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ASTM A53 Seamless Square Tube

Rectangular pipe is a name for square pipe and rectangular pipe, that is, steel pipes with equal and unequal side lengths. It is made of strip steel after process treatment. Generally, the strip steel is unpacked, flattened, crimped, welded to form a round tube, and then rolled into a square tube from the round tube and then cut to the required length.

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PRODUCT DESCRIPTION

Also known as square and rectangular cold-formed hollow section steel, referred to as square tube and rectangular tube, the codes are F and J1 respectively. The allowable deviation of the wall thickness of the square rectangular tube shall not exceed plus or minus 10% of the nominal wall thickness when the wall thickness is not greater than 10mm. , when the wall thickness is greater than 10mm, it is plus or minus 8% of the wall thickness, except for the wall thickness of the corner and weld area. 2. The usual delivery length of square and rectangular tubes is 4000mm-12000mm, mostly 6000mm and 12000mm. Rectangular tubes are allowed to deliver short-length and non-cut-to-length products not less than 2000mm, and can also be delivered in the form of mouthpieces, but the buyer should cut off the mouthpieces when using them. The weight of short-length and non-cut-to-length products shall not exceed 5% of the total delivery volume, and the weight of square and rectangular pipes with a theoretical weight greater than 20kg/m shall not exceed 10% of the total delivery volume

Carbon steel pipe
Section Shape	Round
Tolerance	±1%
Alloy Or Not	Non-Alloy
Thickness	1 - 60 mm
MOQ	5Ton
Length:	Client Requirement
Standard:	API, ASTM, GB, API 5L, API 5DP, ASTM A182-2001, ANSI A213M-2001,
Surface treatment	Black/Peeling/Polishing/Machined
Technique	cold rolled/drawn
Heat Treatment	Annealed; Quenched; Tempered
price terms	FOB,CRF,CIF,EXW all acceptable
Delivery Detail	inventory About 3-5； custom-made 10-15；rding to order's quantity.
Loading port	any port in China
Packing	standard export packing (inside:water proof paper,outside:steel covered with strips and pallets)
Payment Terms	T/T, L/C at sight,West Union,D/P,D/A,Paypal
Container size	20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)
	40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)
	40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High)

