steel pipe professional manufacturer supplied by CNBM

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Loading Port:
China main port
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TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
2000 m.t./month
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Product Description:

Packaging & Delivery

Packaging Details:bundles
Delivery Detail:15-30 days

Carbon Steel Seamless Pipes
OD10mm-610mm(1/8”-24”)
WT2mm-60mm
Length

Random Length: 

3.5m-12m, or fixed length 5.8m or as the customer’s requirement.

Standard

ASTM A53, ASTM A106, API 5L, DIN 17175, 

GOST8731/8732, G3457/G3452 etc.

MaterialQ235B, 10#,20#,45#, 16Mn, 15MnV.

A53B, A106B, API5L B, A192, A179C, A213-T12, A213-T22, 

A335-P1, A335-P2, A333

ST37, ST33, ST37-2, ST35.8 ST52 etc.
CertificateAPI certificate and ISO certificate.
Surface

Rust remove, black painting, antirust oil, varnish, 3PE,

 hot-dip galvanized etc.

Package

By bundles, plastic caps or steel caps, woven, 

wooden cases or as requirement.

Capability6000tons/month.
EndBE/PE.
AdvantageBig diameter and thick wall pipes.
Best price with good quality.
The partner you can trust.
Good service and very patient.
steel pipe professional manufacturer supplied by CNBM


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Q:What is the drop per minute of the billet temperature at 850?
Generally, the temperature decreases gradually during the rolling process (a small section of high speed wire has a temperature rising process), usually above 750 degrees
Q:What are the causes of internal cracks in continuous casting billet?
The test according to the process of the sample for cooling, in order to study the effects of the three elements of the internal crack of continuous casting billet hot.
Q:Billet market trend
3, Tangshan billet inventory declineIt is understood that in April, the Tangshan region began to decline in the stock of major steel warehouse, as of April 28th, Tangshan billet inventory at about 1 million 250 thousand tons, a drop of about half higher than the high point. But some vendors have revealed that some of the resources are being transferred from the warehouse to the traders. In fact, inventories are much larger than statistics, and the inventory of 1 million 250 thousand tons of steel is about 2.5 times that of the same period of last year.In addition, network analyst China industry insight believes the macroeconomic situation, the weakening of steel and steel industry more negative news of the credit crisis will be unfavorable to the billet market outlook. But considering the steel production has been at a loss, the billet has a certain resilience; and before the May Day holiday billet prices fell rapidly, it is possible to pull up the opportunity to play after the manufacturers in a certain way.
Q:Are billet metals within the metal range?
Ah, metal materials, ferrous metals, color metals, two kinds of billets belong to ferrous metals, copper and copper alloys, aluminum and aluminum alloys, belonging to color metal
Q:What do you mean by adding carbon to a table tennis racket?
What a professional? I don't know what is known but with carbon carbon line take this hit the ball the more comfortable to take shape
Q:Is the reaction of carbon and carbon dioxide a redox reaction?
The reaction of carbon and carbon dioxide is redox reaction.Turn left and turn right |Oxidation reduction reaction is a kind of reaction that changes the number of oxidation of elements before and after chemical reaction. The essence of redox reaction is the gain or loss of electrons or the offset of common electron pairs. The oxidation number of the element changes before and after the redox reaction.
Q:Billet heating furnace prices?
The reheating furnace control mode according to the different tonnage, heating medium, price range, or recommendations according to your requirements, find good few industry units do offer the program, compared to eradicate the solution and quotation.
Q:What is the active carbon. What is the difference with the charcoal?
Activated carbon activated carbon after activation of the solid carbon black porous. A general powder, granular or pellet, carbon as a main component, also containing a small amount of oxygen, hydrogen, nitrogen, sulfur and chlorine. The early production of activated carbon as raw materials for wood, hard shell or animal bone, later used by coal production method a: the steam and gas activation method. The use of water vapor or carbon dioxide at 850 ~ 900 C carbon activation.
Q:The form of carbon in carbon steels
There are three solid solutions of carbon in iron: alpha solid solution (Tie Suti), gamma solid solution (austenite) and delta solid solution (8 ferrite). The spatial distribution of iron atoms in these solid solutions is consistent with that of alpha -Fe, gamma -Fe and delta -Fe. The size of carbon atoms is much smaller than that of iron atoms.
Q:What are the common defects in billet? What's the cause?
Three, radiographic inspection, surface defects; 3, 2, other defects, not welded and welded, undercut;Three, cold crack and fluorescence test;Four common welding defects are: 1; 4; 2:A;

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