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Material selection table of Shanghai Nuoyou Valve Industry

Time: 2016-03-30Source : Shanghai Nuoyou Valve Industry Co., Ltd.

This valve material selection table is used to roughly indicate how to choose the appropriate material when it comes into contact with a certain fluid medium. 铸铁,不锈钢,青铜,蒙乃尔合金,哈氏合金,,钴铬合金,沉淀钢等阀门材料的耐腐蚀性与流体的浓度、温度、压力和杂质等因素有关。 The recommendations in the table are not absolute, because the corrosion resistance of carbon steel , cast iron , stainless steel , bronze , monel , hastelloy , titanium , cobalt chromium alloy , precipitation steel and other valve materials and the concentration, temperature, pressure and Related to impurities and other factors. Therefore, it must be emphasized that this table can only be used as a guide.

Fluid medium

Valve material

Carbon steel

cast iron

302
or
304
Do not
rust
steel

316
Do not
rust
steel

bronze

Mongolian
Nai
Er
Close
gold

what
Family
Close
gold
B

what
Family
Close
gold
C

Do not
rust
steel
#
20

titanium

cobalt
chromium
Close
gold
6

416
Do not
rust
steel

440C
Do not
rust
steel

17-4
PH
Do not
rust
steel

Acetaldehyde
无气的) Acetic acid ( airless )
充气的) Acetic acid ( aerated )
Acetic acid vapor
**

A
C
C
C
A

A
C
C
C
A

A
B
A
A
A

A
B
A
A
A

A
B
A
B
A

A
B
A
B
A

LL
A
A
LL
A

A
A
A
A
A

A
A
A
B
A

LL
A
A
A
A

LL
A
A
A
A

A
C
C
C
A

A
C
C
C
A

A
B
B
B
A

Acetylene
Ethanol
Aluminum sulfate
ammonia
Ammonium chloride

A
A
C
A
C

A
A
C
A
C

A
A
A
A
B

A
A
A
A
B

LL
A
B
C
B

A
A
B
A
B

A
A
A
A
A

A
A
A
A
A

A
A
A
A
A

LL
A
A
A
A

A
A
LL
A
B

A
A
C
A
C

A
A
C
A
C

A
A
LL
LL
LL

Ammonium nitrate
一价的) Ammonium phosphate ( monovalent )
Ammonium sulfate
Ammonium sulfite
aniline

A
C
C
C
C

C
C
C
C
C

A
A
B
A
A

A
A
A
A
A

C
B
B
C
C

C
B
A
C
B

A
A
A
LL
A

A
A
A
A
A

A
B
A
A
A

A
A
A
A
A

A
A
A
A
A

C
B
C
B
C

B
B
C
B
C

LL
LL
LL
LL
LL

asphalt
beer
benzene
benzoic acid
Boric acid

A
B
A
C
C

A
B
A
C
C

A
A
A
A
A

A
A
A
A
A

A
B
A
A
A

A
A
A
A
A

A
A
A
LL
A

A
A
A
A
A

A
A
A
A
A

LL
A
A
A
A

A
A
A
LL
A

A
B
A
A
B

A
B
A
A
B

A
A
A
A
LL

Butane
碱的) Calcium chloride ( basic )
Calcium hypochlorite
Carbonic acid
干的) Carbon dioxide ( dry )

A
B
C
B
A

A
B
C
B
A

A
C
B
A
A

A
B
B
A
A

A
C
B
A
A

A
A
B
A
A

A
A
C
A
A

A
A
A
A
A

A
A
A
A
A

LL
A
A
A
A

A
LL
LL
A
A

A
C
C
LL
A

A
C
C
LL
A

A
LL
LL
LL
A

湿的) Carbon dioxide ( wet )
Carbon disulfide
Carbon tetrachloride
Carbonic acid
干的) Chlorine, gas ( dry )

