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Martensitic Type Stainless Steel

 

Characteristics·Applications

※NSS is Nisshin steel co.,ltd 's original standard.

Classification
Type Characteristics Applications
SUS
(JIS)
NSS
Martensitic
Type
403  
Developed by reducing silicon content in type410.
valve sheets
410  
Typical 13Cr stainless steel.Low quenching hardenability.
turbine blades,
spoons,forks
410S  
Developed by reducing carbon content in type410 to below 0.08%.High workability.
sundries and distillation column trays
  410M4
Designed so that maximum Rockwell hardness of about 35 can be obtained only by hardening in wide temperature range.
disk brakes
  410M5
Shape stability after quench hardening increased by adding copper.
disk brakes
420J1  
High quenching hardenability and work hardenability.
machine parts,
table-knives
420J2  
High quenching hardenability and work hardenability.
table-knives,
slide calipers,
rulers,scissors
  WR-1
Strong resistance can be obtained against abrasive polishing by hard grain.
loom parts

Chemical Composition

※NSS is Nisshin steel co.,ltd 's original standard.

Classfication Type Chemical Composition(%)
SUS
(JIS)
NSS C Ni Cr Mo Others
Martensitic
Type
403 ≦0.15 ≦0.60 11.50~13.00
410 ≦0.15 ≦0.60 11.50~13.50
410S ≦0.08 ≦0.60 11.50~13.50
410M4 0.04~0.10 ≦0.60 11.50~13.50 Si:0.10~0.40
Mn:0.50~1.00
410M5 0.030~0.60 ≦0.60 11.50~12.10 Cu:0.70~0.90
420J1 0.16~0.25 ≦0.60 12.00~14.00
420J2 0.26~0.40 ≦0.60 12.00~14.00
WR-1 0.20~0.40 ≦0.50 12.00~14.00 Nb:0.30~0.50

Physical·Mechanical Properties

※NSS is Nisshin steel co.,ltd 's original standard.

Classfication
Type Physical Properties Mechanical Properties
SUS
(JIS)
NSS Modulus of elasticity
X10
3N/mm2
Specific gravityg/cm3 Average modulus of thermal expansionX10-6 cm/cm/℃ Thermal conductivity
W/m・℃
Hardness test Tensile test
HRB HV Yield strength
N/mm2
Tensile strengthN/mm2 Elongation
%
20~100℃ 100℃
Martensitic
Type
403 202 7.75 9.9 23.80 ≦93 ≦210 ≧205 ≧440 ≧20
410 202 7.75 9.9 23.80 ≦93 ≦210 ≧205 ≧440 ≧20
410S 202 7.75 9.9 23.80 ≦88 ≦200 ≧205 ≧410 ≧20
410M4 202 7.75 9.9 23.80 ≦88 ≦200 ≧205 ≧410 ≧20
410M5 203 7.75 10.1 24.30 ≦88 ≦200 ≧205 ≧410 ≧20
420J1 202 7.75 10.3 23.80 ≦97 ≦234 ≧225 ≧520 ≧18
420J2 202 7.75 10.3 23.80 ≦99 ≦247 ≧225 ≧540 ≧18
WR-1 201 7.70 10.3 24.90 - ≦247 ≧225 ≧540 ≧18

When NSS and SUS overlap, NSS standard (an ingredient, a characteristic) has priority to display.


Surface Finish

※NSS is Nisshin steel co.,ltd 's original standard.

Classification JIS NSS Finish
Hot-rolled
Products
N0.1  
Heat-treated and pickled after hot rolling.
  CG
Given No.1 finish and polished with any of endless belts specified in JIS R6001,but not degreased.
Cold-rolled
Products
N0.2D  
Heat-treated and pickled after cold rolling.
  NO.2DR
Heat-treated,pickled and lightly cold-rolled by dull rolls after cold rolling.
NO.2B  
Heat-treated,pickled and lightly cold-rolled to obtain appropriate luster surface after cold rolling.
N0.3  
Polished with endless belt of No.100 to 120 specified in JISR6001.
N0.4  
Polished with endless belt of No.150 to 180 specified in JISR6001.
#240  
Polished with endless belt of No.240 specified in JISR6001.
#320  
Polished with endless belt of No.320 specified in JISR6001.
#400  
Polished with endless belt of No.400 specified in JISR6001.
  N0.9
Polished with endless belt numbered over 320.
BA  
Given high-luster finish and subjected to bright heat treatment after cold rolling.
HL  
Polished with abrasives No.80 to 150 specified in JIS R6001 to obtain continuous streaks.
  N0.7
Buffed so that reflectivity is higher, compared to #400 finish.
  N0.8
Given BA finish and polished with cotton buff to obtain high reflectivity.
  Emboss
Provided with irregularities on one side by cold rolling (both sides can be embossed).

For more information on Nisshin Steel materials, click the link below.
Click here for stainless steel catalog

Notice

These material information in this page is based on Nisshin Steel Co.,Ltd. product catalog.

There are some cases maker do not accept the production depending on the production lot and specification.

Technical information in this website,while every reasonable effort was made to ensure the accuracy at the time of this publication, is general information relating to our products only and is not meant as any warranty,expressed or implied.
Such technical information does not guarantee that any of our products are suitable for your particular application or purpose. Use of any information contained in this website shall be at user's risk. Any information in this website is subject to change without prior notice. Please contact our company for up-dated information.

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