GB 16Mn low-alloy high-tensile structural steel

1)Application Potential:

The steel plate of 16Mn is applied to manufacture factory building, civil building and all kinds of engineering machinery in mine industry and various of civil construction, such as drilling rig, electric shovel, powered wheel tipper, mining vehicles, excavators, loaders, bulldozers, industrial blowers, various types of cranes, mining machinery and equipment,such as hydraulic support and other structural parts.

2) Chemical Composition and Mechanical Property:

GB 16Mn low-alloy steel Chemical Composition:

 

C% max

Si% max

Mn% max

P% max

S% max

16Mn

0.12-0.20

0.20-0.55

1.20-1.60

<=0.045

<=0.045

 

GB 16Mn low-alloy steel Mechanical Property:

16Mn

Minimum yield strength 

Tensile strength

Elongation in , min, %C

<=16

345

510-660

22

>16<=25

325

490-640

21

>5<=36

315

470-620

21

>36<=50

295

470-620

21

 

   Charpy V-Notch Impact Test Minimum Energy Values :

TestTemperature,°F [°C]

TransverseSpecimens,

ft·lbf [J]

20

>=27