ERW grooved pipes with ASTM and BS standard

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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




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Q:How much is the tube?
The first prerequisite we need to determine is: what are the specifications of the steel pipe mentioned? Such as the commonly used steel pipe specifications: diameter 108*4.5, diameter 219*6, diameter 377*10, diameter and wall thickness of steel pipe with different specifications, different weight, so the steel price per meter is different.
Q:Is the same specification seamless steel pipe more expensive than welded pipe?
Specifications of the same kind of seamless steel pipe than welded pipe prices are generally about 30% high, large diameter difference is greater.
Q:What is the meaning of "DN" and "Phi" in the dimensioning of steel pipe diameter and how to apply the mark?
DN represents the path of the tube". Fair represents diameter. Path is the diameter of the fluid through which it should be inside. The diameter may be the outer diameter or the inner diameter. The diameter is only used when the pipe is used for flow through. Fair as long as the garden can be used. According to the requirements of mechanical drawing fair, DN text notes.
Q:What is the outer diameter and wall thickness of DN40 steel pipe?
DN40 pipe diameter 48.3mm diameter, allowable deviation of plus or minus 0.5mm it depends on what you have, the outside diameter of 45, there are other dimensions, you can see the manual
Q:Is steel pipe made of profiles?
According to the shape of the cross-section, the steel is generally divided into profiles, plates, pipes and metal products in four categories.Therefore, the steel pipe belongs to the pipe, not the profile.
Q:What's the difference between the fastener type steel pipe scaffold, the floor type steel pipe scaffold and the overhanging type steel pipe scaffold?
Classification is not the only way, fastener type steel pipe scaffolding is divided by force, and the latter 2 are classified according to the structure.
Q:Theoretical weight of 25*25*1.5 square steel tubes
Theoretical weight can be directly from the steel tube under the table look up, you can also press type calculation:Weight per meter =4x, wall thickness x (side length - wall thickness) x0.00785. The length of the square tube and the wall thickness are in millimeters, and the weight of each square meter is in kilograms.
Q:What is the outer diameter of the steel tube?
The diameter of a steel pipe refers to the diameter of the steel pipe. The specifications of the steel tube is normal with diameter (diameter and thickness) said, for example 100MM outer diameter and wall thickness of 5MM tube is marked with 100*5.
Q:How to make the steel pipe spray paint is not easy to fall off?
First you will rust steel, to clean, good quality alkyd rustproof paint, completely dry after brushing paint, color to see his kind of love.
Q:What's the difference between stainless steel seamless tube and stainless steel welded pipe?
Stainless steel seamless pipe featuresFirst, the product of the wall is thicker, it is more economical and practical, the wall thickness of the thinner, processing costs will be substantially increased it; secondly, the product process to determine its performance limitations, generally low precision seamless steel pipe: uneven thickness, tube inner surface brightness low and high cost of fixed length, and the inner surface pitting and black spots difficult to remove; the detection and plastic third, must be processed offline. Therefore, it has its advantages in high pressure, high strength, mechanical structure and timber.

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