亚洲三级片在线观看|91在线无码精品社区|91久久久人妻精品无码|女女同性一区二区三区四区|国产午夜一区二区精品视频|久久久久影院美女国产主播|高潮毛片无遮挡高清免费视频|亚洲国产高清一区二区三区不卡

Excavater Blades

Current site location:HOME>>Product>>Excavater Blades
Excavator knife plate
  • Classification:Excavater Blades
  • Clicks:62
  • Release date:2019/10/26
  • Contact us

Contact: Manager Wang

Hotline: 180-5296-9218

Address: Tangyang Industrial Park, Dongtai City, Yancheng City, Jiangsu Province

Post code: 224100

Product details

Single groove, double groove and non groove knife plate of various specifications and sizes;
Provide high carbon steel or heat treated boron steel.

 

30MnB  Boron steel 
30MnB Chemical composition of boron steel 

ElementMinimum valueMaximum value
C0.270.340
Si0.150.300
Mn1.101.400
P
0.030
S
0.030
Cr0.300.500
Cu
0.030
Ni
0.025
B0.00050.003
Ti0.030.050
Mechanical property
Hardness (heat treatment)46-52HRC
Compressive strength1630N/mm2
Elongation rate8%
Impact work 25℃58J/c m2

 

Q3458 Chemical composition of manganese steel

ElementMinimum valueMaximum value
C0.160.22
Si0.170.50
Mn11.70
P
0.035
S
0.035
Cr
0.30
Cu
0.30
Mechanical property
Hardness (heat treatment)35-45HRC
Compressive strength1055N/mm2
Elongation rate11%
Impact work 25℃35J/c m2
Home AboutProductNewsServiceContact
Copyright: Yancheng Cuttingedge Engineering Machinery Co., Ltd.  Su ICP B No. 19043855