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Cold Drawn Seamless (CDS) seamless tube and pipe is produced by piercing hot billets and subsequent rolling which reduces their diameter and elongates them. This material is then passed through a die and over a mandrel plug to produce an accurate size and gauge which is the essence of the cold drawing process.
Type | Seamless carbon steel pipe |
Size | Outer Dia:21.3mm-660mm，According to customer requirements |
Wall Thickness:0.5mm-20mm，According to customer requirements | |
Length:1-12m，According to customer requirements | |
Standard | GB12771-91, ASTM A1053/A1053M-06, ASTM A268/A268M-05A, ASTM A269-07，etc |
ASTM A270-03A, ASTM A312/A312M-06, ASTM A358/A358M-05, ASTM A632-04，etc | |
ASTM A789/A789M-05b, ASTM A790/A790M-05b, ASTM A872/A872M-07A，etc | |
Material | 10#,20#,45#,Q235,Q345,Q195,Q215,Q345C,Q345A，etc |
MOQ | 1 TON，Samples available |
Certification | CE，ISO9001,etc |
Payment Terms | T/T, D/A, D/P, L/C, Western Union, MoneyGram,According to customer requirements |
Delivery Time | Within 7 days, According to the quantity ordered by the customer. |
Packing | Standard Seaworthy Package，according to customer requirements |
Application | Medical equipment,Table wares,Construction,Kitchen utensils,Chemical industry，etc |
Material Chemical Composition(%) | ||||||||
Standard | Steel Grade | C | Si | Mn | P | S | Cr | Mo |
ASTM A519 | 4130/30CrMo | 0.28-0.33 | 0.15-0.35 | 0.40-0.60 | ≤0.04 | ≤0.04 | 0.8-1.1 | 0.15-0.25 |
4140/42CrMo | 0.38-0.43 | 0.15-0.35 | 0.75-1 | ≤0.04 | ≤0.04 | 0.8-1.1 | 0.15-0.25 | |
The production and inspection technological process of our company is arranged according to production standards, and we also establishes professional inspection organization which takes charge of the quality inspection of all process from raw material into the company to the final product store up. Inspections including inspection of inside seam,X-ray inspection, hudrostatic test ,visual inspection, and so on. The laboratory also equipped with advanced inspection equipment, such as direct reading spectrometer, digital tensile testing machine, online-ultrasonic test equipment and X-ray inspection equipment. Each inspection process has aresponding engineer to supply guide and technological consult. All the inspect personel has take professional training, so as to ensure the quality of product comply with the standard. Our company establishes quality system according to GB/T1 9001-ISO9001 and API Q1 standard of American Petroleum Institute, and make clear regulations in strictly control and good inspection the management responsibility, quality system, purchasing, control of process, inspection and testing. Our company has passed through GB/T1 9001-ISO9001 quality system certification, and ensure conducted effectively, ensure product quality comply with standard. In the process of inspection, strictly record, carry out the tracing policy of a voice following a pipe, made all the inspection record has good tracing function in all the production process.
we cherish the quality as our life, that professional purchasing team is stationed in the production frontline for QA and prompt delivery. Every product will be quality re-assured and key product’s manufacturing procedures will be monitored wholly from raw materials to delivery. Our Products have been established by the authoritative Third-Party-Test Agency such as SGS, Tuboscope, ACE and so on.
We are happy to answer any questions you have regarding our product lines and services. Please tell us a little more about yourself and we will have someone contact you as soon as possible.
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