Multi Core Tube Material

Multi Core Tube

Material	National Standard
	Alloy	UNS CODE	ASTM	KS	JIS	DIN
Stainless Steel	304	S30400	304	STS 304	SUS 304	1.4301
	316	S31600	316	STS 316	SUS 316	1.4401
	316L	S31603	316L	STS 316L	SUS 316L	1.4404
	317L	S31703	317L	STS 317L	SUS 317L	1.4438
	321	S32100	321	STS 321	SUS 321	1.4541
	347	S34700	347	STS 347	SUS 347	1.4550
Super Austenitic	904L	N08904	–	STS 890L	SUS 890L	1.4539
	6 Mo	S31254	–	–	–	1.4547
Nickel Alloy	Monel 400	N04400	400	NCF 690 TB	NCF 690 TB	2.4360
	Nickel 200	N02200	200	NCF 600 TB	NCF 600 TB	2.4066
	Inconel600	N06600	I600	NCF 800 TB	NCF 800 TB	2.4816
	Inconel625	N06625	I625	NCF 625 TB	NCF 625 TB	2.4856
	Inconel825	N08825	I825	NCF 825 TB	NCF 825 TB	2.4858
	Hastelloy C22	N06022	C22	NW6022	NW6022	2.4602
	Hastelloy C276	N10276	C276	NW0276	NW0276	2.4819
Duplex	Duplex	S31803, S32205	–	STS 329J3L	SUS 329J3L	1.4462
	Super Duplex	S32750	–	–	–	1.4410
Copper	Copper	C12200	C12200	C1220	C1220	SF-Cu
Copper-Nikel 90/10	Cu-Ni 90/10	C70600	C70600	C7060	C7060	CuNi10Fe1Mn

