4340 round steel
|Place of Origin: China (Mainland)||Brand Name: Wuhan San Zhao||Grade: AISI 4340 GB 40CrNiMoA DIN 36CrNiMo4||Chemical Composition: C:0.37~0.44,Si:0.17~0.37,Mn:0.50~0.80,Cr:0.60~0.90,Mo:0.15~0.25,Ni:1.2|
|Shape: Round||Length: 1500mm,2000mm,3000mm||Standard: ASTM||Technique: Hot Rolled|
|Dimensions: 50mm-500mm||Alloy Or Not: Is Alloy||Secondary Or Not: Non-secondary||surface: balack /polished|
1. Characteristic:High strength,High tenacity,good hardenability,and high resistance to thermal properties.
2. Delivery Hardness:Pre-hardened HB270-300
3. Chemical Analysis in %
C:0.37-0.44; Si:0.17-0.37; Mn:0.50-0.80; Cr:0.60-0.90; Mo:0.15-0.25; Ni:1.25-1.65
Used for manufacture big sized important Quenched-and-Tempered parts which request good toughness and high strength.such as top load shaft in heavy-duty machinery;
For steam turbine shaft, vane, and heavy-load transmission parts, fastening piece, crankshaft, gears etc. with diameter is biger than 250mm.
|Packaging Detail:According to the customer's requirement.|
|Delivery Detail:40-60 days|