Some standard content:
Machinery Industry Standard of the People's Republic of China
General Valve
1 Subject Content and Scope of Application
Materials
This standard specifies the basic materials that should be used for the main parts of the valve. JB/T 5300--91
This standard applies to valves made of gray cast iron, malleable iron, ductile iron, copper alloy, carbon steel, high temperature steel, low temperature steel, and stainless acid-resistant steel. Reference standards
2
GB699
GB700
GB708
GB 984
GB1176
GB 1220||tt| |GB1221
GB1222
GB 1591
GB2040
G3 2048
GB 2059
GB2066
GB2100||tt ||GB2598
GB3077
GB3280
GB3880
Technical Conditions of High Quality Carbon Structural Steel
Carbon Structural Steel
Cold Rolled Steel Plate And the size, shape, weight and allowable deviation of the steel strip cladding welding rod
Casting copper alloy technical conditions
Stainless steel rod
Heat-resistant steel rod
Spring steel|| tt||Low alloy structural steel technical conditions
Pure copper plate
Tin bronze plate
Pure copper strip
Tin bronze strip
Stainless acid-resistant steel castings Technical conditions
Cold wheel stainless heat-resistant steel strip
Alloy structural steel technical conditions
Stainless steel cold-rolled steel plate
Aluminum and aluminum alloy plates
GB3985
GB4240
G4424
G13 4429
GB 5679
GB 12226
G12227
GB12229
Asbestos rubber sheet
Stainless steel wire
Ordinary brass rod
Lead bronze rod
Forgeable castings
Universal valves
Universal valves| |tt||Technical conditions for gray iron castings
Technical conditions for ductile iron castings
Technical conditions for carbon cable steel castings
General valves
ZBG33 002
ZBG33003
HG 2--538
PTFE plate
PTFE rod
PTFE plate and rod filling products
China Approved by the Ministry of Mechanical and Electronic Industry of the People's Republic of China on 1991-07-22 136
1992-07-01 implementation
JC68 oil-impregnated asbestos packing
JB/T 5300—91||tt| |ZBJ98015 Boiler pipe accessories pressure-bearing steel casting technical conditions YB552 beryllium bronze strips and strips
3 Technical requirements
3.1 General requirements
Valve materials should be based on their parameters and materials The performance is selected according to this standard and should comply with the provisions of relevant product standards. Other materials with performance not less than that specified in this standard or as agreed upon in the contract between the supplier and purchaser may also be used. 3.2 Gray cast iron valve
Gray cast iron valve used for mediums such as water, steam, air, gas and oil with a nominal pressure PN ≤ 1.0MPa and a temperature of -10200C. The main parts and materials are selected according to Table 1. 3.3 Malleable cast iron valves
are used for malleable cast iron valves with a nominal pressure PN ≤ 2.5MPa and a temperature of 30~~300C for water, steam, air, oil and other media. The main parts and materials are selected according to Table 2.
3.4 ??Ductile iron valves
Ductile iron valves used for media such as water, steam, air and oil with a nominal pressure of PV3 4.0MPa and a temperature of ··30~~350C, mainly Part materials are selected according to Table 3.
3.5 copper alloy measuring valve
Copper used for water, seawater, oxygen, air, oil and other media with nominal pressure PV≤2.5MPa, as well as steam media with a temperature of -40~~250C For alloy valves, the materials of main parts are selected according to Table 4. 3.6 Carbon steel valve
Made of carbon steel for media such as water, steam, air, hydrogen, ammonia, nitrogen and petroleum products with nominal pressure PN ≤ 32.0MPa and overflow of -30~~450C Valve and main parts materials are selected according to Table 5. 3.7 High-temperature steel valves
are used for high-temperature steel valves with nominal pressure PN ≤ 16.0MPa and temperatures less than or equal to .550C such as steam and petroleum products. The main parts and materials are selected according to Table 6.
3.8 Low-temperature steel valves
Low-temperature steel valves used for media such as ethylene, propylene, liquid natural gas and liquid nitrogen with nominal pressure PN ≤ 6.4MPa and temperature higher than or equal to -196C, mainly The parts materials are 3.9 stainless acid-resistant steel valves according to Table 7
Stainless acid-resistant steel valves used for media such as nitric acid and acetic acid with a nominal pressure PN ≤ 6.4MPa and a temperature lower than or equal to 200C. The main parts materials Select according to Table 8.
