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We make advanced non-magnetic chromium-coated workable stainless steels that are resistant to the heat, corrosion and cracking experienced in harsh environments.
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We use the latest innovations to manufacture the best alloy for each environment.
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POLKA and Checker stainless steel flooring from Nippon Yakin Kogyo, made of Type 304 stainless steel, these durable products are resistant to heat and corrosion, and feature special mechanical properties.The design incorporates both safety features and aesthetic appeal making these plates suitable for many locations.
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〈 High-Performance Alloys 〉
| Type | Chemical composition(％) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Class | NAS | JIS | C | Si | Mn | Ni | Cr | Mo | Cu | other |
| Corrosion Resistant Alloys | NAS255 | SUS890L | ≦0.020 | ≦1.00 | ≦2.00 | 23.00～ 28.00 |
19.00～ 23.00 |
4.00～ 5.00 |
1.00～ 2.00 |
- |
| NAS335X | - | ≦0.070 | ≦1.00 | ≦2.00 | 32.00～ 38.00 |
19.00～ 21.00 |
2.00～ 3.00 |
3.00～ 4.00 |
Nb 8xC～1.00 | |
| NAS185N | SUS312L | ≦0.020 | ≦0.70 | ≦1.00 | 17.50～ 18.50 |
19.50～ 20.50 |
6.00～ 6.50 |
0.50～ 1.00 |
N 0.18～0.25 | |
| NAS254N | SUS836L | ≦0.030 | ≦1.00 | ≦1.00 | 24.00～ 26.00 |
22.00～ 24.00 |
5.00～ 6.00 |
- | N 0.17～0.22 | |
| NAS254NM | - | ≦0.030 | ≦1.00 | ≦2.00 | 23.50～ 25.20 |
20.00～ 22.00 |
6.00～ 7.00 |
- | N 0.18～0.25 | |
| NAS255NM | - | ≦0.020 | ≦0.50 | ≦2.00 | 24.00～ 26.00 |
19.00～ 21.00 |
6.00～ 7.00 |
0.50～ 1.50 |
N 0.15～0.25 | |
| NAS325N | - | ≦0.015 | ≦0.3 | ≦2.0 | 30.00～ 32.00 |
26.00～ 28.00 |
6.00～ 7.00 |
1.00～ 1.40 |
N 0.15～0.25 | |
| NAS354N | - | ≦0.030 | ≦1.00 | ≦1.00 | 34.00～ 36.00 |
22.00～ 24.00 |
7.00～ 8.00 |
- | N 0.17～0.24 | |
| NAS355N | - | ≦0.030 | ≦1.00 | ≦1.00 | 35.00～ 36.00 |
22.00～ 24.00 |
7.00～ 8.00 |
3.00～ 4.00 |
N 0.19 ～0.24 | |
| NAS329J3L | SUS329J3L | ≦0.030 | ≦1.00 | ≦2.00 | 4.50～ 6.50 |
21.00～ 24.00 |
2.50～ 3.50 |
- | N 0.08～0.20 | |
| NAS64 | SUS329J4L | ≦0.030 | ≦0.90 | ≦1.00 | 5.50～ 7.20 |
24.00～ 26.00 |
3.00～ 3.50 |
- | N 0.08～0.20、W 0.05～0.30 | |
| NAS74N | SUS327L1 | ≦0.030 | ≦0.80 | ≦1.20 | 6.00～ 8.00 |
24.00～ 26.00 |
3.00～ 5.00 |
≦0.50 | N 0.24～0.32 | |
| NAS75N | - | ≦0.030 | ≦1.00 | ≦1.00 | 6.00～ 8.00 |
24.00～ 26.00 |
3.00～ 4.00 |
0.50～ 1.00 |
N 0.20～0.30、W 0.50～1.00 | |
| NAS825 | NCF825 | ≦0.050 | ≦0.50 | ≦1.00 | 38.00～ 46.00 |
19.50～ 23.50 |
2.50～ 3.50 |
1.50～ 3.00 |
Ti 0.60～1.20 Al≦0.20 | |
| NAS625 | NCF625 | ≦0.10 | ≦0.50 | ≦0.50 | ≦58.00 | 20.00～ 23.00 |
8.00～ 10.00 |
- | Ti≦0.40 Al≦0.40 Fe≦5.0 Co≦1.0 Nb≦3.15～4.15 | |
| NASNW22 | NW6022 | ≦0.015 | ≦0.08 | ≦0.50 | Bal | 20.00～ 22.50 |
12.50～ 14.50 |
