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Special Steel
  • Introduction
  • Classification and code
  • Similar grades
  • For specification
Special Material possesses advanced production lines for special metallurgy, stainless steel, structural steel and high alloy long products, alloy plate & sheet and strip and seamless tube, etc. Forms of products cover bar, wire, plate & sheet, strip, seamless tube, forging, etc. The production system is formed with the dominant products as special metallurgy, stainless steel and structural steel. It focuses on applications in industries of aerospace & aviation, energy resources, automobile (transportation) and 4 key products i.e. tool & die steel, bearing steel, cold-roll & mandrel and stainless steel bar & wire. 


 

Ø Stainless Steel Long Products

Stainless steel long product is one of the main products of Special Material.

Bar Products

No.

Product Categories

Standards

Typical grades

Specifications mm

Applications

Type of grades

Itemized

1

Stainless steel(including heat- resistant steel)

ferritic

GB/T 1220

10Cr17

14-130

rolled round bar

Chemical equipment

2

austenitic

GB/T 1220
GB/T
1221 or

agreement

06Cr19Ni10

14-160

rolled round bar
90-260

rolled round bar

Mechanical, chemical, fluid equipment, etc.

022Cr19Ni10

06Cr19Ni10N

022Cr17Ni12Mo2

06Cr25Ni20

06Cr18Ni10Ti

06Cr18Ni12Mo2Ti

022Cr19Ni13Mo3

3

Martensitic

GB/T 1220
GB/T
1221 or

agreement

20-40Cr13

14-160

rolled round bar
90-200

rolled round bar

Blades, shafting, cutlery, medical instruments, springs, etc.

14Cr17Ni2

4

duplex

GB/T 1220 or

agreement

022Cr23Ni5Mo3N

14-160

rolled round bar
90-400

rolled round bar

intensive corrosion area in petrochemical industry

022Cr25Ni6Mo2N

03Cr25Ni6Mo3Cu2N

5

Precipitation hardening

GB/T 1220
GB/T
1221 or

agreementr

05Cr17Ni4Cu4Nb

14-160

rolled round bar
90-200

rolled round bar

shafting, springs, high strength containers, etc.

07Cr17Ni7Al

07Cr15Ni7Mo2Al

6

Valve steel

Martensitic

GB/T 12773 or

agreement

45Cr9Si3 

14-85

rolled round bar

engine valves

40Cr10Si2Mo

51Cr8Si2 

42Cr9Si2 

85Cr18Mo2V

7

austenitic

53Cr21Mn9Ni4N

14-85

rolled round bar

engine valves and heat-resistant standard parts

55Cr21Mn8Ni2N

33Cr23Ni8Mn3N

20Cr21Ni12N

45Cr14Ni14W2Mo

50Cr21Mn9Ni4Nb2WN

8

steel for specific applications

austenitic tube blank

agreement

022Cr19Ni10

60-200

rolled round bar
90-400

rolled round bar

boilers, heat exchanges, tubes for  catalytic cracking, chemical media fluid transport, petrochemical industry

022Cr17Ni12Mo2

06Cr18Ni10Ti

TP304 

TP347H 

TP347HFG 

S30432 

S31042 

9

martensitic tube blank

agreement

P91 

60-90

rolled round bar
100-500

rolled round bar

boiler steel for power station

P92 

T91 

T92 

10

dual phase tube blank

agreement

022Cr23Ni5Mo3N

60-160

rolled round bar
100-500

rolled round bar

chemical industry

022Cr25Ni7Mo4N

022Cr25Ni7Mo4WCuN

11

free cutting stainless steel

GB/T1220

Y10Cr17 

14-50

rolled round bar

bolts, nuts, etc.

Y12Cr13 

Wire Rod Products


No.

Product Categories

Standards

Typical grades

Specifications mm

Applications

Type of grades

Itemized

1

Stainless steel

ferritic

agreement

00Cr17-1Cr17

5.5-40
rolled round bar

hardware for decoration, etc.

2

austenitic

agreement

304、304H、304T 316

5.5-40
rolled round bar

springs, rack rods, wire mesh, etc.

