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Carbon Steel

ASTM A516 / ASME SA516 / SA537.Cl2 
Pressure Vessel Plates with Carbon Steel material with Normalizing Services

HIC test is available according to NACE TM0284 Solution A (the low PH solution 2.75 PH). we can supply HIC-tested A516 plates form high level mills for sour service applications. All HIC resistant plates are produced based on exclusive process, which reduces sulfur as much as low. NACE requirement will be supplied according to both ISO15156/MR0175 and MR0103. For low temperature services we suggest plates in Normalized condition, in this case impact test result at desired temperature will be available.

ASTM A516
ASME SA516 Grade 70, 60, 65, 55
ASTM A516 N
ASME SA516N 70, 60, 65, 55 (Normalized)
ASTM A516
ASME SA516 70, 60, 65, 55 NACE MR0103
ASTM A516
ASME SA516 70, 60, 65, 55 NACE MR0175
ASTM A516
ASME SA51670, 60, 65, 55 HIC Tested
ASTM A 537
ASME SA537.Cl +S5

Alloy Steels

ASTM A387 / ASME SA387

chromium-molybdenum alloy steel plates for welded boilers and pressure vessels designed for elevated temperature service. We supply A387 alloy steels in a full range of Grades, including Grade 11, 12, 22, 22L, 5, 9 and 91. Grades 11, 12 and 22 are most commonly used in pressure vessels.


The following alloys are covered: C44300Admirality, Arsenical, C46400 Naval Brass, Uninhibited, C61300 Aluminum Bronze, C46500 Naval Brass, Arsenical, C61400 Aluminum Bronze, C70600 90-10 Copper Nickel, C71500, 70-30 Copper 


Nickel Alloy

ASTM / ASME SB 168 UNS N02200 ( NICKEL 200 ) / UNS 2201 (NICKEL 201 )

Nickel 200 is 99.6% pure nickel, one of the toughest metals. The Nickel 200's characteristics include excellent mechanical properties, a low gas content, low vapor- pressure, magnetic properties, high thermal and electrical conductivity. These properties and its chemical composition make Nickel 200 fabricatable and highly resistant to corrosive environment. Nickel 200 is useful in any environment below 600º F. It is highly resistant to corrosion by neutral and alkaline salt solutions. Nickel 200 also has low corrosion rates in neutral and distilled water. The metal can be hot formed to any shape and formed cold by all methods. 

ASTM / ASME SB 127UNS N04400 (MONEL 400 )

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. Monel 400® can be used in temperatures up to 1000 ºF. The alloy has great mechanical properties at subzero temperatures. 

ASTM / ASME SB 424 UNS N08825 (INCONEL 825)

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, such as pitting, crevice corrosion, intergranular corrosion, and stress- corrosion cracking. Incoloy 825® has good mechanical properties from moderately to high temperatures. The hot- working range for Incoloy 825® is 1600 to 2150º F. The material has good weldability by all conventional processes. 

ASTM / ASME SB 168UNS N06600 (INCONEL 600 ) / UNS 6601 ( INCONEL 601 )

Inconel 600® is a standard engineering material and has a great resistance to heat and corrosion. Inconel 600® also has high strength and can be easily formed. Inconel 600® can be hardened and strengthened only by cold work. Inconel 600® can be used in the heat-treating industry for muffles, furnace components, and for heat-treating baskets and trays. 

ASTM / ASME SB 443 UNS N06625 (INCONEL 625)

Inconel® 625 is a nonmagnetic, corrosion and oxidation resistant, nickel-base alloy. It has high strength and toughness in the temperature range cryogenic to 2000°F (1093°C) which is derived largely from the solid solution effects of the refractory metals, columbium and molybdenum, in a nickel-chromium matrix. Alloy 625 has excellent fatigue strength and stress-corrosion cracking resistance to chloride ions. Typical applications for Inconel® 625 have included heat shields, furnace hardware, gas turbine engine ducting, combustion liners and spray bars, chemical plant hardware and special seawater applications. 

ASTM / ASME SB 574 UNS N10276 ( HASTELLOY C 276 )

Hastelloy C-276® is a nickel-molybdenum-chromium alloy with excellent corrosion resistance in severe environments. Hastelloy C-276® is used in pollution control, chemical processing, pulp and paper production, and waste treatment. It is specified in sour gas applications (NACE MR0175) and is commonly used in Flue Gas Desulfurization (FGD) applications for scrubbers, dampers and ducts. 

ASTM / ASME SB 575 UNS N06022

Hastelloy C22® provides resistance to general corrosion, pitting, crevice corrosion, intergranular attack, and stress corrosion cracking. Inconel 22® can be used for many applications such as marine, power, chemical processing, pollution control, paper processing, and waste disposal industries. Hastelloy C22® contains chromium, molybdenum, tungsten, and iron which makes the alloy resistant to corrosion in stagnant or flowing seawater. The alloy is formed by gas tungsten-arc, gas metal-arc, and shielded metal-arc processes. 

