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SAE4340 Steel Round Bar ASTM4340 Steel Rod
The material of 4340 steel bar is alloy structural steel. Equivalent to German DIN steel grade 36CrNiMo4 , French NF standard 40NCD3, Japanese JIS standard SNCM439, British BS standard 816M40, American SAE/ASTM4340, American UNS standard G43400，China Standard
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DIN 34crnimo6 steel round bar 1.6582 steel bar
34CrNiMo6 Steel is an important alloy engineering steel grade as per BS EN 10083-3:2006. 34CrNiMo6 steel has high strength, high toughness and good harden-ability.
34CrNiMo6 is applied in industries such as aviation, automotive, automotive, and national defense. 34CrNiMo6 can undergo heat treatment such as normalizing, tempering, and quenching. It is used to manufacture chains, screws, gears, arms, rollers, and various other mechanical parts.
STANDARD: EN/DIN 10083-3
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AISI SAE 4130 4140 4145H Steel Round Bar Hollow Rod
4130 round steel bar has good work ability, minimal processing deformation, and excellent fatigue resistance. It belongs to the category of medium to high harden ability steel. After heat treatment, 4140 has good strength and comprehensive mechanical properties, good process ability, and high yield. The service temperature is 427 degrees Celsius.