3

Martensitic

agreement

1Cr13-4Cr13

5.5-20
rolled round bar

standard parts, shafting

6

Valve steel

Martensitic

GB/T12773 or agreement

45Cr9Si3、40Cr10Si2Mo 51Cr8Si2、42Cr9Si2 85Cr18Mo2V

5.5-14
rolled round bar

engine valves

7

austenitic

53Cr21Mn9Ni4N

engine valves and heat-resistant

33Cr23Ni8Mn3N

20Cr21Ni2N

45Cr14Ni14W2Mo

50Cr21Mn9Ni4Nb

2WN

8

steel for specific applications

stainless steel for fasteners

agreement

304C1

5.5-28
rolled round bar

nuts and screws

304HC2

304HC3

9

free cutting stainless steel

agreement

BT303CuS2

5.5-20
rolled round bar

shafting

316Cu

Y1Cr17

Y1Cr13

Tool And Die Steel Tool and die steel product is one of the main products of Special Material. The tool & die steel production line consists of electric arc furnaces, electroslag remelting furnaces, vacuum refining furnaces, ingot casting/continuous casting, blooming, hot continuous rolling, forging ... 

Tool Steel Products


Product Categories

grades

GB

Q/BQB

AISI/ASTM

JIS

EN

rolled carbon tool steel

T8A

T8A

-

W1-71/2

SK6

C70W2

T10A

T10A

-

W1-91/2

SK4

-

forged carbon tool steel

T10A

T10A

-

W1-1.0C

SK3

C100W2

rolled alloy tool steel

9SiCr

9SiCr

-

-

-


6CrW2Si

6CrW2Si

-

S1

-

60WCrV7

22SiMnNi2CrMoA

-

-

-

-

FF710

forged alloy tool steel

9SiCr

-

-

-

-

90SiCr5

CrWMn

-

-

-

SKS31

1.2510

9Mn2V

-

-

O2


1.2842

rolled high speed tool steel

W18Cr4V

W18Cr4V

-

T1

SKH2

S18-0-1

W9Mo3Cr4V

W9Mo3Cr4V

-

-

-

-

W6Mo5Cr4V2

W6Mo5Cr4V2

-

M2

SKH51

S6-5-2

W2Mo9Cr4VCo8

W2Mo9Cr4VCo8

-

M42

-

-

W18Cr4V

W18Cr4V

-

T1

SKH2

S18-0-1

forged high speed tool steel

W6Mo5Cr4V2

W6Mo5Cr4V2

-

M2

SKH51

1.3343

W18Cr4V

W18Cr4V

-

T1

SKH2

1.3355

W2Mo9Cr4VCo8

W2Mo9Cr4VCo8

-

M42

SKH59

1.3247

Die Steel Products


Product Categories

Grades

GB

Q/BQB

AISI/ASTM

JIS

EN

die steel for plastics(alloy)

SWP20

3Cr2Mo

-

P20

-

1.2312

SW718H

3Cr2MnNiMo

-

P20+Ni

PDS5S

1.2738

die steel for plastics(carbon)

55

55

-

AlSl1055

S55C

CK55

rolled hot working die steel

H13

4Cr5MoSiV1

4Cr5MoSiV1/H13

H13

SKD61

X40CrMoV5-1

3Cr2W8V

3Cr2W8V


H21

SKD5

-

forged hot working die steel

H13

4Cr5MoSiV1

4Cr5MoSiV1/H13

H13

SKD61

1.2344

SWPH13

4Cr5MoSiV1

SWPH13

H13

SKD61

8407

5CrNiMo

5CrNiMo

-

-

SKT4

1.2713

3Cr2W8V

3Cr2W8V

-

H21

SKD5

1.2581

Steel for Specific Application


Product Categories

Grades

GB

Q/BQB

AISI/ASTM

JIS

EN

roll biank

MC5

-

-

-

MC5

-

MC3A

-

-

-

MC3A

-

9Cr3Mo

-

-

-

-

-

9Cr2Mo

9Cr2Mo

9Cr2Mo

-

-

-

retained mandrel

BTXB-1、H13X1、H13X2







Alloy plate And Sheet Plate and sheet line special metal and alloy consisting part of special steel elaborate site. Mainly aiming at producing special steel plates to meet the requirements of national key industries developing such as aero ... Alloy plate And Sheet Plate and sheet line special metal and alloy consisting part of special steel elaborate site. Mainly aiming at producing special steel plates to meet the requirements of national key industries developing such as aero ... 


Upon the Technical agreement 
Upon the Technical agreement