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Mechanical Properties of Corrosion & Heat Resistant Super Alloys

@Grades and Mechanical Properties


Grade Mechanical Property Characteristics
Classification NAS JIS Yield Strength Tensile Strength Elongation Hardness
(N/mm2) (N/mm2) (“) (HRB) (HV) (HB)

High Corrosion
Resistant Stainless Steel and Alloy

NAS
155N
- †245 †550 †35 …95 …220 …217 Sulfuric corrosion resistance
NAS
185N
SUS
312L
†310 †655 †35 …96 - …223 High corrosion resistant super stainless steel
NAS
254N
SUS
836L
†295 †640 †40 …96 …230 …217

Proprietary high temperature seawater

corrosion resistant stainless steel
NAS
254NM
- †310 †655 †30 - - …240 High corrosion resistant super stainless steel
NAS
255
SUS
890L
†215 †490 †35 …90 …200 …187

Better acid corrosion

resistance than NAS317L
NAS
255NM
- †295 †650 †35 - - - High corrosion resistant super stainless steel
NAS
354N
- †295 †640 †35 …96 …230 …217 Proprietary high corrosion resistant stainless steel
NAS
329J3L
SUS
329J3L
†450 †620 †18 HRC…32 …320 …302

High corrosion resistant duplex stainless steel

Lower yield strength than NAS64
NAS
64
SUS
329J4L
†450 †620 †18 HRC…32 …320 …302 Proprietary high corrosion resistant stainless steel
NAS
74N
- †550 †795 †15 - - …310 High corrosion resistant super duplex stainless steel
NAS
75N
- †550 †750 †25 - - …270 High corrosion resistant super duplex stainless steel
NAS
825
NCF
825
†235 †580 †30 …96 …214 …207 High corrosion resistant alloy
NAS
625
NCF
625
†276 †690 †30 - - - High corrosion and heat resistant alloy
NAS
690
NCF
690
†240 †590 †30 - - - High corrosion resistant alloy
NAS
NW22
NW
6022
†240 †660 †35 - - - Applied for hydrochloric acid, sulfuric acid, phosphoric acid, and chloride environment
NAS
NW276
NW
0276
†275 †690 †40 - - - Applied for hydrochloric acid, sulfuric acid, phosphoric acid, and chloride environment
NAS
NW400
NW
4400
†195 †480 †35 - - - Seawater corrosion resistant Ni-Cu alloy
Heat Resistant Steel and Alloy NAS
800
NCF
800
†205 †520 †30 …89 …182 …179 Corrosion resistance and acid resistance at high temperature
NAS
800H
NCF
800H
†175 †450 †30 …86 …171 …167 Corrosion resistance and acid resistance at high temperature
NAS
800T
- †175 †450 †30 - - - Corrosion resistance and acid resistance at high temperature
NAS
H840
- †170 †485 †30 …92 - - Corrosion resistance and acid resistance at high temperature
NAS
600
NCF
600
†245 †550 †30 …89 …182 …179 High temperature corrosion resistance and strength
NAS
601
NCF
601
†195 †550 †30 - - - High temperature strength, and oxidation, carburization, and sulfurization resistance,
NAS
660
SUH
660
- †730 †25 …91 …202 …192 Precipitation hardening austenitic stainless steel
†590 †900 †15 HRC…24 …261 †248 Precipitation hardening austenitic stainless steel
NAS
HX
NW
6002
†240 †655 †35 - - - High temperature strength and oxidation resistance
NAS
750
NCF
750
- …890 †40 HCR…35 …335 …321 High temperature strength and oxidation resistance
Ni NAS
Ni201
NW
2201
†80 †345 †30
(Thickness over 0.5 mm and equal or less than 1.2 mm)
- - - Corrosion resistance in high temperature and concentration alkaline and chlorine gas
†35
(Thickness over 1.2 to equal or less than 2.7 mm)

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