Table 1
Part name
Body, valve cover
Opening and closing parts, bracket
Stem, shaft
Name|| tt||Gray casting
Chromium stainless steel
Aluminum green
Manganese brass
Weighing
HT200, HT250
HT 300.HT 350
Material
Brand
1Cr13.2Cr13.3Cr13
QA19-2,QA19-4
HMn 58-2
Material
No.
Standard No.
GB12226
GB1220
GB4429
GB4424
137
zero| |tt||Words
Shaft
Photography
Bomb
Float
Name
Set
Rod||tt ||Filter
Weighing
Sealing surface of seat, opening and closing parts
Stem nut
Filling
Hand| |tt||Material
Wheel
Name
Cast aluminum bronze
Cast manganese brass
Carbon cast steel
High quality carbon Plain steel
Spring steel
Weighing
Austenitic stainless steel
Cast aluminum brass
Cast bronze
Cast manganese brass| |tt||Stainless steel
Soldered brass
PTFE
Rubber
Glue
Cast aluminum brass
Cast Aluminum bronze
Cast manganese brass
PTFE
corrosion-inhibited asbestos
rubber
glue
impregnated PTFE Asbestos rope
mulberry graphite
malleable cast iron
ductile iron
JB/T 5300—91
continued table 1
material|| tt||Brand
Material
No.
ZCuA19Mn2, ZCuA19Fc4Ni4Mn2
ZCuZn38Mn2Pb2
WCA,WCB.WC
20,25,35
150crVA
60Si2Mn.60Si2MnA
1C118Ni9,1C118Ni9Ti
OCr18Ni9Ti,1Cr17Ni13M02T
1Cr18Ni9,1Cr18Ni9Ti
ZCuZn25A16Fe3Mn3||tt ||ZCuA19Mn2 .ZCuA19Fe4Ni4Mn2
ZCuZn38Mn2Pb2
1Cr13,2C-13,3Cr13
ICr18Ni9,1Cr18Nig1
Silk 221
SFb-1,SFB-2,SFB- 3
SFBN-1.SFBN-2.SFBN-3
ZHA166-6-3-2
ZCuA19Mn2,2CuA19Fe4Ni4Mn2
ZCu2n38Mn2Pb2
SFF- 1,SH
-3.SF1
KTH330-08.KTH350 10
QT400-15.QT450-10
standard,
push||tt| |GB 1176
GB12229
GB 699
GB 1222
63 3280
1176
GB122
Z13 G33 002
ZBG33 003
GB11?6
HC:2
538
36675
GB12227
Jiang: gray cast iron Generally used for nominal pressure N1.0MPa. For DN200mm stop valves and lift check valves, the available F nominal method JPN-- 1. 6 MPa.
138
zero||tt ||Parts
Name
Name
Valve body, valve cover opening and closing parts
Stem, shaft
Shaft
Shake| |tt||Steam
Live
Membrane
Bomb
Floating
Set
Cylinder
Zhai||tt ||sheet
spring
times
filter
valve seat, opening and closing
sealing surface of parts
stem nut| |tt||Fill
Material
Wheel
Name
Male cast iron
Chromium stainless steel
Aluminum bronze
Manganese yellow Copper
Cast manganese brass
Cast aluminum bronze
Carbon cast steel
High-quality carbon steel
Ming stainless steel
Cast aluminum Brass
Chrome stainless steel
Tin bronze
Bronze plated
Weighing
Austenitic stainless steel
Spring steel
Austenitic stainless steel
Cast aluminum brass
Cast manganese brass
Cast aluminum bronze
Stainless steel
Polyvinyl fluoride
Rubber
Glue
Cast aluminum bronze
Cast manganese brass
Cast aluminum brass
Polytetrafluoroethylene
Corrosion-inhibited asbestos
Rubber
Glue
! Impregnated polyvinyl fluoride asbestos rope
Flexible graphite
Male cast iron
Ductile iron
JB/T 5300--- 91
Table 2||tt| |Material
Brand
Material
No.