- | Fe 2.0～4.0、W 2.5～3.5、 V≦0.35、Co≦2.5 | |
| NASNW276 | NW0276 | ≦0.010 | ≦0.08 | ≦1.00 | Bal | 14.50～ 16.50 |
15.0～ 17.00 |
- | Co≦2.5、Fe 4.0～7.0、 W3.0～4.5、V≦0.35 | |
| NASNW400 | NW4400 | ≦0.30 | ≦0.5 | ≦2.0 | ≧63.0 | - | - | 28.0～ 34.0 |
Fe≦2.5 | |
| Heat Resistant Alloys | NASH330 | - | ≦0.08 | 0.75～ 1.50 |
≦2.00 | 34.0～ 37.0 |
17.0～ 20.0 |
- | ≦1.00 | Pb≦0.005 Sn≦0.025 |
| NAS800 | NCF800 | ≦0.10 | ≦1.00 | ≦1.50 | 30.00～ 35.00 |
19.00～ 23.00 |
- | ≦0.75 | Ti 0.15～0.60、Al 0.15～0.60 | |
| NAS800H | NCF800H | 0.06～0.10 | ≦1.00 | ≦1.50 | 30.00～ 35.00 |
19.00～ 23.00 |
- | ≦0.75 | Ti 0.15～0.60、Al 0.15～0.60、Fe≧39.5 | |
| NAS800T | - | 0.06～0.10 | ≦1.00 | ≦1.50 | 30.00～ 35.00 |
19.00～ 23.00 |
- | ≦0.75 | Ti 0.15～0.60、Al 0.15～0.60、Fe≧39.5 | |
| NASH840 | - | ≦0.08 | ≦1.00 | ≦1.00 | 18.00～ 22.00 |
18.00～ 22.00 |
- | - | Ti 0.15～0.60、Al 0.15～0.60 | |
| NASH880 | - | ≦0.030 | 0.30～ 0.50 |
0.35～ 0.65 |
24.50～ 27.00 |
22.80～ 23.90 |
1.15～ 1.35 |
≦0.25 | Al 0.20～0.40、Ti 0.25～0.45、Co 0.05～1.00、N≦0.02 | |
| NAS600 | NCF600 | ≦0.15 | ≦0.50 | ≦1.00 | ≧72.00 | 14.00～ 17.00 |
- | ≦0.50 | Fe 6.00～10.00 | |
| NAS601 | NCF601 | ≦0.10 | ≦0.50 | ≦1.00 | 58.00～ 63.00 |
21.00～ 25.00 |
- | ≦1.00 | Al 1.00～1.70 | |
| NASH38X | - | 0.02〜 0.10 |
≦1.0 | ≦1.5 | 35.0〜 39.0 |
23.0〜 27.0 |
≦2.50 | ≦0.50 | Al ≦0.40、Ti ≦0.20、B ≦0.010、Co ≦3.0、W ≦2.50、N 0.15～0.30、Nb 0.4～0.9、Fe Bal. | |
| NASHX | NW6002 | 0.05～ 0.15 |
≦1.00 | ≦1.00 | Bal | 20.50～ 23.00 |
8.00～ 10.00 |
- | Fe 17.00～20.00、Co 0.5～2.5、W 0.2～1.0 | |
| High-strength Stainless Steels | NAS630 | SUS630 | ≦0.07 | ≦1.00 | ≦1.00 | 3.00～ 5.00 |
15.00～ 17.50 |
- | 3.00～ 5.00 |
Nb 0.15～0.45 |
| NAS631 | SUS631 | ≦0.09 | ≦1.00 | ≦1.00 | 6.50～ 7.75 |
16.00～ 18.00 |
- | - | Al 0.75～1.50 | |
| NASXM-19 | - | ≦0.06 | ≦0.75 | 4.00～ 6.00 |
11.50～ 13.50 |
20.50～ 23.50 |
1.50～ 3.00 |
- | Nb 0.10～0.30、V 0.10～0.30、N 0.20～0.40 | |
| Controlled Stainless Steels | NAS36 | - | ≦0.05 | ≦0.30 | ≦0.80 | 35.0～ 37.0 |
- | - | - | - |
| NAS36LG | - | - | - | - | - | - | - | - | - | |
| NAS42 | - | ≦0.03 | ≦0.30 | ≦0.80 | 40.0～ 43.0 |
≦0.25 | - | - | - | |
| NAS21-6 | - | ≦0.03 | ≦0.35 | 0.5～ 1.0 |
20.0～ 21.5 |
5.0～ 6.0 |
- | - | - | |
| NAS22-3 | - | ≦0.08 | ≦0.35 | 0.4～ 1.0 |
21.5～ 22.5 |
3.0～ 4.0 |
- | - | - | |
| NAS206MN | - | ≦0.05 | ≦0.30 | 5.50～ 6.50 |
19.5～ 20.5 |
≦0.3 | - | - | - | |
| NAS29CO | - | ≦0.04 | ≦0.20 | ≦0.50 | 29.00～ 30.00 |
≦0.20 | ≦0.20 | ≦0.20 | Co 16.0～17.0 | |
| Non-Magnetic Material | NASNM15M | - | 0.040～ 0.090 |
≦0.90 | 14.00～ 15.00 |
4.00～ 4.60 |
16.50～ 17.50 |
- | - | N 0.30～0.35 |
| NASNM17 | - | ≦0.10 | ≦1.00 | 16.00～ 17.0 |
7.00～ 8.0 |
16.00～ 18.00 |
- | - | N≦0.20 | |
| Soft Magnetic Alloys | NASPB | - | ≦0.05 | ≦0.50 | ≦0.80 | 45.0～ 49.0 |
- | - | - | - |
| NASPC | - | ≦0.05 | ≦0.50 | ≦1.5 | 75.0～ 78.0 |
≦0.30 | 3.0～ 4.5 |
4.0～ 6.0 |
