Carbon steel tube/pipe

20#/35#/45# Carbon steel pipe/tube

Carbon steel pipes are made by piercing steel ingots or solid round steel into capillary tubes, which are then hot-rolled, cold-rolled or cold-rolled. Carbon steel pipes play an important role in China's steel pipe industry.
PRODUCT DESCRIPTION
Parameter
Chemical Composition
Mechanical Properties
Product NameSeamless Carbon Steel Pipe
Material

A53, ST33, A283, A135, ST37, A53, A106, ST35

, A179, A214, A192, A226, A315, ST42, A106-B

Outside8~100mm
Wall Thickness2mm~15mm
Unit Length3m, 5.8m, 6m, 11.8m, 12m, 13.5m or as per customers' request
Surface

Bare surface, varnish painting, galvanizing,

 other painting as per customers' request

Price TermsFOB, CRF, CIF, EXW all acceptable
Delivery DetailInventory about 5-7; custom-made 25-30
GradeCSiMnPSCuCrNi
20#0.17-0.230.17-0.370.35-0.650.0350.0350.250.020.3
35#0.27-0.340.17-0.370.50-0.800.0350.0350.250.02≤0.3
45#0.42-0.500.17-0.370.50-0.800.0350.0350.250.020.3
Carbon content (wt.%)MicrostructurePropertiesExamples
Low-carbon steel< 0.25Ferrite, pearlite

Low hardness and cost. High ductility, 

toughness, machinability and weldability

AISI 304, ASTM A815, AISI 316L
Medium-carbon steel0.25 – 0.60Martensite

Low hardenability, medium strength,

 ductility and toughness

AISI 409, ASTM A29, SCM435
High-carbon steel0.60 – 1.25PearliteHigh hardness, strength, low ductilityAISI 440C, EN 10088-3

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PACKAGING & DELIVERY

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INTRODUCTION

We specialize in producing stainless steel products, carbon steel products, copper products, aluminum products, galvanized products, galvanized aluminum products, etc. Especially stainless steel rods, stainless steel plates, seamless steel pipes, and stainless steel coils. Our products are resistant to corrosion and high temperatures. We will provide you with high quality, low price, and first-class service, hoping to become your gold supplier. We cooperate with many countries, including Asia, Europe, the Middle East, Africa, North America, South America, and so on.

FAQ

Q1:Do you provide samples? Is it free or extra?
A1:Yes, we can provide samples free of charge and the customer will pay the freight.
Q2:What if I don't have export experience ?
A2:We have reliable forwarder agent which can ship items to you by sea/air/Express to your doorstep. Any way, we will help you choose the most suitable shipping service.
Q3:How long is your lead time?
A3:If it is in stock, it is usually 5-10 days. Or, if there is no inventory, 15 days, depending on the quantity.
Q4:What are your terms of payment?
A4:30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100%.Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L 30-120 days, O/A.
Q5:How is your technical support?
A5:We provide lifetime online support through Whatsapp/ Skype/ Wechat/ Email. Any problem after delivery, we will offer you call anytime.

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