A new product
- AICHI STEEL CORPORATION - Sanyo Special Steel Co., Ltd.
- JFE Steel Corporation - Sumitomo Metal Industries, LTD.
- Nippon Steel & Sumikin Stainless Steel Corporation - Daido Steel Co.,Ltd.
- NISSHIN STEEL CO.,LTD. - NIPPON KINZOKU CO.,LTD.
- NIPPON METAL INDUSTRY CO.,LTD. - NIPPON YAKIN KOGYO CO.,LTD.

Sumitomo Metal Industries, LTD.
http://www.sumitomometals.co.jp/e/index.html
1 Heat-Resistant Austenitic Stainless Steel with Excellent Mechanical Properties at High Temperature, NAR-AH-4(23Cr-11Ni-0.2N-La+Ce)
Feature AH-4 has further improvement of mechanical strength, creep strength and high-cycle fatigue at high temperature.
AH-4 has excellent oxidation resistance at 900~1000°C.
AH-4 has further improved sensitivity of weld hot cracking.
Application Parts requiring heat resistance in Industrial furnaces, heat-treating furnace, fuel cell, power plants and chemical plants. Automotive exhaust manifold. Sheathed heater
2 High Corrosion Resistant Duplex Phase Stainless Steel, NAR-DP-3W
(25Cr-7Ni-3Mo-2W-0.3N)
Feature DP-3W has excellent pitting and crevice corrosion resistance to chloride containing environments and hot seawater.
DP-3W has low stress corrosion cracking susceptibility. High mechanical strength at room temperature.
DP-3W has good weldability as well as SUS316L.
Application Sea water pump, Sea water heat exchanger, OCTG tubing, Line pipe, Food sterilization equipment, Chemical processing tank, Processing tank for Chloride-rich food
3 Industrial Pure Nickel, NAR-N201(Ni-0.01C)
Feature NAR-N201 has high strength at high temperature and excellent toughness at low temperature.
NAR-N201 has high resistance against pitting corrosion, crevice corrosion and stress corrosion cracking. especially has high resistance against caustic soda.
Application Caustic soda electrolyzer, Food industry plant, Heat exchanger, Cold cathode tube, Anode lead for Lithium ion battery
4 High Fatigue Strength Stainless Steel Precision, NAR-301L HS1
(17Cr-7Ni-0.1N-0.05Nb)
Feature HS1 has high strength as the same level of SUS301H, excellent fatigue properties and smooth surface after bending because of super fine crystal grain structure by the original manufacturing processes.
Application Cylinder head gasket, Spring of varied description
5 Superior Flat Stainless Steel Precision after Etching,
NAR-304H-SR and NAR-301L SE1
Feature These have excellent flatness after etching by stress relief treatment.
Furthermore, NAR-301L SE1 has smooth surface after etching by super fine crystal grain structure.
Application Material for etching, Electronic precision parts