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GB713 14Cr1MoR steel

GB713 12Cr1MoVR steel is a alloy pressure vessel steel with specified elevated temperature properties.
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Standard: GB 713-2014
Main steel grades: q245r, Q345R, Q370R, 15CrMoR, 18MnMoNbR, 14Cr1MoR, 13MnNiMoR, 12Cr2Mo1R

Use: steel plates for boilers and pressure vessels
GB713 14Cr1MoR steel is a alloy pressure vessel steel with specified elevated temperature properties. The grades of molybdenum steel (Mo steel) and chromium molybdenum steel (Cr-Mo steel) are denoted by the average carbon content, alloy element letter and the capital letter of Chinese characters “R” pressure vessel (Rong), for instance, 14Cr1MoR.

GB713 14Cr1MoR steel chemical composition

Grade

C

Si

Mn

Cu

Ni

Cr

Mo

14Cr1MoR

≤0.17

0.50-0.80

0.40-0.65

≤0.30

≤0.30

1.15-1.5

0.45-0.60

Nb

V

Ti

Alt

P

S

-

-

-

-

-

≤0.020

≤0.01

 

GB713 14Cr1MoR steel mechanical properties

Grade

Thickness

Tensile strength

Yield strength

Elongation %

Impacting Test

Temperature

V

14Cr1MoR

-

520-680

-

19

20

47

60-100

310

100-200

510-670

300

Generally, GB713 14Cr1MoR structural steel products shall be delivered in hot rolling, controlled rolling or normalizing condition.

14Cr1MoR steel plates can be delivered by theoretical weight. When delivered by theoretical weight, the theoretical thickness for weight calculation is the sum of permissible maximum thickness of steel plate plus the airthmetic average of the minimum thickness. The 14Cr1MoR steel plate density is 7.85g/cm³ for calculations.

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