Nickel Alloy

We provide more than 30 types of nickel alloy,
including pure nickel, permalloy, invar and other alloys.
Orders are available from single-piece requests.

Metal Working

We offer one-stop production manufacturing service,
including machining, press working, heat treatment, and surface treatment.

Plant Design

Custom-made design and production of
piping components, containers, and machinery.

Strip Rolling

We produce custom-made foil and clad metals.

Material Info
Stock List

Pure nickel

Ni-201
Magnetic alloys

PB (45% permalloy)

PC (78% permalloy)
Low thermal expansion alloys

FN-36 (Invar)

FN-315 (Super Invar)

KOV (Kovar)

42Ni-Fe (42Alloy)

Electrical resistance alloys

NCH-1 (Nichrome 80)

NCH-2 (Nichrome 60)

EVANOHM R

CN49 (Constantan)

CM44 (Manganin)

Cu-Mn-Sn (Zeranin 30)

Heat-resistance alloys

Alloy 600 (Inconel 600)

Alloy 601 (Inconel 601)

Alloy 625 (Inconel 625)

Alloy 718 (Inconel 718)

Alloy X750 (Inconel X750)

Alloy 800HT (Incoloy 800HT)

Alloy X (Hastelloy X)

N-80A (Nimonic 80A)

Corrosion-resistance alloys

Alloy C-276 (Hastelloy C-276)

Alloy C-22 (Hastelloy C-22)

Alloy 20 (Carpenter 20Cb3)

Alloy B-2 (Hastelloy B-2)

Alloy 400 (Monel 400)

Alloy K500 (Monel K500)

Cu70:Ni30 Alloy (C71500)

Cu90:Ni10 Alloy (C70600)

Category	Materials	Strip	Billet (block)	Round bar	Sheet	Wire	Pipe
Pure nickel	Ni-201	t0.1～1.5	-	φ2～12	t0.1～50.8	φ0.5～12	φ3～60.5
Magnetic alloys	PB	t0.2～1.2	～200×200×L	φ3～100	t0.2～3	φ0.5～8	Please contact as
Magnetic alloys	PC	t0.1～3	～200×200×L	φ6～100	t0.1～3	φ0.5～8
Low thermal expansion alloys	FN-36	t0.15～2	～260×260×L	φ3～100	t0.15～12.7	φ0.5～8
	FN-315	-	～320×320×L	φ3～100	t6.35～50.8	φ0.5～12
	KOV	t0.1～1	～200×200×L	φ3～100	t0.1～25.4	φ0.5～12
	42Ni-Fe	t0.1～1.5	～200×200×L	φ10～100	t0.1～38.1	-
Electrical resistance alloys	NCH-1	t0.04～1.6	-	Please contact as	t0.1～1.6	φ0.5～2
	NCH-2	t0.1～2			t0.1～2	φ0.5～2
	EVANOHM R	t0.2～1			t0.2～1	Please contact as
	CN49 (Constantan)	t0.05～1.47			t0.1～1.47
	CM44	t0.1～1			t0.1～1
	Cu-Mn-Sn	t0.05～2			t0.1～2
Heat-resistance alloys	Alloy 600	t0.2～1	-	φ2～250	t0.2～76.2	Please contact as	Please contact as ～60.5
	Alloy 601	t0.2～1		φ2～250	t1～50.8
	Alloy 625	t0.2～1		φ2～300	t0.5～64
	Alloy 718	t0.15～1.2		φ6×300	t0.15～89.8
	Alloy X750	Please contact as		φ12.7～63.5	t0.127～63.5
	Alloy 800HT			φ10～250	t0.508～50.8
	Alloy-X			φ13～160	t0.508～76.2
	N-80A	-		Please contact as	-		-
Corrosion-resistance alloys	Alloy C276	t0.1～0.5		φ2～300	t0.4～63.5		Please contact as ～114.3
	Alloy C22	t0.15～0.5		φ2～300	t0.5～100		Please contact as ～60.5
	Alloy 20	Please contact as		φ10～250	t2～20
	Alloy B-2	Please contact as		φ12～250	t2～20
	Alloy 400	t0.5～1		φ3～250	t1～16
	Alloy K500	Please contact as		φ10～250	t0.82～63.5
	Cu70:Ni30 Alloy			φ4.76～304.8	t1.5～76.2		φ6.35～270.05
	Cu90:Ni10 Alloy			φ6.35～152.4	t1.5～76.2		φ6.35～219.07

BUSINESS Business

Business

Kouei Co., Ltd. is active in 4 business segments.
We propose the best solution to meet your needs.

Nickel Alloy

Steel type :

Nickel｜ Permalloy｜ Invar｜ Super Invar｜ Kovar｜ 42Ni-Fe｜ CN49 (Constantan)｜ Inconel｜ Hastelloy｜ Titanium｜ Rare metal
Form :

Strip｜ Billet (block)｜ Round bar｜ Sheet｜ Pipe

Metal Working

Band sawing｜
Slitting｜
Forging｜
Rolling｜
Pressing｜
Lathing｜
Machining center｜
Wire cutting｜
Laser cutting｜
Grinding｜
Heat treatment｜
Plating｜
Welding｜
Assembly

Plant Design

Pressure vessel｜
Vacuum vessel｜
Heat treatment furnace｜
Gas heater｜
3D CAD structural analysis

Strip Rolling

Rolling｜
Heat treatment｜
Roll slitting｜
Cladding｜
Strip plating

ABOUT US About Us

About us

An integrated nickel alloy manufacturer supporting technological advancement worldwide.

As an integrated manufacturer of nickel alloy, Kouei not only sells various nickel alloys, but also uses the reliable technology and know-how which has been accumulated over many years to meet your every demand, including small-lot custom-made production, making prototype required from the development stage through to mass production stage.

INDUSTRIAL
FIELD Industrial Field

Industrial
field

We contribute to the development of technology by providing highly advanced materials.

We provide materials such as pure nickel, magnetic alloys, Low thermal expansion alloys, Electrical resistance alloys, heat-resistance alloys, corrosion-resistance alloys and special metal materials in a wide range of fields including batteries, energy, semiconductors, aerospace and medical care.

Medical care
Aerospace
Semiconductors
Energy
Batteries

STRENGTH Strength

Strength

Our one-stop service covering every steps of work
from procurement of materials to processing and inspection.

Kouei provides integrated and powerful support for our customers’ manufacturing and selling, by handling special metals such as nickel,
nickel alloys, and clad materials
in shape of strip, billet, round bar, sheet, and wire
from processing to subsequent inspection.

SUPPORT Support

Support

Support from experienced staff

We provide as much information as possible that our customers require.
Please feel free to contact our Sales Department whenever you have questions regarding materials or processing.