Austenitic Type Stainless Steel
- 1.Characteristics·Applications
- 2.Chemical Composition
- 3.Physical·Mechanical Properties
- 4.Surface Finish
Characteristics·Applications
※NSS is NIPPON STEEL Stainless Steel Corporation original standard.
| Classification | Type | Characteristics | Applications | |
|---|---|---|---|---|
| SUS (JIS) |
NSS | |||
| Austenitic Type |
301 | High strength can be obtained by skinpass. |
steel belts, metal gasket, springs |
|
| 301L | High strength can be obtained by skinpass.Highly resistant to intergranular corrosion. |
railway rolling stock | ||
| 304 | Typical austenitic stainless steel. |
sundries,kitchen utensils LNG tanks, others |
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| (304Cu) | 304S | Soft and amenable to deep drawing. |
sundries | |
| 304ES | Amenable to deep drawing,cold forging and shape freezing, etc. |
deep drawing sensor case, flange |
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| XM7 | Cold working increased by adding copper to type 304. |
sundries, used for cold heading | ||
| XM7 | Cold working increased by adding copper to type 304. |
sundries, used for cold heading | ||
| 304M2 | Amanable to deep drawing and stretch forming. |
sundries, door knobs, sink bowls |
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| 304M3 | Amenable to high speed bulging expanding. |
gas burner parts | ||
| 304L | Lower carbon content than type304,high resistance to intergranular corrosion. |
oil refinery, papermaking equipment |
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| 304N1 | Strength increased by adding nitrogen to type304 while keeping its ductility. |
high strength material for construction, colored fume pipe |
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| 305 | Less work hardenability than type304. |
used for spinning, cold heading |
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| 305M1 | Extreme deep drawing is possible.Slightly magnetized after forming. |
TV electron guns, electronic parts |
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| 305M3 | High spring characteristics and high strength with no magnetism. |
magnetic head cover | ||
| 302B | More oxidation resistant than type302, equal in oxidation resistance and strength with type310S under 900℃. |
automotive exhaust gas purifiers | ||
| (XM15J1) | ER-1 | Equal in oxidation resistance with type309S (high quality oxidation resistant steel). |
automotive exhaust gas purifiers material for burning part |
|
| ER-4 | High temperature salt corrosion resistance and chloride molten salt corrosion resistance. |
automotive flexible tube, incinerator |
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| 310S | High quality oxidation resistant steel. |
nitric acid tanks, burning chamber parts |
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| 316 | Highly corrosion resistant.Slightly magnetized after forming. |
chemical and paper industry equipment VTR guide rollers |
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| 316L | Lower carbon content than type316,highly resistant to intergranular corrosion. |
chemical,paper,dye and fertilizer industry equipment |
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| (315J2) | SCR | Resistant to stress corrosion cracking and has equal crevice corrosion resistance with type 316. |
Boilers and electric water heaters, indoor plumbing |
|
Usage examples
Laser processed goods:SUS304 3/4H
Smokeless Roaster:NSS304ES
Chemical Composition
※NSS is NIPPON STEEL Stainless Steel Corporation original standard.
| Classfication | Type | Chemical Composition(%) | |||||
|---|---|---|---|---|---|---|---|
| SUS (JIS) |
NSS | C | Ni | Cr | Mo | Others | |
| Austenitic Type |
301 | ≦0.15 | 6.00~8.00 | 16.00~18.00 | |||
| 301L | ≦0.03 | 6.00~8.00 | 16.00~18.00 | N≦0.20 | |||
| 304 | ≦0.08 | 8.00~10.50 | 18.00~20.00 | ||||
| (304Cu) | 304S | ≦0.08 | 8.00~10.50 | 18.00~20.00 | |||
| 304ES | ≦0.03 | 7.00~9.00 | 16.00~18.00 | Cu:2.80~3.80 | |||
| (XM7) | XM7 | ≦0.05 | 8.50~10.00 | 18.00~20.00 | Cu:2.50~4.00 | ||
| 304M2 | ≦0.03 | 6.50~8.50 | 15.50~17.50 | Cu:1.50~2.50 | |||
| 304M3 | ≦0.06 | 6.40~8.00 | 15.00~17.00 | Cu:1.50~2.50 | |||
| 304L | ≦0.03 | 9.00~13.00 | 18.00~20.00 | ||||
| 304N1 | ≦0.08 | 7.00~10.50 | 18.00~20.00 | N:0.10~0.25 | |||
| 305 | ≦0.12 | 10.50~13.00 | 17.00~19.00 | ||||
| 305M1 | ≦0.08 | 11.00~13.00 | 15.00~17.00 | Mn:2.00~4.00 | |||
| 305M3 | ≦0.08 | 11.00~13.50 | 18.00~20.00 | Mn:2.00~4.00 N:0.10~ 0.20 |
|||
| 302B | ≦0.15 | 8.00~10.00 | 17.00~19.00 | Si:2.00~3.00 | |||
| (XM15J1) | ER-1 | ≦0.07 | 12.00~13.50 | 18.50~20.00 | Nb:0.05~0.20 Si:3.00~4.00 |
||
| ER-4 | ≦0.07 | 12.00~13.50 | 16.00~18.00 | 2.00~3.00 | Si:2.00~3.00 | ||
| 310S | ≦0.08 | 19.00~22.00 | 24.00~26.00 | ||||
| 316 | ≦0.08 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | |||
| 316L | ≦0.03 | 12.00~15.00 | 16.00~18.00 | 2.00~3.00 | |||
| (315J2) | SCR | ≦0.07 | 11.50~13.50 | 18.00~19.50 | 0.50~1.50 | Cu:1.50~2.50 Si:2.50~4.00 |
|
Physical·Mechanical Properties
※NSS is NIPPON STEEL Stainless Steel Corporation original standard.
