Northwest Sleeve Inc.
World Class Products and Service
No one puts the detail in sleeves like we do.
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Northwest Sleeve Custom Engineering
OUR TOP SECRET FORMULA
We won't tell you the secret to our success, but we will share what we can about the properties of our material and why they are extremely important to the foundation of our sleeves.
Our formula is based on Class 45 gray iron with strict management of carbon and silicon and other baseline elements. We then add alloying elements such as nickel, chromium, molybdenum and copper to increase strength and obtain important properties such as higher heat resistance, wear resistance, friction reduction and oil retention. Alloying the iron is critical, but is the "overall process" that gives us the final results we require.
Our Class 45 is comparable in hardness and strength to good quality ductile (80-55-06) and herein lies the primary reason we limit the use of ductile in our products. We do, however, offer a 100-70-03 for bores over 95mm. We use this material primarily in four stroke cylinders where the bore size is more than two millimeters above the standard (OEM) bore. The additional tensile strength and hardness contributes significantly to stabilizing the cylinder while maintaining the integrity of the bore.
DOES ANY OF THIS MATTER?
YES! All this really does matter to our customers and it's why we continue to put our energy and resources into keeping our quality standards high.
Copyright © 1996 ~ 2013 Northwest Sleeve
Northwest Sleeve - www.NWsleeve.com
All Rights Reserved.
12410 SE 282nd Avenue, Suite E Boring, OR 97009
503.666.8430 ~ Toll Free Order Line: 877.753.3830