Applicable temperature range of commonly used materials for valve bodies

Release time:

2022-09-13

Applicable temperature range of commonly used materials for valve bodies

Applicable temperature range of commonly used materials for valve bodies

Applicable temperature of valve body material

Table of Applicable Temperature Ranges for Common Materials of Valve Bodies

Name

Castings

Forgings

Explanation

Grade

Usage temperature ℃

Grade

Usage temperature ℃

Grey cast iron

HT200HT250
HT300HT350

-15~250

-

-

For PN ≤ 1.6MPa Low pressure valve for

Black heart malleable

KTH300-06
KTH330-08
KTH350-10
KTH370-12

-15~250

-

-

For PN ≤ 2.5MPa Medium and low pressure valves for

Ductile iron

QT350-22QT400-18
QT400-15
QT450-10
QT500-7
QT600-3
QT700-2
QT800-2
QT900-2

-30~350

-

-

For PN ≤ 4.0MPa Medium and low pressure valves for

Carbon steel

WCA、WCB、WCC

-29~425

20、25、35、40

-29~425

For medium and high pressure valves, 16Mn, 30Mn; Commonly used as a substitute; ASTMA105

16Mn、30Mn

-40~450

Low temperature carbon steel

LCB

-46~345

-

-

For low-temperature valves

Alloy steel

WC6
WC9

-29~595

15CrMo
25Cr2MoV

-29~595

High temperature and high pressure valves for non corrosive media

C5
C12

-29~650

1Cr5Mo

-29~650

Austenite

ZG00Cr18Ni10
ZG0Cr18Ni9
ZG1Cr18Ni9Ti
ZG0Cr18Ni9Ti
ZG1Cr18Ni9Ti
ZG0Cr18Ni12Mo2Ti
ZG1Cr18Ni12Mo2Ti
ZG1Cr17Mn9Ni14Mo3Cu2N
ZG1Cr18Mn13Mo2Cun

-196~600

00Cr18Ni10
0Cr18Ni9
1Cr18Ni9
0Cr18Ni9Ti
1Cr18Ni9Ti
00Cr17Ni14Mo2
0Cr18Ni12Mo2Ti

-196~600

For corrosive media

Austenitic stainless steel

CF8
CF8M
CF3
CF8C
CN7M

-

304
316
304L
316L
321
B462

-

For corrosive media

Monel alloy

-

-

NCu28-2.5-1.5

-29~450

Mainly used for hydrogen fluoride containing media

Cast copper alloy

ZCuSn3Zn11Pb4
3-11-4 Tin bronze
ZCuSn5Pb5Zn5
5-5-5 Tin bronze
ZCuSn10P1
10-1 Tin bronze
ZCuSn10Zn2
10-2 Tin bronze
ZCuA19Mn2
9-2 Aluminum bronze
ZCuA11Fe3
10-3 Aluminum bronze
ZCuZn25A16Fe3Mn3
25-6-3-3 Aluminum brass
ZCuZn38Mn2Pb2
38-2-2 Manganese brass
ZCuZn16Si4
16-4 Silicon brass

-273~200

-

-

Mainly used for oxygen pipelines

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