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    Wire Rod products

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    Mainly used for manufacturing the rolling part (ball, roller, needle) of rolling bearings and the ring, also can be used to make tools, such as dies, measuring tools, screw tap.

    1. Detailed information

                                                                                                                         BEARING STEEL

    The main grades, standards and Size are as follows:

    Grade

    Standard

    USA

    Japan

    Germany

    Size (mm)

    Characteristic

    Application

    GCr15

    GB/T 18254

    52100

    SUJ2

    100Cr6

    Ф5.5Ф30

    One time reheating international steel

    Rolling part, ring, screw

    GCr15-YC

    Agreement with user

    Ф5.5Ф30

    One time reheatingstricter than GB

    Rolling part, Ring,

    GCr15-X1

    Agreement with user

    Ф5.5Ф30

    Two times reheatingstricter than GB

    Rolling part, Ring,

    GCr15-X2

    Agreement with user

    Ф5.5Ф30

    Two times reheatingstricter than GB

    Rolling part, Ring

    G3S

    Agreement with user

    Ф5.5Ф30

    Refer to EN SKF3

    Ring

    SUJ2S1

    Agreement with user

    Ф5.5Ф30

    Refer to JIS

    Ring

    100Cr6

    Agreement with user

    Ф5.5Ф30

    Refer to EN

    Rolling part, Ring

    Cold heading steel is mainly used in the manufacture of fastening parts including bolts, nuts, screws and so on and for automotive, electric, and mechanic parts. The company can provide cold heading steel of wire rod in coil at all levels of strength.

    The main grades, standards and Size are as follows:

