steel pipe professional manufacturer supplied by CNBM

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China main port
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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

Random Length: 

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


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.

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

 hot-dip galvanized etc.


By bundles, plastic caps or steel caps, woven, 

wooden cases or as requirement.

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:Can the production of continuous casting billet be damaged by using intermediate frequency electric furnace?
If there are no other major facts of harm, it seems that there is no such mandatory legal provisions to bear criminal responsibility. Mandatory closing and fines at most.
Q:Billet heating furnace billet temperature reached, steel will be adhesion
There are a lot of billet heating furnace manufacturers, not just look at the price and go blind choice, billet heating furnace selection properly, will directly affect the day after work is carried out properly, choose cost-effective equipment is the first choice for users, recommended to look at the video consultation.
Q:If the casting speed is not steady, what will happen to the billet?
Secondly, the speed of cutting is unstable, and the cut rate will be reduced.
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:What is the difference between continuous casting billet and cast billet?
but with high-grade continuous casting line (full protection casting, electromagnetic stirring, liquid stopper control) compared both have a big difference in the crystal, oxidation, surface quality.
Q:Which is good for pure iron billet?
Shanghai Xiyuan special steel products Co., Ltd. was founded in 1997 China long-term sales of imported and domestic first-line steel industrial pure iron (iron burden, magnetic iron, electrical iron) of M6 steel, 08F steel, 91F steel and other special steel products, special specifications according to user needs production organization, reasonable price, quality optimization.
Q:Billet prices skyrocketing weekend, Southern China steel prices rose?
In December 5th, the billet price in Hebei was 2780 yuan per ton, a new high since two years and three months, a rise of more than 85% over the same period of last year.
Q:The role of carbon content in steels
Therefore, the carbon content determines the use of steel: low carbon steel (carbon content < 0.25%), commonly used as extrusion and stamping materials; carbon steel (carbon content < 0.6%), commonly used as mechanical parts; high carbon steel (carbon content > 0.7%), commonly used tools, tool and mould etc..
Q:Who knows that the steel bar is always on the one side,
Do not worry, you can go to the hospital to check
Q:What is the drop per minute of the billet temperature at 850?
Cold rolling is not considered. The initial rolling temperature (surface) of the billet is generally 1000-1150 degrees. 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

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