Classification

product name	Spot material	Executive standard	Spot Specifications	Applications
Alloy tube	12Cr1MoVG12CrMoG15CrMoG12Cr2MoCr5MoCr 9Mo10Cr9Mo1VNb15NiCuMoNb512Cr2MoWVTiB	GB5310-1995GB6479-2000GB9948-2006DIN17175-79ASTM SA335ASTM SA213JISG3467-88JISG3458-88	∮8-1240*1-200	It is suitable for seamless steel pipes for high temperature resistance, low temperature resistance and corrosion resistance in petroleum, chemical industry, electric power and boiler industries
stainless steel pipe	0Cr18Ni9<304>00Cr19Ni10<304L>00Cr25Ni20<310S>0Cr17Ni12Mo 2<316>00Cr17Ni14Mo2<316L>1Cr18Ni9Ti<321>0Cr18Ni10Ti0Cr18Ni11Nb<347>	GB/T14975-2002GB/T14976-2002GB13296-2007ASTM A213ASTM A269ASTM A312JIS G3459DIN 17458	∮6-630*0.5-60	Suitable for petroleum, aviation, smelting, food, water conservancy, electric power, chemical industry, chemical, chemical fiber, medical machinery and other industries
Cryogenic tube	16MnDG、10MnDG、09DG09Mn2VDG、06Ni3MoDGASTM A333Grade1ASTM A333Grade3ASTM A333Grade4ASTM A333Grade6ASTM A333Grade7ASTM A333Grade8ASTM A333Grade9ASTM A333Grade10ASTM A333Grade11	GB/T18984-2003ASTM A333	∮8-1240*1-200	Suitable for -45℃～-195℃ low-temperature pressure vessel pipes and seamless steel pipes for low-temperature heat exchanger pipes
High pressure boiler tube	20GASTM SA106B/CASTM SA210A/CST45.8-III	GB5310-1995ASTM SA106ASTM SA210DIN17175-79	∮8-1240*1-200	Suitable for manufacturing high-pressure boiler heating tubes, headers, steam pipes, etc.
High pressure fertilizer pipe	102016Mn	GB6479-2000	∮8-1240*1-200	High pressure fertilizer pipe
Petroleum cracking tube	1020	GB9948-2006	∮8-630*1-60	Furnace tubes, heat exchanger tubes and pipes for petroleum refineries
Low and medium pressure boiler tube	10#20#16Mn	GB3087-2008	∮8-1240*1-200	Suitable for manufacturing low-pressure and medium-pressure boilers and locomotive boilers of various structures
Fluid delivery tube	10#、20#ASTM A106A,B,C、A53A,B16Mn	GB/T8163-2008ASTM A106ASTM A53	∮8-1240*1-200	General seamless steel pipes suitable for conveying fluids
General structural pipe	10#、20#、45#、27SiMnASTM A53A,B16Mn	GB/T8162-2008GB/T17396-1998ASTM A53	∮8-1240*1-200	Suitable for general structures, engineering supports, machining, etc.
Oil Casing	J55、K55、N80、L80C90、C95、P110	API SPEC 5CTISO11960	∮60.23-508.00*4.24-16.13	Tubing is used in oil wells to extract oil or natural gas Casing is used as the well wall of oil and gas wells
Line pipe	A、B、X42、X46、X52、X56、X60、X65、X70、X80L245、L290、L360、L415、L450	API SPEC 5LGB/T9711.1GB/T9711.2	∮32-1240*3-100	Oxygen, water and oil delivery pipes used in oil and gas industry
straight seam steel pipe	20、Q195、Q215A,BQ235A,B、Q345A,B,C,D,E	GB/T13793-1992GB3091-2001	∮32-630*1-30	Suitable for general structural support, low-pressure fluid delivery, etc.
Spiral steel pipe	Q235A-B、Q345A-E	SY/T5037-2000	219-2820*4-20	Suitable for steel pipes for low-pressure fluid transmission

PRODUCT DISPLAY

FAQ

Contact Channels:
You can reach us through email and fax. These communication channels are checked regularly within 24 hours. In addition, we are available on Skype, WeChat, and WhatsApp around the clock, ensuring quick response times.

Provide Information: When reaching out, please furnish us with your specific requirements and order details. Include the specifications such as steel grade, size, quantity, and destination port. The more comprehensive your information, the better we can tailor our quote to your needs.

Swift Response:
Once we receive your request and details, we will work diligently to provide you with the best price possible in a timely manner.

Quality Assurance:
Mill Test Certificate: A Mill Test Certificate is provided with your shipment to guarantee the quality of our products.
Third Party Inspection:
If required, Third Party Inspection or SGS inspection can be arranged to further assure quality.
Minimum Order Quantity (MOQ):
We are committed to supporting your needs, even if your initial order is small. Whether it's 1 piece or 1 kg, we are here to facilitate your trial order, building a foundation for future cooperation.
Customization:
Yes, customization is possible according to your specific requests. We are dedicated to tailoring our products to match your requirements.
Delivery Terms:
We offer a variety of delivery terms to suit your preferences: EXW, FOB, CIF, CFR, DDU.
Payment Terms:
Payment terms include a 30% TT (Telegraphic Transfer) deposit, with the remaining 70% TT before delivery. Alternatively, we also accept payment via L/C (Letter of Credit) at sight. Prior to balance payment, we will provide you with photos of the products and packaging for your approval.
Your satisfaction and confidence are of utmost importance to us. We are here to provide you with a seamless experience, delivering top-quality products and excellent service. Feel free to get in touch with us anytime for further assistance or inquiries.

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