steel pipe professional manufacturer supplied by CNBM

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Loading Port:
China main port
Payment Terms:
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:Billet rolling temperature
Cold rolling is not consideredThe temperature at which the billet begins to roll (surface) is generally 1000-1150 degrees
Q:Billet market trend
1, domestic crude steel production remains highAlthough the recent domestic steel market has been relatively low, and the loss of steel mills win less, but this does not seem to affect the enthusiasm of steel production. According to the China Steel Association statistics show that: in early April, the daily output of crude steel in key enterprises in China was 1 million 697 thousand and 300 tons, and the average daily output of crude steel in China was estimated at 2 million 123 thousand and 900 tons. And in mid April, crude steel daily output of ten days, although there has been a drop back, but still at a high level. According to statistics, in mid April, the average daily output of crude steel in key enterprises nationwide was 1 million 689 thousand and 100 tons, and the average daily output of crude steel in China was estimated at 2 million 115 thousand and 800 tons. Such a large production and sluggish demand in stark contrast, which is a drag on steel prices down one of the important factors.
Q:How to purchase suitable billet heating furnace
Billet heating furnace manufacturers are many, the procurement of cost-effective equipment is the user's best choice.
Q:What are the common defects in billet? What's the cause?
4. Tungsten inclusion;Six, arc scratch and heat crack and overlap: 1:Two reheat cracks 3 cracks
Q:The form of carbon in carbon steels
The solubility of carbon content when the iron carbon alloy than in the iron when the excess carbon can be in the form of carbide iron or elemental state (graphite) in alloy, which can form a series of carbide, Fe3C (cementite, 6.69%C) is a metastable phase, it is a compound complex structure gap. Graphite is a stable phase of iron carbon alloy with simple six - party structure. Fe3C has the potential to break down into iron and graphite stable phases, but the process is extremely slow at room temperature.
Q:How do steel billets come out?
Three, steel rolling:Rolling steel or continuous casting billet into various steels by rolling mill
Q:Fish pole carbon cloth tcf. Vcf. Svf. Hcf. On behalf of what?
Carbon cloth classification, a semicolon after the term, usually called HVF and SVF, where SVF is divided into VCF and so on! The index of carbon fiber is T (ton), common carbon part is 20T-30T commonly. HVF is 30T-40T, SVF is 40T-60T. SVF lighter than HVF, higher strength, better elasticity of the material of products: Di 46T SVF meaning 60T ultra high strength and high modulus carbon fiber cloth, HVF carbon fiber reinforced 30T 40T strength and high modulus. But the domestic ordinary carbon fishing rod material is generally 24T carbon fiber cloth. The higher the T value, the higher the strength and elasticity of the material.
Q:Charcoal is how to
Usually we measure the quality of charcoal mainly from the moisture content, volatile content, ash content, fixed carbon content and calorific value of charcoalTake it, thanks!!
Q:What is the active carbon. What is the difference with the charcoal?
The chemical activation method. The activator of discharged gas, or by activating agent impregnated material, after the high temperature treatment can be activated carbon. The activated carbon has a microcrystalline structure, crystallite alignment completely irregular. The micro crystal (radius of less than 20, a: = 10-10 m), transition hole (radius 20 ~ 1000), big hole (radius of 1000 ~ 100000), so it has great inner surface, the surface area of 500 to 1700 meters / 2 grams.
Q:What is the difference between steel and billet in the process?
Square is a square steel hollow, with iron produced; but it is a square steel billet is generally solid, forging or casting molding.

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