• Boom pipe

Boom pipe

  • Product Model:Φ22*2~Φ194*16mm。
    Feature Description:
    Boom pipe is mainly used in the manufacture of crawler crane, is a key component of crawler crane to load, transfer, lifting weight.
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Detailed Introduction

Boom pipe is mainly used in the manufacture of crawler crane, is a key component of crawler crane to load, transfer, lifting weight.

Grade and Parameter

钢级Grade

抗拉强度MPa

Tensile strength

屈服强度MPa

Yield strength

延伸率%

Elongation


CB590QL

非调质

Green Pipe

≥590

≥430

≥14


调质 

Heat Treatment

≥785

≥590

≥14


CB770QL

抗拉强度Rm(MPa)

Tensile strength

最小屈服强度ReH(MPa)

Min.yield strength

延伸率(%)

Elongation


t≤20

20t≤40

t≤20

20≤t≤40

纵向

L

横向

T



820-1000

770-950

770

700

15

13



CB890QL

抗拉强度Rm(MPa)

Tensile strength

最小屈服强度ReH(MPa)

Min. yield strength

延伸率(%)

Elongation


t≤20

20≤t≤40

t≤20

20≤t≤40

纵向

L

横向

T

960-1100

920-1070

890

850

14

12

Product standard

GB/T 8162-2008 《Seamless steel tubes for structural purposes》

GB/T 30584-2014《Seamless steel pipe for crane boom purposes》

Product features

With high-strength, good low temperature impact toughness, also with high weldability, The steel pipe can be thinned to reduce the weight of the steel structure, save the cost of processing and installation, and reduce the residual stress.

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