ASTM Standard A333 Seamless Pipe Tube

Product Description

A333 Seamless Steel Pipe

ASTM A333 standard for cryogenic seamless steel pipes are carbon steel and alloy steel pipes specifically designed for cryogenic conditions, widely used in petrochemicals, liquefied natural gas (LNG), cryogenic equipment, and cryogenic storage and transportation. This standard covers seamless and welded carbon steel and alloy steel pipes of nominal wall thickness, suitable for cryogenic environments requiring notch toughness and other applications.


PRODUCT DESCRIPTION

A333 Seamless Steel PipeC (max)MnP (max)S (max)SiNi
Gr.1≤0.300.40-1.06≤0.025≤0.0250.40-1.06
Gr.3≤0.190.31-0.64≤0.025≤0.0250.18-0.373.18-3.82
Gr.6≤0.300.29-1.06≤0.025≤0.025≥0.10≤0.40
Gr.8≤0.13≤0.90≤0.025≤0.0250.13-0.328.40-9.60


A core feature of ASTM A333 seamless steel pipes is the mandatory Charpy V-notch impact toughness test, ensuring that the material will not fracture brittlely at low temperatures. According to the standard, at the specified test temperature, the average impact energy of each group of three impact specimens must not be less than 18 joules (13 ft-lbs).

ItemGrade 1Grade 6Grade 3Grade 8Grade 11
Minimum Service Temperature-46°C (-50°F)-46°C (-50°F)-101°C (-150°F)-196°C (-320°F)-46°C (-50°F)
Material TypeCarbon-Manganese SteelCarbon-Manganese Steel (Fine Grain, Fully Killed)3.5% Nickel Steel9% Nickel SteelCarbon-Manganese-Silicon-Niobium Steel
Yield Strength (min)≥ 205 MPa (30 ksi)≥ 240 MPa (35 ksi)≥ 240 MPa (35 ksi)≥ 515 MPa (75 ksi)≥ 240 MPa (35 ksi)
Tensile Strength (min)≥ 415 MPa (60 ksi)≥ 415 MPa (60 ksi)≥ 450 MPa (65 ksi)≥ 690 MPa (100 ksi)≥ 450 MPa (65 ksi)
Impact Absorbed Energy (min)18 J (13 ft-lbs) avg18 J (13 ft-lbs) avg18 J (13 ft-lbs) avg18 J (13 ft-lbs) avg18 J (13 ft-lbs) avg
Typical ApplicationsCold region pipelines, refrigeration systemsMost commonly used grade: LPG storage & transportation, low-temperature process piping, let-down systemsEthylene plants, cryogenic separation equipmentDeep cold service: LNG liquefaction/terminals, air separation unitsGeneral low-temperature applications requiring higher strength


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Company Profile

Shandong Puxin Stainless Steel Co. Ltd. is a sophisticated manufacturer of steel products.  The company is located in Jinan, China's largest stainless steel products base, adjacent to Tianjing.  We focus on the steel industry for nearly 15 years, we have a wide range of stainless steel products, is a long-term engaged in stainless steel wholesale, sales, processing, distribution of professional company.  Other metal products are also available if required by customers.  The annual export volume is about 1 million tons.  We promise that almost all inquiries will be handled within three hours.  
In a short period of time, Shandong Puxin Stainless Steel Co. Ltd. in the eastern stainless steel market and the whole stainless steel industry in Shandong enjoys a high reputation.  Has a large customer base from all over the country, and established a long-term cooperative relationship.  Customers involved in petroleum, chemical machinery, electric power, water treatment equipment, elevators, kitchenware, food machinery, pressure vessels, solar water heaters and other industries.  "Punctuality, integrity, humanized service" has been my company and all the staff always strictly abide by the principle of development.  

 

Main products
We’re the supplier of a wide range of stainless steel products ( ss plate/sheet, ss coil, ss tube/pipe, ss bar/rod of all shapes, channel steel, angel steel and etc),  and other nonferrous metal products. 
Various Standard and non-standard specifications are both available as customers request. All products we provided are strictly in line with the international standards. 
Products of common specification or grades are adequate in stock, please feel free to contact us if you want a quote or more details about the specific products.


Service and commitment:
Service three guarantees: guarantee quality, guarantee time, guarantee quantity.
Service tenet: strong strength, high quality products, low price, first-class service.
Solemn promise: Reply to the trust of the old and new customers with the best products, the best quality, the lowest price and the most perfect service.
Operating principles: customer first, Excellent quality, great variety, and reasonable price.
Shandong Puxin Stainless Steel Co. Ltd.  will serve the majority of users with good reputation, strong strength, high quality products and low price. I would like to express my heartfelt thanks to the old and new friends and customers who have always cared, supported and helped the company! And sincerely hope to establish long-term cooperative relations with them, mutual benefit and common development .

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