C
A
B
C
A

C
A
B
C
A

A
A
B
B
B

A
A
B
B
B

A
C
A
B
B

A
B
A
A
A

A
A
B
A
A

A
A
A
A
A

A
A
A
A
A

A
A
A
LL
C

A
A
LL
LL
B

A
B
C
A
C

A
B
A
A
C

A
LL
LL
A
C

湿的) Chlorine, gas ( wet )
Liquid chlorine
Chromic acid
Citric acid
Coke oven gas

C
C
C
LL
A

C
C
C
C
A

C
C
C
B
A

C
C
B
A
A

C
B
C
A
B

C
C
A
B
B

C
C
C
A
A

B
A
A
A
A

C
B
C
A
A

A
C
A
A
A

B
B
B
LL
A

C
C
C
B
A

C
C
C
B
A

C
C
C
B
A

Copper sulfate
Cottonseed oil
Phenol oil
Ethane
Diethyl ether

C
A
A
A
B

C
A
A
A
B

B
A
A
A
A

B
A
A
A
A

B
A
A
A
A

C
A
A
A
A

LL
A
A
A
A

A
A
A
A
A

A
A
A
A
A

A
A
LL
A
A

LL
A
A
A
A

A
A
A
A
A

A
A
A
A
A

A
A
A
A
A

Ethyl chloride
Ethylene
Ethylene glycol
Ferric chloride
formaldehyde

C
A
A
C
B

C
A
A
C
B

A
A
A
C
A

A
A
A
C
A

A
A
A
C
A

A
A
A
C
A

A
A
LL
C
A

A
A
LL
B
A

A
A
A
C
A

A
A
LL
A
A

A
A
A
B
A

B
A
A
C
A

B
A
A
C
A

LL
A
A
LL
A

Formic acid
湿的) Freon ( wet )
干的) Freon ( dry )
Sugar aldehyde
精制的) Gasoline ( refined )

LL
B
B
A
A

C
B
B
A
A

B
B
A
A
A

B
A
A
A
A

A
A
A
A
A

A
A
A
A
A

A
A
A
A
A

A
A
A
A
A

A
A
A
A
A

C
A
A
A
A

B
A
A
A
A

C
LL
LL
B
A

C
LL
LL
B
A

B
LL
LL
LL
A

glucose
充气的) Hydrochloric acid ( aerated )
无气的) Hydrochloric acid ( airless )
充气的) Hydrofluoric acid ( aerated )
无气的) Hydrofluoric acid ( airless )

A
C
C
B
A

A
C
C
C
C

A
C
C
C
C

A
C
C
B
B

A
C
C
C
C

A
C
C
C
A

A
A
A
A
A

A
B
B
A
A

A
C
C
B
B

A
C
C
C
C

A
B
B
B
LL

A
C
C
C
C

A
C
C
C
C

A
C
C
C
LL

hydrogen
hydrogen peroxide
液体) Hydrogen sulfide ( liquid )
magnesium hydroxide
HG

A
LL
C
A
A

A
A
C
A
A

A
A
A
A
A

A
A
A
A
A

A
C
C
B
C

A
A
C
A
B

A
B
A
A
A

A
B
A
A
A

A
A
B
A
A

A
A
A
A
A

A
LL
A
A
A

A
B
C
A
A

A
B
C
A
A

A
LL
LL
LL
B

Methanol
Methyl ethyl ketone
milk
natural gas
Nitric acid

A
A
C
A
C

A
A
C
A
C

A
A
A
A
A

A
A
A
A
B

A
A
A
A
C

A
A
A
A
C

A
A
A
A
C

A
A
A
A
B

A
A
A
A
A

A
LL
A
A
A

A
A
A
A
C

A
A
C
A
C

B
A
C
A
C

A
A
C
A
B

Oleic acid
oxalic acid
oxygen
精制的) Petroleum ( refined )
充气的) Phosphoric acid ( aerated )

