ERW grooved pipes with ASTM and BS standard

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Supply Capability:: -

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Specifications

Grooved ends steel pipe,welded steel pipe
Q235,ASTMA53GRB Size:1"-12" Od.
Seamless grooved ends pipe

GROOVED STEEL PIPE

Coated pipe
ERW	Standard	JIS ANSI ASME GB DIN BS API
	Grade	Q235(10#) Q345(16Mn) 20# X42-X65 J55
	Out Diameter	33.4--406mm (1---16 inch)
	Thickness	3--14mm (0.12---3/5 inch)
SSAW	Standard	JIS ANSI ASME GB DIN BS API
	Grade	Q235B Q345(16Mn) A252 GR2,GR3 20# API 5L GRB X42-X100 PSL1,PSL2
	Out Diameter	219--2220mm (8---88 inch)
	Thickness	6--30mm (1/3---4/5 inch)
SEAMLESS	Standard	JIS ANSI ASME GB DIN BS API
	Grade	10# 20# 45# K55 J55 ST37 ST52 X42-X70 Q345(16Mn)
	Out Diameter	139.7--406mm (5-1/2---16 inch)
	Thickness	4--30mm (1-1/2---11/2 inch)
Length		12m or as customers requirement
Manufacture Technique		ERW/SSAW/SEAMLESS
Surface Treatment		varnish coating or as customers requrement
Section Shape		round
Ends		Beveled or square cut, plastic capped
Alloy or not		Non-alloy
Packaging Details		export packing or negotiation
Payment Terms		L/C D/P T/T
Usage		water transport/boiler use/Chemical use/Construction use,Oil and Gas transport,drill water
Delivery Time		within 25 days after sign the contract
Minimum Order Quantity		10 Ton
Supply Ability		2000 Ton/Month

Q: Can steel pipes be galvanized?: Yes, steel pipes can be galvanized. Galvanizing is a process of applying a protective zinc coating to steel or iron to prevent corrosion. The steel pipes are submerged in a bath of molten zinc, which forms a metallurgical bond with the steel, creating a corrosion-resistant coating. Galvanizing is commonly used in various applications, such as plumbing, construction, and outdoor structures, to extend the lifespan of steel pipes and prevent rusting.

Q: Can steel pipes be used for conveying solids?: Yes, steel pipes can be used for conveying solids. Steel pipes are known for their high strength and durability, making them suitable for transporting various solid materials such as ores, coal, grains, and minerals. The smooth interior surface of steel pipes allows for efficient and smooth flow of solids, ensuring effective conveyance over long distances.

Q: Are steel pipes fire resistant?: Yes, steel pipes are considered fire resistant due to their high melting point and ability to withstand extreme heat.

Q: How do steel pipes handle expansion and contraction?: Steel pipes handle expansion and contraction through their inherent flexibility and ability to withstand temperature variations. As steel is a ductile material, it can expand and contract without significant deformation or structural damage. Additionally, the use of expansion joints or loops in piping systems allows for controlled movement and accommodates thermal expansion and contraction effectively.

Q: What are the different types of connections used with steel pipes?: The different types of connections used with steel pipes include threaded connections, welded connections, and flanged connections.

Q: What are the common standards for steel pipe manufacturing?: There are several common standards for steel pipe manufacturing that ensure the quality and consistency of the products. One of the most widely recognized standards is the American Society for Testing and Materials (ASTM) standard, which includes various specifications for different types of steel pipes. These specifications cover dimensions, mechanical properties, and testing requirements. Another common standard is the American National Standards Institute (ANSI) standard, which establishes guidelines for the manufacturing process, material requirements, and performance characteristics of steel pipes. ANSI standards are often used in industrial applications and construction projects. In addition to these, there are international standards such as the International Organization for Standardization (ISO) standard, which provides guidelines for the design, production, and testing of steel pipes. The ISO standard ensures that steel pipes meet global quality and safety standards. Furthermore, specific industries may have their own standards for steel pipe manufacturing. For example, the American Petroleum Institute (API) has developed standards specifically for oil and gas industry applications. These standards, such as API 5L, outline requirements for the manufacturing, testing, and inspection of steel pipes used in the transportation of oil and gas. Overall, these common standards for steel pipe manufacturing help to ensure the quality, reliability, and safety of the products. They provide a standardized framework that manufacturers can follow, enabling customers to have confidence in the performance and durability of the steel pipes they purchase.

Q: How does galvanization protect steel pipes from corrosion?: Galvanization protects steel pipes from corrosion by applying a protective zinc coating on the surface of the pipes. This zinc coating acts as a sacrificial anode, meaning it corrodes first before the steel, effectively preventing rust and corrosion from reaching the underlying steel.

Q: How are steel pipes insulated?: Steel pipes are commonly insulated using a variety of materials such as fiberglass, mineral wool, or foam insulation. These insulating materials are typically wrapped around the steel pipes to prevent heat loss or gain, as well as to protect against corrosion and condensation. Additionally, a vapor barrier may be applied to further enhance the insulation performance.

Q: What are the different surface finishes available for steel pipes?: There are several different surface finishes available for steel pipes, including mill finish, hot-dip galvanized, black oxide, epoxy coating, and powder coating.

Q: How are steel pipes protected against fire?: Steel pipes are protected against fire through various methods such as applying intumescent coatings, using fire-resistant insulation, or encasing them in fire-rated enclosures. These measures help to delay the heat transfer and maintain the structural integrity of the pipes during a fire, allowing them to withstand high temperatures and prevent the spread of fire.

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