| Classifi cation |
Type | Physical Properties | Mechanical Properties | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SUS (JIS) |
NSS | Modulus of elasticity X103N/mm2 |
Specific gravity g/cm3 | Average modulus of thermal expansionX10-6 cm/cm/℃ | Thermal conductivity W/m・℃ |
Hardness test | Tensile test | ||||
| HRB | HV | Yield strength N/mm2 | Tensile strength N/mm2 |
Elongation % |
|||||||
| 20~100℃ | 100℃ | ||||||||||
Austenitic |
301 | 194 | 7.93 | 16.9 | 16.3 | ≦95 | ≦218 | ≧205 | ≧520 | ≧40 | |
| 301L | 194 | 7.93 | 16.9 | 16.3 | ≦95 | ≦218 | ≧215 | ≧550 | ≧45 | ||
| 304 | 194 | 7.93 | 17.3 | 16.3 | ≦90 | ≦200 | ≧205 | ≧520 | ≧40 | ||
| (304Cu) | 304S | 194 | 7.93 | 17.3 | 16.3 | ≦90 | ≦200 | ≧205 | ≧520 | ≧40 | |
| 304ES | 199 | 7.93 | 17.2 | 15.1 | ≦90 | ≦170 | ≧155 | ≧450 | ≧40 | ||
| (XM7) | XM7 | 194 | 7.93 | 17.3 | 16.7 | ≦90 | ≦200 | ≧205 | ≧510 | ≧40 | |
| 304M2 | 187 | 7.93 | 17.3 | 16.3 | ≦86 | ≦175 | ≧335 | ≧660 | ≧50 | ||
| 304M3 | 187 | 7.93 | 17.3 | 16.3 | ≦90 | ≦200 | ≧180 | ≧500 | ≧40 | ||
| 304L | 194 | 7.93 | 17.3 | 16.3 | ≦90 | ≦200 | ≧175 | ≧480 | ≧40 | ||
| 304N1 | 194 | 7.93 | 16.9 | 16.3 | ≦95 | ≦220 | ≧275 | ≧550 | ≧35 | ||
| 305 | 197 | 7.93 | 17.3 | 16.3 | ≦90 | ≦200 | ≧175 | ≧480 | ≧40 | ||
| 305M1 | 194 | 7.93 | 17.3 | 16.3 | ≦90 | ≦200 | ≧175 | ≧480 | ≧40 | ||
| 305M3 | 193 | 7.93 | 16.5 | - | ≦95 | ≦220 | ≧275 | ≧550 | ≧35 | ||
| 302B | 194 | 7.93 | 16.2 | 15.8 | ≦95 | ≦220 | ≧205 | ≧520 | ≧40 | ||
| (XM15J1) | ER-1 | 182 | 7.75 | 15.5 | 14.6 | ≦95 | ≦220 | ≧255 | ≧520 | ≧45 | |
| ER-4 | 182 | 7.95 | 14.5 | - | ≦95 | ≦220 | ≧205 | ≧520 | ≧40 | ||
| 310S | 205 | 7.98 | 14.4 | 14.1 | ≦90 | ≦200 | ≧205 | ≧520 | ≧40 | ||
| 316 | 194 | 7.98 | 16.0 | 16.0 | ≦90 | ≦200 | ≧205 | ≧520 | ≧40 | ||
| 316L | 193 | 7.98 | 16.0 | 16.0 | ≦90 | ≦200 | ≧175 | ≧480 | ≧40 | ||
| (315J2) | SCR | 194 | 7.75 | 16.7 | 16.0 | ≦95 | ≦220 | ≧255 | ≧520 | ≧45 | |
When NSS and SUS overlap, NSS standard (an ingredient, a characteristic) has priority to display.
Surface Finish
※NSS is NIPPON STEEL Stainless Steel Corporation 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. |
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| 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. |
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| NO.2B | Heat-treated,pickled and lightly cold-rolled to obtain appropriate luster surface after cold rolling. |
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| N0.3 | Polished with endless belt of No.100 to 120 specified in JISR6001. |
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| N0.4 | Polished with endless belt of No.150 to 180 specified in JISR6001. |
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| #240 | Polished with endless belt of No.240 specified in JISR6001. |
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| #320 | Polished with endless belt of No.320 specified in JISR6001. |
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| #400 | Polished with endless belt of No.400 specified in JISR6001. |
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| N0.9 | Polished with endless belt numbered over 320. |
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| BA | Given high-luster finish and subjected to bright heat treatment after cold rolling. |
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| HL | Polished with abrasives No.80 to 150 specified in JIS R6001 to obtain continuous streaks. |
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| N0.7 | Buffed so that reflectivity is higher, compared to #400 finish. |
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| N0.8 | Given BA finish and polished with cotton buff to obtain high reflectivity. |
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| Emboss | Provided with irregularities on one side by cold rolling
(both sides can be embossed). |
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Notice
These material information in this page is based on NIPPON STEEL Stainless Steel Corporation 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.
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