20MnNb6 seamless steel pipe/steel tube is mainly used in manufacturing heating pipelines, containers, coal-saving devices, superheaters, arch tube, reheater tube, airway tube etc.
20MnNb6 seamless steel pipe/tube Specification:
Length: Generally speaking, we suggest 5.8m,6m,11.8m or 12m suitable for 20ft or 40ft containers.
Any other sizes are also available according to your demands.
20MnNb6 seamless steel pipe/tube Chemical composition %
20MnNb6 seamless steel pipe/tube Finished goods condition: hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer’s requirement.
20MnNb6 seamless steel pipe/tube Test:
Chemical Component Analysis ,Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection, Nondestructive Test (Ultrasonic flaw detector, Eddy current flaw detector),Hydrostatic Test(The standard pressure is limited to 20,7 MPa (3000psi)),Electro-magnetic inspection to SR1 is carried out on all line pipes.