KTH300-06.KHT330-08.KFH350-1CICr13.2Cr13.3Cr13
QA19-2, QA19 -4
HMn58-2
7CuZn38Mn2Pb2
ZCuA19Mn2.ZCuA19Fe4Ni4Mn2
WCA,WCB,wC
20.25,35
1Cr13,2Cr13
ZCuZn25A16Fe3Mn3
2Cr13.3Cr13
QSn6.5-0. 1
QBe2
1Cr18Ni9,1Cr18NigTi
50CrVA||tt| |60Si2Mn. 60Si2MnA
1Cr18Ni9,1Cr18Vi9Ti
oCr18Ni9Ti,1Cr17Ni13M02Ti
1Cr18Ni9.1Cr18Ni9ri
ZCuZn25A16Fe3Mn3
ZCuZn38Mn2Pb2|| tt||ZCuA19Mn2.ZCuA19Fe4Nj4Mn2|| tt||1Cr13,2Cr13,1Cr18Ni9.1Cr18Ni9TiSFB-1, SFB-2, SFB-3
SFBN-1.SFBN-2,SFBN-3
ZQA19-2.ZQA19-4|| tt||ZCuZn38Mn2Pb2
ZCuZn23A16Fe3Mn3
SFT-1.SFT-2.SFT-3.SFT-4
KTH330-08.KTH350-10
QT400-15 .QT450-10
Standard number
GH5679
GB1220
GB4429
G4424
GH 1176
GR 12229| |tt||GB 699
CHL1220
GB1176
GE1220
GB2048
YB552
GB 2598
GB1222| |tt||GB3280
GB1176
G31220
ZBG33002
ZB G33 003
GB17G
HG2
538| |tt||GB5679
GB[2227
139
zero
Part name
Name
Valve body, valve cover opening and closing parts ,
Bracket
Stem, shaft
Shaft
Shake
Set
Rod
Cylinder, piston|| tt||membrane
elastic
floating
sheet
spring
sub
filter
valve seat, starter Closure
Sealing surface
Stem nut
Filling
Hand
140
Material
Wheel|| tt||name
ductile iron
chrome stainless steel
aluminum bronze
manganese brass
cast aluminum bronze
cast brass| |tt||Carbon cast steel
High-quality carbon steel
Chromium stainless steel
Weighing
Austenitic stainless steel
Spring steel||tt| |Austenitic stainless steel
Cast aluminum brass
Cast manganese brass
Cast aluminum bronze
Stainless steel
Spray welding iron-based alloy powder|| tt||PTFE
glue
cast aluminum copper
cast manganese brass
cast aluminum yellow hoop
PTFE
corrosion-inhibited asbestos
rubber
glue
i-impregnated PTFE asbestos rope
flexible graphite
malleable cast iron||tt| |Ductile iron
JB/T 5300--91
Table 3
Material
Brand
Material
No.||tt| |QT400-15.QT450-10,QT500-7
1Cr13,2Cr13.3Cr13
QA19-2,QA19-4
HMn58-2
ZCuA19Mn2.ZCuAl9Fe4Ni4Mn2
ZCuZn38Mn2Pb2
WCA.WCB.WCC
20.25,35
1Cr13.2Cr13.3Cr13
1Cr18Ni9,1Cr18Ni9Ti
50CrVA|| tt||605i2Mn, 60Si2MnA
1Cr18Ni9.1Cr18Ni9Ti
(Cr18Ni9Ti,JCr17Ni13Mo2Ti
1Ct18Ni9.1Cr18Ni9Ti
ZCuZn25A16Fe3Mn3
b2
ZCuA19Mn2, ZCuA19Fe4Ni4Mn2
1Cr13,2Cr13.1Cr18Ni9,1C+18Ni9TiFFel～ 5
SFB-1,SFB-2.SFB-3
SFBN-1, SFBN-2, SFBN-3
2CuA19Mn2.ZCuAl9Fe4Ni4Mn2
1 ZCuZn38Mn2Pb2
ZCuZn25A16Fe3Mn3
SFT-1,SFT -2,SFT-3,SFT-
KTH330-08,KTH350-10
QT400-15,QT450-10
biao
ya
GB 12227
GB1220
GB4429
GB1424
GB1176
GB12229
GB699
GB1220
GB 2598
GB1222
GB a280
GB1176
GB1220
ZBG33002
ZB G33 003
GB1176||tt| |HG 2 --538
GB5679
GB12227
pieces
zero
name
name
valve body, Valve cover
opening and closing parts
valve
fill
hand
rod
material
wheel||tt| |Name
Cast tin bronze
Silicon brass
Cast aluminum bronze
Cast aluminum brass
Yellow
Copper||tt ||Aluminum bronze
Stainless steel
Aluminum bronze
PTFE
Oil-impregnated asbestos rope
Weighing
diffused PTFE Asbestos rope
Oil soaked
Oil diffused graphite asbestos rope
Male castings
Nodular cast iron
JB/T 5300---91|| tt||Table 4
material
brand
ZCuSn3Zn11Pb4
ZCuSn5Pb5Zn5
ZCuSn10Zn2
ZCuZn16Si4
material| ||No.
