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                联系我们
                销售一部:
                座机:0635-8218485
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                联系人:魏经理、李经理
                Q345B圆钢

                Q345B圆钢 

                产品介绍:Q345B圆钢

                Q345B圆钢化学成分表

                化学元素

                C

                Si

                Mn

                Nb

                成分

                0.20 

                0.55

                1.70 

                0.015-0.060

                化学元素

                S

                P

                钛 Ti

                V

                成分

                0.040

                1.70

                0.02-0.20

                0.02-0.15 

                Q345B圆钢理论重量表

                规格

                理论重量kg/m

                规格

                理论重量kg/m

                12

                0.888

                160

                157.83

                20

                2.47

                170

                178.18

                30

                5.55

                180

                199.76

                40

                9.87

                190

                222.57

                50

                15.42

                200

                246.62

                60

                22.19

                210

                271.89

                70

                30.21

                220

                298.40

                80

                39.46

                230

                326.34

                90

                49.94

                240

                355.13

                100

                61.65

                250

                385.67

                110

                74.60

                260

                417.10

                120

                88.78

                270

                449.79

                130

                104.20

                280

                483.73

                140

                120.84

                290

                519.49

                150

                138.72

                300

                555.30

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