    Grade

    AISI similar grade

    Size mm

    Chemical composition smelting analysis

    C

    Mn

    P

    S

    Si

    Alt

    Others

    SWRCH8A

    1008

    φ5.5~φ40

    ≤0.10

    ≤0.60

    ≤0.030

    ≤0.030

    ≤0.10

    ≥0.02


    SWRCH10A

    1010

    0.08~0.13

    0.30~0.60

    ≤0.030

    ≤0.030

    ≤0.10

    ≥0.02


    SWRCH18A

    1018

    0.15~0.20

    0.60~0.90

    ≤0.030

    ≤0.030

    ≤0.10

    ≥0.02


    SWRCH22A

    1022

    0.18~0.23

    0.70~1.00

    ≤0.030

    ≤0.030

    ≤0.10

    ≥0.02


    SWRCH22K

    1022

    0.18~0.23

    0.70~1.00

    ≤0.030

    ≤0.030

    0.10~0.35

    ——


    SWRCH35K

    1035

    0.32~0.38

    0.60~0.90

    ≤0.030

    ≤0.030

    0.10~0.35

    ——


    SWRCH45K

    1045

    0.42~0.48

    0.60~0.90

    ≤0.030

    ≤0.030

    0.10~0.35

    ——


    SCM435

    4135

    0.33~0.38

    0.60~0.90

    ≤0.030

    ≤0.030

    0.15~0.35

    ——

    Cr:0.90~1.20  Mo:0.15~0.30

    SCM440

    4140

    0.38~0.43

    0.60~0.90

    ≤0.030

    ≤0.030

    0.15~0.35

    ——

    Cr:0.90~1.20  Mo:0.15~0.30

    10B21

    10B21

    0.18~0.23

    0.70~1.00

    ≤0.030

    ≤0.030

    ≤0.10

    ——

    B:0.0005~0.0035

    ML20Cr

    5120

    0.17-0.23

    0.60-0.90

    ≤0.030

    ≤0.030

    ≤0.20

    ——

    Cr:0.90-1.20

    ML40Cr

    5140

    0.38~0.45

    0.60~0.90

    ≤0.030

    ≤0.030

    ≤0.20

    ——

    Cr:0.90~1.20

    ML20MnTiB

    10B21

    0.19~0.24

    1.30~1.60

    ≤0.030

    ≤0.030

    ≤0.30

    ≥0.02

    Ti:0.04~0.10  B:0.0005~0.0035

    10B10

    10B10

    0.08~0.13

    0.30~0.60

    ≤0.030

    ≤0.030

    ≤0.10

    ≥0.02

    B: 0.0008~0.0030

    10B18

    10B18

    0.08~0.13

    0.30~0.60

    ≤0.030

    ≤0.030

    ≤0.10

    ≥0.02

    B: 0.0008~0.0030

    10B20

    10B20

    0.18~0.23

    0.30~0.60

    ≤0.030

    ≤0.030

    0.15~0.35


    0.0008~0.0030

    AISI4140

    AISI4140

    0.38~0.43

    0.75~1.00

    ≤0.030

    ≤0.030

    0.15~0.35


    Cr:0.80~1.10  Mo:0.15~0.25


    Remarkresidual elements including CrNiCu in steel not more than 0.20% respectively

    Hardware Tool Steel

    Used in the manufacture of hand tools including Allen wrench, solid wrench, screwdriver, pneumatic screwdriver , socket wrench, etc.

    The main grades, standards and Size are as follows:

    Grade

    AISI similar grade

    Sizemm

    Chemical composition smelting analysis

    C

    Mn

    P

    S

    Si

    Ni

    Cr

    Cu

    V

    others

    NG6150

    6150

    φ5.5~φ40

    0.50~0.54

    0.65~1.05

    ≤0.030

    ≤0.030

    0.15~0.35

    ≤0.20

    0.75~1.20

    ≤0.20

    ≥0.15

    ——

    SUP11

    6160

    0.58~0.63

    0.55~0.80

    ≤0.030

    ≤0.030

    0.17~0.37

    ≤0.20

    0.80~1.10

    ≤0.25

    0.10~0.20

    ——

    SUP11-1

    6160

    0.57~0.61

    0.55~0.80

    ≤0.030

    ≤0.030

    0.17~0.37

    ≤0.20

    0.80~1.10

    ≤0.25

    0.15~0.25

    ——

    8660V

    8660

    0.56~0.64

    0.75~1.00

    ≤0.025

    ≤0.025

    0.15~0.35

    0.40~0.60

    0.40~0.60

    ≤0.25

    0.15~0.25

    Mo:0.15~0.25

    NGS2

    S2

    0.65~0.70

    0.45~0.60

    ≤0.025

    ≤0.025

    1.00~1.25

    0.10~0.30

    0.20~0.40

    ≤0.25

    0.15~0.25

    Mo 0.40~0.50

    40CrV-1

    6140

    0.38~0.43

    0.60~0.90

    ≤0.030

    ≤0.030

    0.15~0.35

    ≤0.20

    0.50~0.70

    ≤0.20

    0.10~0.15

    ——

    50BV30

    ——

    0.27~0.33

    0.70~1.00

    ≤0.030

    ≤0.030

    ≤0.10

    ≤0.20

    0.30~0.50

    ≤0.20

    0.10~0.15

    B≥0.0005


                                                                                                                   Welding Steel


    Category

    Grade class

    Grade

    Standard

    Size mm

    Gas-shielded welding steel

    Series of carbon steel

    ER70S-6,ER49-1, etc.

    GB/T3429GB/T8110, technical agreement

    Φ5.5~Φ6.5

    series of manganese and molybdenum

    GH60, ER55-D2-Ti,etc.

    series of chromium and molybdenum

    ER62-B3, H09CrMoA, etc.

    Series of nickel and molybdenum

    ER69-3,ER69-4,etc.

    Series of weathering steel

    ER55-G,H08MnSiCrNiCu, etc.

    Other alloyed welding steel

    H08Mn2Ni2CrMo,etc.

    Submerged- arc welding steel

    Series of carbon steel

    H08MnA,H10Mn2,etc.

    Alloyed steel

    H09CrMoA, H13CrMoA, etc.

                                               Tire Cord Steel

    Tire cord steel is mainly used for the production of tire cord used as the framework materials of meridian tire for car, truck and planes, with very high tensile strength, outstanding heat resistance and impact resistance performance. As framework materials, it is widely used in rubber products including tires, rubber hose, transportation, etc.  The product size is Φ 5.5 ~ 6.5 mm of hot-rolled wire rod, and it is mainly used for production of tie cord wire for meridian tire, outer woven wire and wire winding, hose, bead wire, etc.

