china supplier 4140 building material carbon steel round bar
AISI 4140 Carbon Alloy Steel Round Bars . Product information:1.Specifications - High Quanlity -Various Type and Specification -Competetive Price - Perfect Service -On Time Delivery. 2.Process:EAF + LF + VD + Forged + Heat Treatment (optional) 3.Delivery condition:Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) AISI 4140/DIN 1.7225/JIS SCM440 Building Materials AISI 4140 alloy steel is chromium, molybdenum, manganese containing low alloy steel. It has high fatigue strength, abrasion and impact resistance, toughness, and torsional strength. Fabrication and Heat Treatment:1. Forging. Preheat the steel carefully, then raise the temperature to 1150-1200°C for forging. Do not forge below 850°C. 2. Annealing
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A wide variety of alloy steel aisi 4140 materials options are available to you, such as sgs. There are 955 suppliers who sells alloy steel aisi 4140 materials on , mainly located in Asia. The top countries of suppliers are China, Pakistan, from which the percentage of alloy steel aisi 4140 materials supply is 99%, 1% respectively. factory supplie astm 4140 scm440 42crmo carbon alloy steel Qt Round Bar, Qt Steel Round Bar, Q&T Alloy Steel Round Bar manufacturer / supplier in China, offering En19 Scm440 4140 Hardened and Tempered Steel Round Bar, St52 Q345 Material 50X30 Flat Steel Bar for Crane Rail, Overhead Crane Rail 60X40 St52-3 S355 Steel Flat Bar and so on.(plate) China Mill Factory (ASTM 4140, SCM440, S45C, 40Cr, 42CrMo China 4140 Steel Materials, China 4140 Steel Materials China Factory building material 4140 round bar steel low price Wuxi Mingshang Special Steel Co., Ltd. US $300.00-$550.00 / Ton