ZCuAl9Mn2, ZCuA19Fe4Ni4Mn2
ZCuZn31A12
H62
HPb59-1
QA19-2.QA19-4
1Cr13. 2C113.3Cr13
1Cr18Ni9.1Cr18Ni9Ti
QA19-2.QA19-4
SFT-1.SFT-2.SFT-3.SFT-4
YS250F, YS350F.YS450F
KTH330-08, KTH350-10
QT400.15.QT450-10
Note: Copper alloy materials are generally used for medium and low pressure valves, and can also be used for normal temperature and high pressure Small concave diameter cylinder valve. Table 5
pieces
name
name
valve body, valve cover, valve seat,
opening and closing parts, bracket,
Flange, rocker,
compression nut
rod
pin
shaft
cylinder, piston
piece||tt| |Bomb
Name
Carbon cast steel
Name
High quality carbon steel
Low alloy structural steel
Chromium stainless steel|| tt||High-quality carbon steel
Chromium stainless steel
Austenitic stainless steel
Spring steel
Stainless steel wire
Material
Brand| |tt||WCA,WCB.WCC
20,25,30,35
16Mn
ICr13,2Cr[3,3Cr13
35,45||tt ||1Cr13.2Cr13.3Cr13
1Cr18Ni9,1Cr18Ni9Ti
50C-VA.30W4C2VA
60Si2Mn,60Si2MnA
ICr18Ni9,1Cr18Ni9Ti
Materials||tt ||No.
Male No.
Mark
GH1176
GB4424
GH4429
GB1220
GR4429||tt| |HG 2·538
JC:68
G13 5679
GB12227
standard
standard
No.
GB12229
GB699
GB 1591
GB1220
GB699
GB1220
GB 2598
GB1222
GB4240
111
cen
piece
float
name
sub
filter
title| |tt||valve seat, opening and closing parts
||fill
hand
mother
piece
material
wheel
name
title
Austenitic stainless steel
Stainless steel
Chromium-manganese alloy
Chromium-manganese alloy and chromium-aluminum alloy
Cobalt-chromium-tungsten alloy
Spray welding iron-based alloy powder
polyfluoroethylene
cast aluminum bronze
cast aluminum brass
high-quality carbon steel
gold-containing structural steel
high-quality carbon Plain steel
Stainless steel and asbestos wrapped
Corrugated pad
Rubber asbestos board
Polytetrafluoroethylene
JB/T 5300--91||tt ||Continued Table 5
Material
Brand
IC+18Ni9.1Cr18Ni9Ti
Material
OCr18Ni9Ti,1C117Ni13Mo2Ti
1Cr18Ni9.1Cr18Ni9Ti| | tt | x.TDCoCr3-x powder 201, powder 202
FFe-1.FFe-2.FFe-3.FFe-4.FFe-3SFB-1.SFR-2.SFB-3
SFBN -1.SFBN-2.SFBN-3
ZCuA19Mn2.ZCuA19Fe4Ni4Mn2
ZCuZn25A16Fe3Mn3
25.35
30CrMo.35CrMo
35.45
ICr13 and XB450
ICr18Ni9 and XB450
| |tt | -08.KTH350-10
QT400-15.Qr450-10
45
WCC
Note: "Spray welding iron-based alloy powder" material is used for PN≤ 1G.OMPa. 142
Standard number
GRS28
1398
GB1220
G 58
213 G33 002
ZB G33 003| |tt||GB11S
GB699
GB3077
GR699
GR 2598
B 3983
GB 703
G33983
HG2
38
GB5679
GB12227
GBPon
G12229
pieces
name|| tt||valve body, valve cover,
shaking cup
opening and closing parts, valve seat
pin
valve
elastic
Floating
shaft
spring
sub
over the net
valve seat, opening and closing parts
sealing surface
Xuan nut
stud bolt
screw
pad
fill
on
female
piece||tt| |Material
Wheel
Name
Chromium-molybdenum cast steel
Chromium-molybdenum-vanadium cast steel
Chromium-molybdenum steel
Chromium nickel titanium cast steel
Chromium nickel titanium steel
Chromium stainless steel
Chromium silicon molybdenum steel
Chromium silicon vanadium steel
Yellow steel
Weighing
Austenitic stainless steel
Chromium nickel gold and
Chromium nickel silicon saw alloy
Cobalt chromium tungsten alloy||tt| |Cast aluminum bronze
Cast aluminum brass
Chromium molybdenum vanadium steel
Chromium aluminum steel
Heat-resistant steel plate
Flexible graphite
Graphite asbestos rope
High overflow resistant asbestos rope
Male cast iron
Nodular cast iron
Carbon steel
JB/T 5300—-91
Table 6
Material
Brand
ZGCr5Mo
Material
Multiple
ZG20CrMaV.ZG15Cr1Mo1V
ICrEMc||tt| |12CrMoV,12Cr1MoVA
ZG1Cr18Ni9Ti
ICr18Ni9Ti
1Cr13.2Cr13
ICr9Si2,4Cr10Si2Mo
25Cr2MoV,25Cr2Mo1V
30W4Cr2VA||tt| | ICR18NI9,1CR18ni9i || TT || OCR18NI9TI, 1CR17NI13MO2TI || TT || 1CR18NI9.18ni9ti || TT || TDCOCR1-X. TICR2-X. TDCOR3-X. Zcual9mn2.zcua19fe4ni4MN2 | | tt | QT450-10
A5
wcc
.t
ya
ZB JC: 8015
GB1221
GB 307 ?
