How to choose valve material

Tianjin Milestone Pump & Valve Co., Ltd teaches you how to choose a reasonable material under different environmental conditions. The correct selection of the valve material will greatly help the service life of the valve.

1) WCB
Carbon steel: ASTM A216
Non-corrosive applications, including water, oil and gas, temperature range: -30oC to +425oC
2) LCB
Low temperature carbon steel: ASTM A352
Low temperature application, the temperature is as low as -46oC and cannot be used in the occasion where the temperature is higher than +340oC
3) LC3
3.5% nickel steel: ASTM A352
Low temperature application, the temperature is as low as -101oC, and it cannot be used in the occasion where the temperature is higher than +340oC
4) WC6
1.25% chromium 0.5% molybdenum steel: ASTM A217
Non-corrosive applications, including water, oil and gas, temperature range: -30oC to +593oC
5) WC9
2.25 Chromium: ASTM A217
Non-corrosive applications, including water, oil grade WC9 and gas, temperature range: -30oC to +593oC
6) C5
5% chromium 0.5% molybdenum: ASTM A217
Slightly corrosive or corrosive applications and non-corrosive applications, temperature range: -30oC to +649oC
7) C12
9% chromium and 1% molybdenum: ASTM A217
Slightly corrosive or corrosive applications and non-corrosive applications, temperature range: -30oC to +649oC
8) CA6NM(4)
12% chrome steel: ASTM A487
Corrosive applications, temperature range: -30oC to +482oC
9) CA15(4)
12% chromium: ASTM A217
Corrosive applications, temperature range up to +704
10) CF8M 3
16 stainless steel: ASTM A351
Corrosive or ultra-low temperature or high temperature non-corrosive applications,
Temperature range: -268oC to +649℃, the carbon content of 0.04% and above should be specified for temperatures above +425oC
11) CF8C
347 stainless steel: ASTM A351
Mainly used for high temperature, corrosive applications, temperature range: -268oC to +649oC, the carbon content of 0.04% and above should be specified for temperatures above +540oC
12) CF8
304 stainless steel: ASTM A351
Corrosive or ultra-low temperature or high temperature non-corrosive applications,
Temperature range: -268oC to +649oC, for temperatures above +425oC, a carbon content of 0.04% and above should be specified.
13) CF3
304L stainless steel: ASTM A351
Corrosive or non-corrosive applications, temperature range up to +425oC
14) CF3M
316L stainless steel: ASTM A351
Corrosive or non-corrosive applications, temperature range up to +454oC
15) CN7M
Alloy steel: ASTM A351
Has good resistance to hot sulfuric acid corrosion, the temperature is up to +425oC
16) M35-1
Monel: ASTM A494
Weldable grade. It has good resistance to corrosion by all common organic acids and salt water. Also has a high resistance to most alkaline solutions, the temperature is up to +400oC
17) N7M
Hastelloy B: ASTM A494
It is especially suitable for treating hydrofluoric acid with various concentrations and temperatures.
Has good resistance to sulfuric acid and phosphoric acid corrosion, the temperature is up to +649oC