国产三级伦理在线,久久久久黄久久免费漫画,成人国产精品日本在线,欧美美最猛性xxxxxx

Ni 207

ENiCu-7

Copper nickel. Welding and surfacing of copper nickel and  copper nickel to steel.
鎳銅，用于鎳銅、鎳銅與鋼的焊接與堆焊

ENiCu-7

Hardfacing

硬

面

堆

焊

S 101

C3 Cr28 Ni4
Si3.5 Fe Rem.

HRc48-54. Resistance to wear, gas corrosion and oxidation.  Hardfacing of bucket tooth and case pump.
HRc48-54，耐磨、耐氣蝕、抗氧化。堆焊鏟斗齒，泵套

S 111

C1 Cr29 W5
Co Rem.

HRc38-47. Resistance to wear and corrosion at high-temperature.  Hardfacing of high temperature and pressure valve.
HRc38-47，高溫下耐磨、耐蝕。堆焊高溫高壓閥門

ECoCr-A

S 112

C1.5 Cr29 W8
Co Rem.

HRc45-50. Resistance to wear and corrosion at high-temperature.  Hardfacing of valve and hot-rolling pass.
HRc45-50，高溫下耐磨、耐蝕。堆焊閥門，熱軋孔型

ECoCr-B

S 113

C2.5 Cr30 W17
Co Rem.

HRc≥55. Wear and heat  resistance at high temperature, bad shock resistance. Hardfacing of screw  charging carriage.
HRc≥55，高溫下耐磨、耐熱，但抗沖擊性差。堆焊螺旋送料機用

S 114

C2.5 Cr30 W12
Co Rem.

HRc≥53. Wear and heat  resistance at high temperature, bad shock resistance. Hardfacing of three-cone  bit.
HRc≥53，高溫下耐磨、耐熱，但抗沖擊較差。堆焊牙輪鉆頭

ECoCr-C

Copper

alloys

銅

合

金

S 201

Sn1 Si0.3Mn0.3
Cu Rem.

Good mechanical properties and crack resistance. Gas welding  and argon arc welding of red copper.
機械性能好，抗裂性好。紫銅氣焊及氬弧焊用

ERCu

S 211

Si3 Mn1
Cu Rem.

Good mechanical properties. Argon arc welding of copper alloys  and MIG brazing of steel.
機械性能好，銅合金氬弧焊及鋼的MIG釬焊用

ERCuSi-Al