GB2130
GE1221
GB1321
GB 307?
GB1222
GB 3280
GB984||tt| |GB1176
GB3627
G3 3280
GB6675
GB12227
B700)
G3 1222
1.43||tt ||cen parts
country name
title
valve body, valve cover,
valve seat, opening and closing parts,
rocker||tt| |valve
pin
sample
shaft
valve seat, opening and closing parts
sealing surface
stem nut|| tt ||stud bolts
screws
pad
fill
hand
141
femalebZxz.net
piece|| tt ||Material
Wheel
Name
Title
Austenitic stainless steel cast steel
Austenitic stainless steel
Chromium-nickel steel
Chromium Nickel Titanium Steel
Chromium Stainless Steel
Cobalt Ming Tungsten Alloy
Cast Aluminum Bronze
Cast Aluminum Brass
Chromium Nickel Steel
Chromium nickel titanium steel
Chromium stainless steel
Chromium nickel titanium steel
Brass
Pure
Pure
Copper
Aluminum
Wax-impregnated asbestos rubber sheet
PTFE
PTFE-impregnated asbestos rope
Flexible graphite||tt| | Malleable cast iron
Spheroidal cast iron
Carbon steel
JB/T 5300--91
Table 7
Brand
ZGoCr18Ni9.ZG1Cr18Ni9 | |tt||material
ZG0Cr18Ni9Ti.ZG1Cr18Ni9Ti
0Cr18Ni9,1Cr18Ni9
0Cr18Ni9Ti.1Cr18Ni9Ti
1Cr17Ni2,1Cr18Ni9
1Cr18Ni9Ti
1Cr13. 2CR13.3CR13 || TT || TDCOCR1-X, TDCOC12-XTDCOCR3-X Pink 201, Pink 202 || TT || ZCUAL9MN2.zcua19fe4ni4mn2 || TT CR18NI9 || TT || 1Cr18NIGRI
0C113.1Cr13,2Cr13
1Cr18Ni9Ti
HPb59-1
TaT
L2L
SFT-1.SFT2-2, SFT -3,SFT-1
KTH330-08.KTH350-10
QT400-15.QT450-10
A5
wCC
standard|| tt||Who
Ben
GB2100
GB1220
GB984
GB117G
GB 1220
GB3 4424|| tt||GB2010
GR 2059
GB3880
HG 2538
G3 5679
GB 12233
GB700
GB12220
QT450-10. GB984
GB117G
GB 1220
GB3 4424
GB2010
GR 2059
GB3880
HG 2538||tt ||G3 5679
GB 12233
GB700
GB12220
QT450-10. GB984
GB117G
GB 1220
GB3 4424
GB2010
GR 2059
GB3880
HG 2538||tt ||G3 5679
GB 12233
GB700
GB12220
QT450-10. GB984
GB117G
GB 1220
GB3 4424
GB2010
GR 2059
GB3880
HG 2538||tt ||G3 5679
GB 12233
GB700
GB12220
QT450-10. GB984
GB117G
GB 1220
GB3 4424
GB2010
GR 2059
GB3880
HG 2538||tt ||G3 5679
GB 12233
GB700
GB12220
KTH350-10
QT400-15,QT450-10
A5
wcc
.t
亚
ZB JC: 8015| |tt||GB1221
GB 307?