ASTM / ASME BSB-688 UNS N08367

UNS N08367 also commonly referred to as AL-6XN® alloy is a nickel-molybdenum alloy with excellent resistance to chloride pitting and crevice corrosion. A UNS N08367 retains high ductility and impact strength. UNS N08367 has been used for seawater heat exchangers, chemical process tanks and pipelines, offshore oil and gas production equipment, seawater heat exchangers.


Titanium Alloy

ASTM B265/ ASME SB-265

Titanium is most often alloyed with molybdenum, manganese, iron, and aluminum. By weight titanium is one of the strongest readily available metals, making it ideal for wide range of practical applications. It is 45% lighter than steel with comparable strength, and twice as strong as aluminum while being only 60% heavier. Titanium is suggested for use in desalinization plants because of its strong resistance to corrosion from sea water. Ti alloys consist of different grades with specific properties. Ti Grade 2 has moderate strength with excellent cold formability, weldability. This titanium also has excellent resistance to high oxidization. Titanium conductivity of heat and electricity is low. Titanium alloys can be employed at temperatures up to app. 400°C.


Stainless Steel

ASTM A240 / ASME SA240

Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications.

Austenitic stainless steels are iron-chromium-nickel alloys which are hardenable only by cold working. Nickel is the main element varied within the alloys of this class while carbon is kept to low levels. The nickel content may be varied from about 4% to 22% - higher values of nickel are added to increase to ductility of the metal. When chromium is increased to raise the corrosion resistance of the metal, nickel must also be increased to maintain the austenitic structure.


These alloys are slightly magnetic in the cold-worked condition, but are essentially non-magnetic in the annealed condition in which they are most often used. The austenitic types feature adaptability to cold forming, ease of welding, high-temperature service, and, in general, the highest corrosion resistance. Following are brief descriptions of some of our most commonly ordered stainless steels: 

Type 304

Alloy 304 (UNS S30400) stainless steel is a variation of the 18% chromium – 8% nickel austenitic alloy, the most familiar and most frequently used alloy in the stainless steel family. This stainless steel alloy may be considered for a wide variety of applications and exhibits good corrosion resistance, ease of fabrication, excellent formability, and high strength with low weight. 

Type 304L

Alloy 304L (UNS S30403) stainless steel plate is a variation of the 18% chromium – 8% nickel austenitic alloy, the most familiar and most frequently used alloy in the stainless steel family. This alloy may be considered for a wide variety of applications and exhibits good corrosion resistance, ease of fabrication, excellent formability, and high strength with low weight. 

Type 316, 316L

Alloys 316 (UNS S31600) and 316L (UNS S31603) are molybdenum-bearing austenitic stainless steels, which are more resistant to general corrosion and pitting/crevice corrosion than the conventional chromium-nickel austenitic stainless steels such as Alloy 304. These alloys also offer higher creep, stress-to-rupture, and tensile strength at elevated temperatures. In addition to excellent corrosion resistance and strength properties, the Alloys 316 and 316L Cr-Ni-Mo alloys also provide excellent fabricability and formability which are typical of the austenitic stainless steels. 

Type 310, 310S

Alloy 310/310S (UNS S31000/S31008) austenitic stainless steel is typically used for elevated temperature applications. Its high chromium and nickel content provides comparable corrosion resistance, superior resistance to oxidation, and the retention of a larger fraction of room temperature strength than the common austenitic Alloy 304. 

Type 347 & 347H

Alloy 347 (S34700) is a stabilized stainless steel which offers as its main advantage an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500°F (427 to 816°C). Alloy 347 is stabilized by the addition of columbium and tantalum.

Alloy 347 stainless steel is also advantageous for high temperature service because of its good mechanical properties. Alloy 347 stainless steel offers higher creep and stress rupture properties than Alloy 304 and, particularly, Alloy 304L, which might also be considered for exposures where sensitization and intergranular corrosion are concerns. 

Type 321

Alloy 321 (UNS S32100) is a stabilized stainless steel which offers as its main advantage an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500°F (427 to 816°C). Alloy 321 stainless steel is stabilized against chromium carbide formation by the addition of titanium.


Alloy 321 stainless steel is also advantageous for high temperature service because of its good mechanical properties. Alloy 321 stainless steel offers higher creep and stress rupture properties than Alloy 304 and, particularly, Alloy 304L, which might also be considered for exposures where sensitization and intergranular corrosion are concerns.


Duplex and Supper Duplex

UNS S31803, S32205, S32550, S32750, S32760

Duplex UNS S31803 F51, Super Duplex UNS S32750 F53, Super Duplex UNS S32760 Duplex stainless steel plate contains relatively high levels of chromium (between 18% and 28%) and low to moderate amounts of nickel (between 1.5% and 8%). The high corrosion resistance and excellent mechanical properties of duplex stainless steels can be attributed to their chemical composition and balanced (duplex) microstructure of approximately equal volume percentages of ferrite and austenite. Alloys 2304 and 2205 are the most common grades. They both exhibit outstanding resistance to chloride stress-corrosion cracking.


"Super" duplex grades have enhanced pitting and crevice corrosion resistance when compared with 300-series austenitic stainless steels or conventional duplex alloys. This can be attributed to the enhanced levels of chromium, molybdenum and nitrogen found in these materials. Alloy 2507 is the most common "super" duplex grade.