- | |
| Ni | NASNi201 | NW2201 | ≦0.02 | ≦0.3 | ≦0.3 | ≧99.0 | - | - | ≦0.2 | Fe≦0.4 |
| Neutron Absorption Material | NAS8R10 | - | ≦0.08 | ≦1.00 | ≦2.00 | 8.00～ 10.5 |
18.00～ 20.00 |
- | - | B 1.00～1.25 |
〈 Stainless Steels 〉
| Type | Chemical composition(％) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Class | NAS | JIS | C | Si | Mn | Ni | Cr | Mo | Cu | other |
| Standard Type | NAS301 | SUS301 | ≦0.15 | ≦1.00 | ≦2.00 | 6.00～ 8.00 |
16.00～ 18.00 |
- | - | - |
| NAS304 | SUS304 | ≦0.08 | ≦1.00 | ≦2.00 | 8.00～ 10.50 |
18.00～ 20.00 |
- | - | - | |
| NAS305 | SUS305 | ≦0.12 | ≦1.00 | ≦2.00 | 10.50～ 13.00 |
17.00～ 19.00 |
- | - | - | |
| NAS316 | SUS316 | ≦0.08 | ≦1.00 | ≦2.00 | 10.00～ 14.00 |
16.00～ 18.00 |
2.00～ 3.00 |
- | - | |
| NAS317 | SUS317 | ≦0.08 | ≦1.00 | ≦2.00 | 11.00～ 15.00 |
18.00～ 20.00 |
3.00～ 4.00 |
- | - | |
| Intergranular Corrosion Resistance | NAS301L | SUS301L | ≦0.030 | ≦1.00 | ≦2.00 | 6.00～ 8.00 |
16.00～ 18.00 |
- | - | N≦0.20 |
| NAS304L | SUS304L | ≦0.030 | ≦1.00 | ≦2.00 | 9.00～ 13.00 |
18.00～ 20.00 |
- | - | - | |
| NAS347 | SUS347 | ≦0.08 | ≦1.00 | ≦2.00 | 9.00～ 13.00 |
17.00～ 19.00 |
- | - | Nb≧10×C | |
| NAS316L | SUS316L | ≦0.030 | ≦1.00 | ≦2.00 | 12.00～ 15.00 |
16.00～ 18.00 |
2.00～ 3.00 |
- | - | |
| NAS317L | SUS317L | ≦0.030 | ≦1.00 | ≦2.00 | 11.00～ 15.00 |
18.00～ 20.00 |
3.00～ 4.00 |
- | - | |
| For Forming | NAS304MK | SUS304J2 | ≦0.030 | ≦1.00 | 3.60～ 5.00 |
6.50～ 8.00 |
15.50～ 17.00 |
- | 1.50～ 2.00 |
- |
| NAS304DJ | SUS304J1 | 0.04～0.08 | ≦1.70 | ≦3.00 | 6.50～ 7.50 |
16.00～ 18.00 |
- | 2.00～ 3.00 |
- | |
| NAS304SS | SUS304 | ≦0.08 | ≦1.00 | ≦2.00 | 8.00～ 10.50 |
18.00～ 20.00 |
- | - | - | |
| Free-Machining | NAS303AM | SUS303 | ≦0.08 | ≦1.00 | ≦2.00 | 8.00～ 10.00 |
18.00～ 19.00 |
≦0.60 | - | S≧0.15 |
| High Strength | NAS301N | (SUS301) | ≦0.15 | 0.80～ 1.00 |
≦2.00 | 6.00～ 8.00 |
16.00～ 18.00 |
- | - | N 0.03～0.07 |
| NAS304N2 | SUS304N2 | ≦0.08 | ≦1.00 | ≦2.50 | 7.50～ 10.50 |
18.00～ 20.00 |
- | - | N 0.15～0.30 Nb≦0.15 | |
| Heat Resistance | NAS309S | SUS309S | ≦0.08 | ≦1.00 | ≦2.00 | 12.00～ 15.00 |
22.00～ 24.00 |
- | - | - |
| NAS310S | SUS310S | ≦0.08 | ≦1.50 | ≦2.00 | 19.00～ 22.00 |
24.00～ 26.00 |
- | - | - | |
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Our innovative alloys meet the precise technical needs of the electronics industry.
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With cutting edge engineering we supply robust steels to withstand chemical corrosion.
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We have perfected alloys with unsurpassed structural performance in marine conditions.
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Our alloys ensure the efficient operation of equipment in the energy industry.
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