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Allegheny Ludlum invented Type 409,
the 400-series stainless steel that
initiated the transition of automotive
exhaust systems from plain steels to
corrosion-resistant alloys. The
worldwide EMC market currently is the
largest end-use of stainless steels by
volume. Allegheny Ludlum offers a
complete family of EMC alloys for all
applications.
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| Product Line |
Description |
Alloys |
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| Nickel Alloy |
Nickel alloys are used when a high level of durability and performance are required. Wrought tubular exhaust headers are commonly made from nickel alloys, as they must withstand extremely high temperatures and stresses. |
AL 600™
AL 601™
AL800™/AL800H™/AL800AT™
ALTEMP® 625
ALTEMP® 718
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| Stainless Steel |
Ferritic stainless steels are commonly used in automotive exhaust systems. Strength, corrosion resistance, oxidation resistance, formability, weldability, abrasion resistance and appearance are important consideration in the selection of stainless steels for many types of parts (stamped, drawn, welded) for automotive, truck and rail market applications
High-end exhaust systems often use austenitic stainless steels in highly polished condition for muffler shells, tubing, and exhaust tips for appearance. |
AL 201HP™
AL 201L HP™
304 / 304L
309 / 309S
310 / 310S
316 / 316L
409/AL 409 HP™
AL 409 Cb™
AL 410S™
430
AL 430 Ti™
AL 436S™
439/AL 439 HP™
AL 441HP™
AL 444™
AL 468™
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| Titanium |
Automotive applications for titanium are just emerging. Allegheny Ludlum's experience supplying the automotive industry provides an excellent position to satisfy the growing demand for light weight, corrosion resistant exhaust components. |
Grade 1
Grade 2
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