Material	Description	Typical Applications
316/316L(UNS S31600 / UNS S31603)	316/316L is a molybdenum steel possessing improved resistance to pitting. In addition, it provides excellent elevated temperature tensile, creep and stress – rupture strengths. 316/316L is an 18/8 austenitic stainless steel and is more resistant to atmospheric and other mild environments than Type 304.	Shipbuilding, Nuclear, chemical processing, Rubber, plastics, pulp/paper, pharmaceutical and textile industries, heat exchangers, condensers and evaporators
304/304L(UNS S30400 / UNS S30403)	Stainless steel alloy 304 is an austenitic chromium and nickel alloy. For ease of forming and welding, plus general purpose corrosion resistance and oxidation, stainless steel alloy 304 is ideal. It also is extremely tough and easily fabricated. The final product cleans easily and is both beautiful and functional.	Sanitary, Dairy and Food processing, Heat exchangers, evaporators, Feedwater heaters
317L(UNS S31703)	Stainless 317L has a high tensile and creep strength at elevated temperatures. Due to its excellent corrosion resistance it has been used in handling many of the chemicals used by the chemical process industries.	Chemical and petrochemical process equipment, pulp and paper manufacturing and nuclear fueled power generation stations
321(UNS S32100)	Stainless 321 is a chromium-nickel steel which was developed with improved intergranular-corrosion resistance. Stainless 321 is resistant to atmospheric corrosion, sterilizing solutions, many organic chemicals, and a wide variety of inorganic chemicals. It has strong high temperature scale resistance.	High temperature chemical process, heat exchanger tubes & equipments, refineries, high temperature steam service
347(UNS S34700)	Columbium-stabilized austenitic stainless steel which resiSTS carbide precipitation during welding and intermittent heating since it has good high temperature scale resistance.	nuclear applications, aircraft collector rings, and exhaust manifolds, expansion joints and high temperature chemical process equipment
6 Mo	6 Mo is a super material austenitic with a molybdenum and nitrogen, providing high resistance to pitting and crevice corrosion as well as high strength compared with conventional austenitic 300 stainless steels. The high-performance austenitic Stainless Steel designed specifically to use nitrogen for added corrosion resistance.	Seawater Handling Equipment, Pulp Mill Bleach Systems, Chemical Processing Equipment, Sea water Desalination, Oil and Gas Production Equipment
Inconel600(UNS N06600)	Inconel 600 is a standard engineering material and has a great resistance to heat and corrosion due to high nickel content. Inconel 600 also has high strength and can be easily formed. Inconel 600 can be hardened and strengthened only by cold work.	Steam generators, chemical processing, food processing, superheaters, jet engines, electronic parts, heat-treating industry for muffles, furnace components and for heat-treating baskets and trays
Inconel625(UNS N06625)	Inconel 625 is a nonmagnetic, corrosion and oxidation resistant, nickel-base alloy. It has high strength and toughness in the temperature range cryogenic to 1093°C(2000°F). Alloy 625 has excellent fatigue strength and stress-corrosion cracking resistance to chloride ions.	Heat shields, furnace hardware, gas turbine engine ducting, combustion liners and spray bars, chemical plant hardware and special seawater applications.
Incoloy 825(UNS N08825)	Incoloy 825 is a nickel-iron- chromium alloy with titanium, copper, and molybdenum. Incoloy 825’s chemical composition provides great resistance to many corrosive environments. Incoloy 825 has good mechanical properties from moderately to high temperatures. The material has good weldability by all conventional processes.	Acid pickling plants, Processing of liquid petroleum gas (LPG), sea water cooled heat exchangers, offshore product piping system tubes, pipelines carrying wet sulphur dioxide gas and pulp digesters in the papermaking process
Hastelloy C22(UNS N06022)	Hastelloy C22 provides resistance to general corrosion, pitting, crevice corrosion, intergranular attack, and stress corrosion cracking.	Marine, power, chemical processing, pollution control, paper processing, and waste disposal industries.
Hastelloy C276(UNS N10276)	Hastelloy C-276 is a nickel-molybdenum-chromium alloy with excellent corrosion resistance in severe environments.	Flue Gas Desulfurization (FGD) applications, pollution control, chemical processing, pulp and paper production, and waste treatment.
Nickel200(UNS N02200)	Nickel 200 is 99.6% pure nickel, one of the toughest metals. It offers excellent corrosion resistance, good mechanical, magnetic and magnetostrictive properties and useful thermal and electrical conductivities.	Food processing equipment, marine and offshore engineering, salt production, chemical processing and storage, aerospace and defense industries
904L(N08904)	904L has strong resistance to strong reducing acids, especially (H2SO4) sulphuric acid. 904L has better resistance to chloride attack against both stress corrosion cracking and crevice / pitting corrosion. With excellent weldability and formability 904L also maintain non-magnetic state in all conditions.	Oil and Gas Industry, paper & pulp industries, chemical and pharmaceutical industries
Monel400(N04400)	Monel 400 is a nickel-copper alloy that is hardened by cold working only. Monel 400 has low corrosion rate in flowing seawater, therefore it is widely used in marine applications. Monel 400 also has excellent resistance to stress corrosion cracking in most freshwaters. The alloy has great mechanical properties at subzero temperatures.	Marine applications, offshore plants, aerospace applications, chemical and hydrocarbon processing equipments
Duplex 2205(UNS S31803, S32205)	Duplex consiSTS of about equal proportions of ferrite and austenite. Duplex has a duplex microstructure which contributes to their high strength and high resistance to stress corrosion cracking. Due to their high content of chromium, nitrogen and molybdenum, duplex steels offer good resistance to local and uniform corrosion. Duplex stainless steels have good weldability.	Offshore and marine applications, oil and gas equipment and seawater desalination plants
Super Duplex 2507(UNS S32750)	Duplex 2507 is a super duplex stainless steel designed for applications which demand excellent mechanical properties and exceptional corrosion resistance. This high molybdenum, chromium and nitrogen content results in excellent resistance to chloride pitting and crevice corrosion attack and the duplex structure provides 2507 with exceptional resistance to chloride stress corrosion cracking.	Desalination equipment, piping and heat exchangers, marine applications, offshore oil production/technology, seawater desalination plants and oil and gas industry equipment
Copper-nickel(Cu-Ni) 90/10(UNS C70600)	Copper-nickel(Cu-Ni) 90/10 alloys have excellent corrosion rates so they have high resistance to crevice corrosion, stress corrosion cracking.	Seawater piping, seawater system piping, marine applications, offshore structures, commercial shipping, multiple-stage flash desalination and power stations
Copper(UNS C12200)	Copper has strong resistance to corrosion, durability and good ductility. Good malleability of copper is a huge reason for its widespread use in tubing / piping systems. As copper has unmatched thermal conductivity in other metals it can hold and transfer cold and hot temperatures very easily.	Air conditioning & refrigeration, direct exchange geothermal heating/cooling, drain, waste and vent, fuel gas (Natural Gas and L. P. G.) distribution and heating

Maximum Allowable Working Pressure

• Seamless stainless steel tube (Unit : bar)

O.D (mm)	Wall Thickness(mm)
	0.5	0.8	1.0	1.2	1.5	2.0
6	205	340	440	–	–	–
8	150	250	315	390	–	–
10	115	195	250	305	390	545
12	–	160	205	250	315	440
15	–	–	160	195	250	340

O.D (in.)	Wall Thickness(in.)
	0.035	0.049
1/4	360	530
3/8	230	330
1/2	170	240

• Seamed stainless steel tube (Unit : bar)

O.D (mm)	Wall Thickness(mm)
	0.5	0.8	1.0	1.2	1.5	2.0
6	160	270	350	–	–	–
8	120	200	255	310	–	–
10	95	155	200	240	310	435
12	–	125	160	200	255	350
15	–	–	129	155	200	270

O.D (in.)	Wall Thickness(in.)
	0.035	0.049
1/4	290	425
3/8	185	265
1/2	135	195

• Copper tube (Unit : bar)

O.D (mm)	Wall Thickness(mm)
	0.8	1.0	1.2
6	120	150	180
8	85	110	130
10	–	85	100
12	–	70	85

• Cu-Ni(90/10) tube (Unit : bar)

O.D (mm)	Wall Thickness(mm)
	1.0	1.4	1.5
8	150	240	260
10	130	190	200
12	–	160	170

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