Long Reach Boom | Super Long Front Material Introduction Part 2 - Q690D Steel - SUP Construction Equipment Co.Ltd.
Excavator Attachments - long reach boom,super long front,long reach front,high reach demolition,telescopic arm, excavator buckets,grapple,long boom,long stick - SUP Construction Equipment Co.Ltd.
Long Reach Boom | Super Long Front Material Introduction Part 2 - Q690D Steel - SUP Construction Equipment Co.Ltd.
Q690 steel is a Chinese GB standard high strength low alloy structural steel, and devides into 3 quality grades: Q690C, Q690D and Q690E, "Q" means Yield Strength, "690" refers to 690 Mpa, Tensile Strength is 770-940 Mpa, "D" indicates quality grades.
Features and Applications
Steel plates made from Q690 material has high yield strength and tensile strength and is widely used in coal mine machinery and engineering machinery, such as long reach boom / super long front,hydraulic support,port cranes, flatbed trucks and so on.
SUP Construction Equipment Co.Ltd.,long reach boom / super long front, usually is built with high strength steel Q355B,Q690D.
Q690D with yield strength 690 Mpa, which is twice higher than Q345B with 345B Mpa,for heavy duty working condition or excavator tonnage 45ton or above with super long length long reach boom / super long front, usually we will suggest to built with Q690D+Q355B steel.
SUP Construction Equipment Co.,Ltd
Excavator Attachments Specialist- long reach boom, high reach demolition,telescopic arm, excavator buckets,grapple,etc.
SUP Construction Equipment Co.Ltd. reserves the final explanation rights of this instruction
Excavator Attachments - long reach boom,super long front,long reach front,high reach demolition,telescopic arm, excavator buckets,grapple,long boom,long stick - SUP Construction Equipment Co.Ltd.
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