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                BS3059鍋爐及過∮熱器用鋼管(英國標準360 440 243 620-460 622-490 )

                標準

                BS3059鍋爐及過熱◥器用鋼管

                STEELBOILER AND SUPERHEATER TUBES

                主要生產牌號

                Mainsteel tube grade

                360440 243 620-460 622-490 

                化學成分

                ChemicalComposition

                Grade grade

                Chemical composition limits, %

                C

                Si

                Mn

                P max

                S max

                Ni

                Cr

                Mo

                360

                0.17

                0.10-0.35

                0.40-0.80

                0.035

                0.035

                /

                /

                /

                440

                0.12-0.18

                0.10-0.35

                0.90-1.20

                0.035

                0.035

                /

                /

                /

                243

                0.10-0.20

                0.10-0.35

                0.40-0.80

                0.035

                0.035

                0.20

                0.30

                0.25-0.30

                620-460

                0.10-0.15

                0.10-0.35

                0.40-0.70

                0.030

                0.030

                0.20

                0.70-1.10

                0.45-0.65

                622-490

                0.08-0.15

                0.50

                0.30-0.70

                0.025

                0.020

                0.20

                2.00-2.50

                0.90-1.20

                機械性能

                Mechanicalproperties

                Grade grade

                Mechanical properties

                 

                Steel type

                Steel number

                Yield strength MPa

                Min.

                Tensile strength MPa

                Elongation %

                Min.

                Carbon

                360

                235

                360-510

                24

                 

                Carbon manganese

                440

                245

                440-580

                21

                 

                0.3%Mo

                243

                275

                480-630

                22

                 

                1%Cr0.5%Mo

                620-460

                180

                460-610

                22

                 

                2.25%Cr1%Mo

                622-490

                275

                490-640

                20

                 

                 

                 

                 

                日期:2014-02-24責任編輯:管理員