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Q310NQL2 steel technical requirements

Q310NQL2 steel technical requirements

TB/T 1979-2014, there are cold rolled Q310NQL2 steel plate, Q310NQL2 steel sheet and Q310NQL2 steel coil anti corrosion steel materials for railway rolling stock usage. The Cr content for Q310NQL2 steel plate shall be above 0.30% when offering.
Q310NQL2 steel chemical composition(%, by mass)


C

Si

Mn

P

S

Cu

Cr

Ni

≤0.12

0.25-0.75

0.20-0.50

0.060-0.12

≤0.020

0.25-0.45

0.30-1.25

0.12-0.65

Mechanical properties



Grade

Thick, mm

Yield strength, MPa

Tensile strength, MPa

Flexion ratio

Elongation, A%

180°Bend test

Q310NQL2 

≤4

≥310

≥440

≤0.75

≥26

D=a

>4

D=a

TB/T 1979 Q310NQL2 steel plate available size: Thickness: 1.2mm-60mm, Width: 1000mm-4200mm, Length: 3000mm-18000mm.
If you are looking for TB/T 1979 Q310NQL2 cold rolled steel sheet supplier, welcome to contact us.

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