Q275 / SS Grade / SS 490 / S2751R(1.0044) Carbon Steel Tube/Pipe

Q275 / SS Grade / SS 490 / S2751R(1.0044) Carbon Steel Tube/Pipe
Carbon steel seamless steel pipe is a kind of long steel with it. Steel pipes have a hollow section and are widely used as pipelines for transporting fluids, such as pipelines for transporting oil, natural gas, gas, water and some solid materials.
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Overview

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

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Chemical Composition

GradeCSiMnPSCuCrNi
Cor-ten A0.120.25-0.750.20-0.500.01-0.20.030.25-0.550.5-1.250.65
Cor-ten B0.160.3-0.50.8-1.250.030.030.25-0.400.4-0.65≤0.4
SPA-H0.120.2-0.750.600.07-0.150.0350.25-0.550.3-1.250.65
9CuPCrNi-A0.120.2-0.750.20-0.500.07-0.150.0400.25-0.550.3-1.250.65
Q235NH0.130.10-0.400.20-0.600.030.0300.25-0.550.40-0.800.65
Q295NH0.150.10-0.500.30-1.000.030.0300.25-0.550.40-0.800.65
Q355NH0.160.50.50-1.500.030.0300.25-0.550.40-0.800.65
Q415NH0.120.651.100.0250.0300.20-0.550.30-1.250.12-0.65
Q460NH0.120.651.500.0250.0300.20-0.550.30-1.250.12-0.65
Q500NH0.120.652.00.0250.0300.20-0.550.30-1.250.12-0.65
Q550NH0.120.652.00.0250.0300.20-0.550.30-1.250.12-0.65
Q265GNH0.120.10-0.400.20-0.500.07-0.120.0200.2-0.450.30-0.650.25-0.50
Q295GNH0.120.10-0.400.20-0.500.07-0.120.0200.25-0.450.30-0.650.25-0.50
Q310GNH0.120.25-0.750.20-0.500.07-0.120.0200.25-0.550.30-1.250.65
Q355GNH0.120.20-0.751.000.07-0.150.0200.25-0.550.30-1.250.65
Q345GNHL0.120.25-0.750.20-0.500.07-0.150.0350.25-0.550.30-0.650.65
Q295GQR20.120.10-0.400.20-0.500.06-0.120.0200.25-0.450.30-0.650.25-0.5
Q295GQR30.120.20-0.400.25-0.550.06-0.120.0200.25-0.50------
Q345NQR20.120.25-0.750.20-0.500.06-0.120.0200.25-0.500.3-1.250.12-0.65
Q345NQR30.120.20-0.500.25-0.700.06-0.120.0200.25-0.50------
Q400NQR10.120.751.100.0250.0080.25-0.550.3-1.250.12-0.65
Q450NQR10.120.751.500.0250.0080.25-0.550.3-1.250.12-0.65
Q500NQR10.120.752.000.0250.0080.25-0.550.3-1.250.12-0.65
Q550NQR10.160.752.000.0250.0080.25-0.550.3-1.250.65

Mechanical Properties

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

Equipment

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About us

Our group has been in the steel industry since 2010 and has been exporting "stainless steel products" since 2012, as a stocker of these materials. It established a foreign trade company…

Stainless sheet metal, coiled stainless steel (flat material), round steel, flat steel, angle iron (long material), seamless welded pipe, square and rectangular pipe profile (pipe material),die steels, etc. constitute the general product range, which has been successfully wholesaled and retailed. 

Packaging Shipping

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FAQ

Q1 . Can I have a sample order for products ?
A : Yes , we welcome sample order to test and check quality . Mixed samples are acceptable .


Q2 . What about the lead time ?
A : Sample needs 3-5 days


Q3 . Do you have any MOQ limit for products order ?
A : Low MOQ , 1pcs for sample checking is available


Q4 . How do you ship the goods and how long does it take to arrive ?
A : We usually ship by DHL , UPS , Fedex or TNT . It usually takes 3-5 days to arrive . Airline and seashipping also optional For mass products , ship freight is prefered


Q5 . Is it OK to print my logo on products ?
A : Yes , OEM and ODM are available for us


Q6 : How to ensure the quality ?
A Mill Test Certificate is supplied with shipment . If needed , a Third Party Inspection is acceptable