<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31471190</termId><termName>high-strength low-alloy steel</termName><termType>PT</termType><termNote><![CDATA[ Steel, containing carbon, manganese, and small amounts of other elements, characterized by high strength and corrosion resistance. Exposure to air creates a pebbly, rusty-looking surface that works to reduce corrosion; this surface film turns a deep purple-brown after a number of years which is why high-strength low-alloy steel is sometimes used for exposed structural members of buildings. ]]></termNote><termCreatedDate>2026-03-30 21:06:48</termCreatedDate><relation><relationType>UF</relationType><termId>31471191</termId><termName>HSLA steel</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31471192</termId><termName>HSLA steels</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31471193</termId><termName>alloy constructional steel</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31471194</termId><termName>alloy constructional steels</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31471195</termId><termName>high-strength low-alloy steels</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31471196</termId><termName>low-alloy steel</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31471197</termId><termName>low-alloy steels</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31471198</termId><termName>steel, high-strength low-alloy</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31471199</termId><termName>steels, high-strength low-alloy</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31457294</termId><termName>alloy steel</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31478158</termId><termName>Cor-Ten steel (TM)</termName><termType>PT</termType></relation></term>  </Zthes>