GB2130
GE1221
GB1321
GB 307?
GB1222
GB 3280
GB984
GB1176
GB3627
G3 3280
GB6675
GB12227
B700)||tt| |G3 1222
1.43
cen parts
country name
name
valve body, valve cover,
valve seat, opening and closing parts ,
rocker
valve
pin
like
shaft
valve seat, opening and closing parts
seal Face
Stem nut
Stud bolt
Screw
Pad
Fill
Hand
141|| tt ||Mother
Sheet
Material
Wheel
Name
Weighing
Austenitic stainless steel cast steel||tt| | Austenitic stainless steel
Chromium-nickel steel
Chromium-nickel titanium steel
Chromium stainless steel
Cobalt-inscribed tungsten alloy
Cast aluminum bronze||tt| | Cast aluminum brass
Chromium nickel steel
Chromium nickel titanium steel
Chromium stainless steel
Chromium nickel titanium steel
Brass
Pure
Pure
Copper
Aluminum
Wax-impregnated asbestos rubber sheet
PTFE-impregnated PTFE asbestos rope
Flexible graphite
Male cast iron
Spheroidal cast iron
Carbon steel
JB/T 5300--91
Table 7|| tt ||Brand
ZGoCr18Ni9.ZG1Cr18Ni9
Material
ZG0Cr18Ni9Ti.ZG1Cr18Ni9Ti
0Cr18Ni9,1Cr18Ni9
0Cr18Ni9Ti.1Cr18Ni9Ti
1Cr17Ni2,1Cr18Ni9 | | tt | tt||ICr17Ni2.1Cr18Ni9
1Cr18Nigri
0C113.1Cr13,2Cr13
1Cr18Ni9Ti
HPb59-1
TaT
L2L| | tt||SFT-1.SFT2-2,SFT-3,SFT-1
KTH330-08.KTH350-10
QT400-15.QT450-10
A5| | tt||wCC
label
who
ben
GB2100
GB1220
GB984
GB117G||tt | |GB 1220
GB3 4424
GB2010
GR 2059
GB3880
HG 2538
G3 5679
GB 12233
GB700
GB12220
KTH350-10
QT400-15,QT450-10
A5
wcc
.t
亚
ZB JC: 8015| |tt||GB1221
GB 307?
GB2130
GE1221
GB1321
GB 307?
GB1222
GB 3280
GB984
GB1176
GB3627
G3 3280
GB6675
GB12227
B700)||tt| |G3 1222
1.43
cen parts
country name
name
valve body, valve cover,
valve seat, opening and closing parts ,
rocker
valve
pin
like
shaft
valve seat, opening and closing parts
seal Face
Stem nut
Stud bolt
Screw
Pad
Fill
Hand
141|| tt ||Mother
Sheet
Material
Wheel
Name
Weighing
Austenitic stainless steel cast steel||tt| | Austenitic stainless steel
Chromium-nickel steel
Chromium-nickel titanium steel
Chromium stainless steel
Cobalt-inscribed tungsten alloy
Cast aluminum bronze||tt| | Cast aluminum brass
Chromium nickel steel
Chromium nickel titanium steel
Chromium stainless steel
Chromium nickel titanium steel
Brass
Pure
Pure
Copper
Aluminum
Wax-impregnated asbestos rubber sheet
PTFE-impregnated PTFE asbestos rope
Flexible graphite
Male cast iron
Spheroidal cast iron
Carbon steel
JB/T 5300--91
Table 7|| tt ||Brand
ZGoCr18Ni9.ZG1Cr18Ni9
Material
ZG0Cr18Ni9Ti.ZG1Cr18Ni9Ti
0Cr18Ni9,1Cr18Ni9
0Cr18Ni9Ti.1Cr18Ni9Ti
1Cr17Ni2,1Cr18Ni9 | | tt | tt||ICr17Ni2.1Cr18Ni9
1Cr18Nigri
0C113.1Cr13,2Cr13
1Cr18Ni9Ti
HPb59-1
TaT
L2L| | tt||SFT-1.SFT2-2,SFT-3,SFT-1
KTH330-08.KTH350-10
QT400-15.QT450-10
A5| | tt||wCC
label
who
ben
GB2100
GB1220
GB984
GB117G||tt | |GB 1220
GB3 4424
GB2010
GR 2059
GB3880
HG 2538
G3 5679
GB 12233
GB700
GB12220
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