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              You are here: Home » Products » Series » Engine Valve Steel Bar » 21-4NWNb=X50CrMnNiNbN21-9(1.488?2)=X50CrMnNiNbN219?
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              21-4NWNb=X50CrMnNiNbN21-9(1.488?2)=X50CrMnNiNbN219?

              Engine valve steel bars?are generally used in harsh conditions of high temperature, high pressure, high erosion and high abrasion.

              Quantity:

              • 21-4NWNb X50CrMnNiNbN21-9(1.488?2) X50CrMnNiNbN219?
              • RONSCO/Material Baosteel
              • EngineValve003

              Product Description

              Engine valve steel bars are generally used in harsh conditions of high temperature, high pressure, high erosion and high abrasion.The main materials for engine valve steel bars are 21-2N,21-4N,21-4NWNb,HNV1,HNV3,X50CrSi82

              Characteristic

              Good strength, high hardness, wear resistance, high temperature resistance

              Specifications of Austenitic engine valve steel bar

              GB

              (ISO 683-15:1992)

              (EN 10090:1998)

              (SAE J775-93)

              (JIS G4311-1991)

              (Abbreviated Name)

              20Cr21Ni12N



              EV4

              SUH37

              21-12N

              33Cr23Ni8Mn3N

              X33CrNiMnN238

              X33CrNiMnN23-8 
              (1.486 6)

              EV16


              23-8N

              45Cr14Ni14W2Mo




              SUH31


              50Cr21Mn9Ni4Nb2WN

              X50CrMnNiNbN219

              X50CrMnNiNbN21-9
              (1.488 2)



              21-4NWNb

              53Cr21Mn9Ni4N

              X53CrMnNiN219

              X53CrMnNiN21-9
              (1.487 1)

              EV8

              SUH35

              21-4N

              55Cr21Mn8Ni2N

              X55CrMnNiN208

              X55CrMnNiN20-8 
              (1.487 5)

              EV12


              21-2N

              61Cr21Mn10Mo1V1Nb1N





              Resis 
              TEL

              GH4751

              NiCr15Fe7TiAl


              HEV3


              751

              GH4080A

              NiCr20TiAl

              NiCr20TiA1 
              (2.495 2)

              HEV5


              80A

              Chemical Compostion

              Grade

              Chemical Position%


              C

              Si

              Mn

              Ni

              Cr

              P

              S

              Mo

              N

              W

              Nb

              Other

              5Cr21Mn9Ni4N
              (21-4N)

              0.48-0.58

              ≤0.35

              8.00-10.00

              3.25-4.5

              20.00-22.00

              ≤0.040

              ≤0.030

               -

              0.35-0.50

               -

               -

              C+N≥0.90

              2Cr21Ni12N
              (21-12N)

              0.15-0.28

              0.75-1.25

              1.00-1.60

              10.50-12.50

              20.00-22.00

              ≤0.035

              ≤0.030

               -

              0.15-0.30

               -

               -


              5Cr21Mn8Ni2N
              (21-2N)

              0.50-0.60

              0.08-0.25

              7.00-9.5

              1.50-2.75

              19.25-21.50

              ≤0.040

              ≤0.030

               -

              0.22-0.40



               -

              5Cr21Mn9Ni4Nb2WN
              (21-4NWNb)

              0.48-0.58

              ≤0.35

              8.00-10.00

              3.50-4.50

              20.00-22.00

              ≤0.040

              ≤0.030

               -

              0.35-0.50

              0.80-1.20

              1.80-2.50

               -

              3Cr23Ni8Mn3N
              (23-8N)

              0.28-0.38

              0.50-1.00

              1.50-3.50

              7.00-9.00

              22.00-24.00

              ≤0.050

              ≤0.030

              ≤0.50

              0.25-0.35

              ≤0.50

               -

               -

              X60CrMnMoVNbN21-10

              0.57-0.65

              ≤0.25

              9.50-11.50

              ≤1.50

              20.00-22.00

              ≤0.050

              ≤0.025

              0.75-1.25

              0.40-0.60


              1.00-1.20

              V:0.75-1.00

              X50CrMnNiNbN21-9

              0.45-0.55

              ≤0.45

              8.00-10.00

              3.50-5.00

              20.00-22.00

              ≤0.050

              ≤0.030


              0.40-0.60

              0.80-1.50

              1.80-2.50


              4Cr14Ni4W2Mo

              0.40-0.50

              ≤0.80

              ≤0.70

              13.00-15.00

              13.00-15.00

              ≤0.035

              ≤0.030

               0.26-0.40

              -

              2.00-2.75

              -

              -

              3Cr20Ni11Mo2PB
              (20-11PB)

              0.25-0.35

              ≤0.50

              ≤1.20

              10.00-12.00

              19.00-21.00

              0.18-0.25

              ≤0.030

               1.80-2.50

              ≤0.07

              -

              -

              B:0.001-0.0

              Application Area

              Dia 3.7mm-4mm apply to Minipower matching such as aeromodelling,mower

              Dia 4.5mm-5mm apply to small vehicle such as car,motorbike

              Dia 5.5mm-8mm apply to oversize vehicle such as autotruck,bus

              Dia 8.0mm-12.5mm apply to heavy vehicle such as construction machine,heavy duty vehicle

              Dia above of 12.5mm apply to steamship,such as cruise ship,aircraft carrie

              Shipping details

              1. Every wooden box loaded with good shoring and strengthening ;
              2. Take container loading pictures and seal the container ;
              3. Transportation speed is quick and keep customer each step informed .

              Packing details: Packed well with export standard ( Bundled with waterproof woven and with plywood pallets ). 

              Special packing is available as per customer’s requirement for engine valve steel bar.

              PH Stainless Steel
              17-4PH
              17-7PH
              15-5PH
              Contacts?
              Pones:+86-135-1749-7929
              / 0731-82250427
              Email:info@ronsteel.com
              Address: 1706, FuLi Building, NO.97, JiuCaiYuan Road, FuRong District, Changsha,Hunan, China

              About Us

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