C
C
A
A
C

C
C
A
A
C

A
B
A
A
A

A
B
A
A
A

B
B
A
A
C

A
B
A
A
C

A
A
A
A
A

A
A
A
A
A

A
A
A
A
A

A
B
A
A
B

A
B
A
A
A

A
B
A
A
C

B
B
A
A
C

LL
LL
A
A
LL

无气的) Phosphoric acid ( airless )
Phosphoric acid vapor
Picric acid
Potassium chloride
Potassium hydroxide

C
C
C
B
B

C
C
C
B
B

A
B
A
A
A

A
B
A
A
A

C
C
C
B
B

B
C
C
B
A

A
A
A
A
A

A
LL
A
A
A

A
A
A
A
A

B
B
LL
A
A

A
C
LL
LL
LL

C
C
B
C
B

C
C
B
C
B

LL
LL
LL
LL
LL

Propane
rosin
Silver nitrate
Sodium acetate
Sodium carbonate

A
B
C
A
A

A
B
C
A
A

A
A
A
B
A

A
A
A
A
A

A
A
C
A
A

A
A
C
A
A

A
A
A
A
A

A
A
A
A
A

A
A
A
A
A

A
LL
A
A
A

A
A
B
A
A

A
A
B
A
B

A
A
B
A
B

A
A
LL
A
A

Sodium chloride
Sodium chromate
Sodium hydroxide
Sodium hypochlorite
Sodium thiosulfate

C
A
A
C
C

C
A
A
C
C

B
A
A
C
A

B
A
A
C
A

A
A
C
BC
C

A
A
A
BC
C

A
A
A
C
A

A
A
A
A
A

A
A
A
B
A

A
A
A
A
A

A
A
A
LL
LL

B
A
B
C
B

B
A
B
C
B

B
A
A
LL
LL

Stannous chloride
Stearic acid
黑的) Sulfate solution ( black )
sulfur
干的) Sulfur dioxide ( dry )

B
A
A
A
A

B
C
A
A
A

C
A
A
A
A

A
A
A
A
A

C
B
C
C
A

B
B
A
A
A

A
A
A
A
B

A
A
A
A
A

A
A
A
A
A

A
A
A
A
A

LL
B
A
A
A

C
B
LL
A
B

C
B
LL
A
B

LL
LL
LL
A
LL

干的) Carbon trioxide ( dry )
充气的) Sulfuric acid ( aerated )
无气的) Sulfuric acid ( airless )
Sulfurous acid
tar

A
C
C
C
A

A
C
C
C
A

A
C
C
B
A

A
C
C
B
A

A
C
B
B
A

A
C
B
C
A

B
A
A
A
A

A
A
A
A
A

A
A
A
A
A

A
B
B
A
A

A
B
B
B
A

B
C
C
C
A

B
C
C
C
A

LL
C
C
LL
A

Trichloroethylene
turpentine
vinegar
锅炉给水) Water ( boiler feed water )
蒸馏的) Water ( distilled )

B
B
C
B
A

B
B
C
C
A

B
A
A
A
A

A
A
A
A
A

A
A
B
C
A

A
B
A
A
A

A
A
A
A
A

A
A
A
A
A

A
A
A
A
A

A
A
LL
A
A

A
A
A
A
A

B
A
C
B
B

B
A
C
A
B

LL
A
A
A
LL

seawater
Whiskey and wine
Zinc chloride
Zinc sulfate

B
C
C
C

B
C
C
C

B
A
C
A

B
A
C
A

A
A
C
B

A
B
C
A

A
A
A
A

A
A
A
A

A
A
A
A

A
A
A
A

A
A
B
A

C
C
C
B

C
C
C
B

A
LL
LL
LL

能够或正被成功应用 Notation: A- can or is being successfully applied
应用过程应注意 B- Application process should pay attention to
不能应用 C- cannot be applied
缺乏资料 LL- Lack of information

Material — English table Monel alloy — Monel
Hastelloy B (C) — Hastelloy "B", ("C")
Stainless steel ﹟ 20 — Durimet20
Cobalt-Chromium Alloy ﹟ 6 — Alloy6 (Co-Cr)

Shanghai Nuoyou Valve Industry Co., Ltd.

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