Structure Carbon Steel Tube, Building Carbon Steel Pipe 298.5mm 323.9mm 325mm 356mm 410mm 508mm 610mm

• Type: Seamless
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Polished
• Usage: Pipeline Transport, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration
• Section Shape: Round
• Model NO.: carbon
• DIN1629/2448: St37, St44, St52
• Transport Package: Bundles or Loose
• Specification: 12.7-1067mm
• Trademark: luzheng
• Origin: Shandong, China
• HS Code: 73045990
• Production Capacity: 10000tons Per Month

Product Description

Structure Carbon Steel Tube, Building Carbon Steel Pipe 298.5mm 323.9mm 325mm 356mm 410mm 508mm 610mm
 

Chemical Composition(%)
Grade		C	Si		Mn	P		S
St37		≤0.17	-		-	≤0.035		≤0.035
St44		≤0.21	-		-	≤0.035		≤0.035
St52		≤0.22	≤0.55		≤1.60	≤0.035		≤0.035
Mechanical Properties
Grade	Tensile strength(Mpa)			Yield point(Mpa)			Elongation(%)
St37	350-480			≥235			≥25
St44	420-550			≥275			≥21
St52	500-650			≥355			≥21

Note:1,If customer have special request for the tolerance and surface .We can negotiate it.
2,If you have other request for structure purpose,we can discuss it




Company Info:
We are specialized in steel tube and fin tube for more than 10 years and have rich experience. Our factories has professional technicians and engineers, professional testing equipment, rich experience in delivery. We have more than 10 years of cooperative customers.We have four production bases. For usual sizes,we have stock ,so we can make quick delivery.Guarantee the quality and quantity of products, and guarantee the delivery time. The annual steel pipe production is 300000 tons, the annual fin tube production is 2 million meters, and the annual air cooler production is 15000 sets.



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FAQ:
1. Q: I haven't done business with you guys before,how can I trust your company?
    A: Our company has been in  for 6, almost 7 years, which is longer than most  of our fellow suppliers, we've been golden suppliers for years. What's more, we've got quite a lot authority certificates, for example, CE, ISO9001, made in china onsite check certificate. I hope those above will be persuasive enough.
2. Q: What is the minimum order?
    A: Yes, our company mainly deals with wholesale deals, but if you insist buying one piece, or you just need one piece, we would be very likely to make the MOQ as 1 piece for you though.
3. Q: How can I get a sample to check your quality? How long can I get the sample?
    A: After price confirmed, FREE SAMPLE could be provided for your evaluation.
        After you confirm the sample details, the samples will be ready for delivery in 3-7days,and will be sent to you via express and arrive in 3-5days.
4. Q: What payment methods your company accept?
    A: We accept T/T, L/C, Western Union, Paypal.
5. Q: What's the shipment terms and delivery time of your company?
    A: FOB,CFR,CIF,15-60days
6. Q: Do you give any discount ?