    The main grades, standards and Size are as follows:

    Grade

    Standard

    JIS

    DIN

    Size mm

    Characteristic

    Application

    NLX72C/C72DA

    Agreement with user

    KSC72


    Φ5.5~Φ6.5

    Normal strength

    Tire cord, hose, bead, etc.

    NLX82C/C82DA

    Agreement with user

    KSC82

    SKD80

    Φ5.5~6Φ.5

    High strength

    Tire cord, hose, bead, etc.

    C86DA

    Agreement with user


    SKD85

    Φ5.5~Φ6.

    High strength

    Tire cord, hose, bead, etc.

    DH90A

    Agreement with user

    KSC90

    SKD90

    Φ5.5~Φ6.5

    Super strength

    Tire cord, spring, needle tool, etc.

    DH100A

    Agreement with user

    KSC97-UH


    Φ5.5~Φ6.5

    Super strength

    needle tool, etc.

    Main chemical composition of typical grades

    Grade

    C

    Mn

    Si

    P

    S

    Cr

    Ni

    Cu

    V

    Sn

    As

    Mo

    Al

    Ceq

    NLX72C

    requirements

    0.70~0.75

    0.46~0.60

    0.15~0.30

    ≤0.020

    ≤0.020

    ≤0.10

    ≤0.10

    ≤0.10

    -

    ≤0.010

    ≤0.020

    -

    ≤0.0050

    0.73~0.79

    NLX82C

    requirements

    0.80~0.85

    0.46~0.60

    0.15~0.30

    ≤0.020

    ≤0.020

    ≤0.10

    ≤0.10

    ≤0.10

    -

    ≤0.010

    ≤0.020

    -

    ≤0.0050

    0.83~0.89

    NLX86C

    requirements

    0.84~0.88

    0.46~0.60

    0.15~0.30

    ≤0.020

    ≤0.020

    ≤0.10

    ≤0.10

    ≤0.10

    -

    ≤0.010

    ≤0.020

    -

    ≤0.0050

    0.85~0.92

    C72DA

    requirements

    0.690~0.760

    0.44~0.56

    0.15~0.30

    ≤0.020

    ≤0.020

    ≤0.08

    ≤0.08

    ≤0.08

    -

    ≤0.010

    ≤0.020

    -

    ≤0.0050

    0.72~0.79

    C82DA

    requirements

    0.790~0.850

    0.44~0.56

    0.15~0.30

    ≤0.020

    ≤0.020

    ≤0.08

    ≤0.08

    ≤0.08

    -

    ≤0.010

    ≤0.020

    -

    ≤0.0050

    0.82~0.89

    C86DA

    requirements

    0.840~0.880

    0.44~0.56

    0.15~0.30

    ≤0.020

    ≤0.020

    ≤0.08

    ≤0.08

    ≤0.08

    -

    ≤0.010

    ≤0.020

    -

    ≤0.0050

    0.86~0.92

    DH90A

    requirements

    0.89~0.95

    0.25~0.40

    0.15~0.30

    ≤0.015

    ≤0.020

    0.15~0.25

    ≤0.08

    ≤0.08

    -

    ≤0.010

    ≤0.020

    -

    ≤0.0050

    0.88~0.95

    DH100A

    requirements

    0.95~1.05

    0.20~0.40

    0.16~0.30

    ≤0.015

    ≤0.020

    0.25~0.40

    ≤0.10

    ≤0.25

    0.07~0.12

    ≤0.010

    ≤0.020

    ≤0.15

    ≤0.0050

    -

    RemarkFor the steel with boron, “-B” shall be affixed to the Grade. B content is 0.0008%-0.0025%. Ceq=C+0.3*(Mn-0.4).

