Notes field in the Checkout.
What if my items are heavier than UPS allows?
UPS allows a maximum package weight of 150 lbs. Total orders over 150 lbs. will incur an additional charge which will automatically populate in your order.
How do I log in to my account?
If you already have an account, sign in to the site using your user name and password. Click on the My Account link on the right side of the screen. Here you will see links to your order history, and be able to make changes to your account.
How do I change my shipping, billing, email, or password information?
Log in and click “Account”. Then click on “Account Details”. Make appropriate changes here.
What if I lost my password?
Go to the Sign-in page: https://metricexpress.com/my-account/lost-password/ Enter your email address, and confirm. Submit and you will be sent a confirmation code. This code will be needed to reset your password. Copy that code and follow the link provided. Paste the code into the “Confirmation Code” field and your new password. If you need additional help, contact our help center at: firstname.lastname@example.org. We do not store or have access to your passwords, but we can assist you in changing them for you.