    Mechanical properties of typical grades

    Grade

    Tensile strength

    N/mm2

    Reduction of area (%)

    Hot-rolled condition

    After aging tested by customers

    NLX72C/C72DA

    960~1140

    ≥35

    ≥40

    NLX82C/C82DA

    1080~1240

    ≥30

    ≥38

    NLX86C/C86DA

    1120~1320

    ≥25

    ≥30

    DH90A

    1190~1360

    ≥25

    ≥30

    DH100A

    1270~1470

    ≥20

    ≥25


                                                                                                Spring Steel

    The main grades, standards and chemical composition are as follows:

    Grade

    Similar grade

    Chemical composition %

     

    Size mm

    ASTM

    JIS

    DIN

    C

    Si

    Mn

    P

    S

    Cr

    Ni

    Cu

    V

    Cu+10Sn

    51CrV4

    6150

    SUP10

    51CrV4

    0.47-

    0.70-

    0.90-



    0.10-

     

     

     

     

     

     

     

     

     

     

    Φ5.5~Φ30

    0.55

    0.40

    1.10

    0.025

    0.025

    1.20



    0.25

    0.60

    55CrMnA

    5155

    SUP9

    55Cr3

    0.52-

    0.70-

    0.70-





    0.59

    0.40

    1.00

    0.025

    0.025

    1.00





    55SiCrA

    SAE9254

    SUP12

    54SiCr6

    0.50-

    1.20-

    0.50-

    0.50-




    0.60

    1.60

    0.90

    0.025

    0.025

    0.80


    0.20



    55SiCrA-M

    SAE9254

    SUP12

    54SiCr6

    0.51-

    1.20-

    0.60-

    0.60-



    0.59

    1.60

    0.80

    0.015

    0.015

    0.80

    0.10

    0.15



    60CrMnA

    5160

    SUP9A

    55Cr3

    0.56-

    0.17-

    0.70-

    0.70-



    0.64

    0.37

    1.00

    0.025

    0.025

    1.00

    0.35

    0.25



    60Si2MnA

    9260

    SUP7

    60SiCr7

    0.56-

    1.50-

    0.60-





    0.64

    2.00

    0.90

    0.025

    0.025



    0.20



    60Si2CrA

    SAE9254

    SUP12

    67SiCr5

    0.57-

    1.45-

    0.45-

    0.70-



    0.61

    1.65

    0.60

    0.02

    0.02

    0.85

    0.35

    0.20



    60Si2CrVA




    0.56-

    1.40-

    0.40-

    0.90-


    0.10-


    0.64

    1.80

    0.70

    0.025

    0.025

    1.20


    0.20

    0.20


    60Si2CrVAT




    0.56-

    1.40-

    0.40-

    0.90-

    0.10-


    0.64

    1.80

    0.70

    0.015

    0.015

    1.20

    0.35

    0.20

    0.20


                                                                                   Free Cutting Steel


    Grade

    Similar grades

    Chemical composition %

    Mechanical properties

    GB

    ASTM

    JIS

    DIN

    C

    Si

    Mn

    P

    S

    Pb

    Rm(MPa)

    A(%)

    Z(%)

    Hardness HB

    SUM23

    Y08

    1215

    SUM23

    11SMn30

    ≤0.09

    ≤0.10

    0.75-1.05

    0.05-0.09

    0.26-0.35

    ≤0.01

    380-500

    ≥22

    ≥45

    ≤140

    SUM23HSSUM23HS-M

    Y08MnS

    /

    /

    11SMn37

    ≤0.09

    ≤0.10

    1.10-1.50

    0.04-0.09

    0.35-0.42

    ≤0.01

    380-500

    ≥22

    ≥45

    ≤140

    SUM43SUM43-M

    Y45MnS

    1144

    SUM43

    44SMn28

    0.40-0.48

    ≤0.35

    1.35-1.65

    ≤0.040

    0.24-0.33

    ≤0.01

    650-800

    ≥14

    ≥30

    ≤220

    N45S

    Y40Mn

    /

    /

    46S20

    0.40-0.50

    ≤0.40

    0.80-1.40

    ≤0.040

    0.20-0.30

    ≤0.01

    ≥600

    ≥16

    /

    ≤240

    High Quality Carbon Structural Steel and Carbon Structural Steel

    The main grades, standards and Size are as follows:

    Item

    Grade class

    Grade e

    standard

    Size mm

    Application

    1

    quality carbon structural steel

    30,35,40,42A,45,50,55,57A,

    GB/T699Q3201 NG302

    Φ5.5-Φ16

    Made into wire, etc.

    2

    Carbon structural steel

    Q195,Q215,Q235,Q275

    GB/T701

    Φ5.5-Φ40

    Construction material and wire drawing material


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