20# Seamless Cold-Rolled Precision Steel, Round Steel Tube

Product Details
Customization: Available
After-sales Service: Warranty
Warranty: 10year
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  • 20# Seamless Cold-Rolled Precision Steel, Round Steel Tube
  • 20# Seamless Cold-Rolled Precision Steel, Round Steel Tube
  • 20# Seamless Cold-Rolled Precision Steel, Round Steel Tube
  • 20# Seamless Cold-Rolled Precision Steel, Round Steel Tube
  • 20# Seamless Cold-Rolled Precision Steel, Round Steel Tube
  • 20# Seamless Cold-Rolled Precision Steel, Round Steel Tube
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  • Overview
  • Packing and transportation
  • Company introduction
  • Customer visits and orders
Overview

Basic Info.

Model NO.
OD: 15-260mm
Technique
Cold Rolled
Material
Carbon Steel
Surface Treatment
Polished
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Mining, Construction & Decoration, Special Purpose
Section Shape
Oval
Raw Material
10# 20# 35# 45# 20cr 40cr 20crmn 304 201 310S
Production Process
Cold Rolled / Cold Drawn
Surface
Bright
Standard
GB/T3639-2018
Pipe Type
Seamless Pipes
Diameter
15mm-260mm
Wall Thickness
1.0mm-30mm
Application
Manufacture of Precision Mechanical Parts and Engi
MOQ
1 Ton
Shape
Round
Price Term
CIF CFR Fob Ex-Work
Steel Grade
Q195 Q235
Brand
Hanbang
Tolerance
+/-1%
Outer Diameter
10mm-250mm
Transport Package
Standard Airworthy Packaging
Specification
10mm-260mm diameter
Trademark
Shandong Hanbang
Origin
China
HS Code
730431900
Production Capacity
50000ton/Year

Product Description

20# Seamless Cold-Rolled Precision Steel, Round Steel Tube
Detailed Photos
 

Product Name
Precision  Steel Pipe

Technique
Hot Rolled/Cold Rolled/Cold Drawn

Material
10#,20#,35#,45#,Q345B 20cr,40Cr,20CrMo 6mn 27simn 304 201 310S etc.

Standard
ASTM A106 ASTM A53 ASTM A179 ASTM A210 ASTM A213 GB/T3639 DIN 2448 DIN1629 DIN1626 DIN2391 DIN2444 EN10025etc.

Outside Diameter
10mm-1020mm or as your request

Thickness
2mm-80mm or as your request

Length
Single random length/double random length 5m-14m 2-12m

Application
Oil pipe line, Drill pipe, Hydraulic pipe, Gas pipe, Fluid pipe,Boiler pipe,Conduit pipe, Scaffolding pipe pharmaceutical and ship building etc.
20# Seamless Cold-Rolled Precision Steel, Round Steel Tube

Chemical composition(%) of precision pipe's commin grade
Standard Grade C Si Mn s p Cr
GB/T 699
GB/T 3639
GB3077
GB/T1591
GB/T 8163-2018
10# 0.07~0.13 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035 \
20# 0.17~0.23 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035 \
35# 0.32~0.39 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035 \
45# 0.42~0.50 0.17~0.37 0.50~0.80 ≤0.035 ≤0.035 \
40Cr 0.37~0.44 0.17~0.37 0.50~0.80 ≤0.035 ≤0.035 0.08~1.10
25Mn 0.22~0.29 0.17~0.37 0.70~1.00 ≤0.035 ≤0.035 ≤0.25
Q345B ≤0.20 ≤o.50 ≤1.7 ≤0.035 ≤0.035 ≤0.3
37Mn5 0.30~0.39 0.15~0.30 1.20~1.50 ≤0.015 ≤0.020 \

Conventional mechanical properties of precision pipe
Standard Grade Delivery Conditions
BK(hard) BKW(soft)
Tensil Stength(MPa) Make percentage elongation(%) Tensile stength(MPa) Make percentage elongation(%)
GB/T 3639
GB 3077
20# ≥550 ≥10 ≥490 ≥15
25Mn ≥600 ≥12 ≥540 ≥15
Q345B ≥620 ≥12 ≥550 ≥15
45# ≥645 ≥8 ≥625 ≥15
40Cr ≥784 ≥14 \ \
37Mn5 ≥784 ≥14 \ \

20# Seamless Cold-Rolled Precision Steel, Round Steel Tube
Dimensional tolerances of inner diameter
 
Standard Inner Diameter(mm) Inner Diameter Deviation(mm)
GB1801-79 H7 H8 H9 H10
30 0~+21 0~+33 0~+52 0~+84
30-50 0~+25 0~+39 0~+62 0~+100
50-80 0~+30 0~+46 0~+74 0~+120
80-120 0~+35 0~+54 0~+87 0~+140
120-180 0~+40 0~+63 0~+100 0~+160
180-250 0~+46 0~+72 0~+115 0~+185
250-315 0~+52 0~+81 0~+170 0~+210
315-400 0~+57 0~+89 0~+140 0~+230
 
 
20# Seamless Cold-Rolled Precision Steel, Round Steel Tube
 
 
Packing and transportation

   1. wood pallet packing cover with water-proof paper
    2. steel pallet packing cover with water-proof paper
    3. wood box packing
    4. steel pallet packing cover with steel box
    5. in bundles with steel strip no extra packing
    6. packaged as customers' requirments.

20# Seamless Cold-Rolled Precision Steel, Round Steel Tube20# Seamless Cold-Rolled Precision Steel, Round Steel Tube

Company introduction

20# Seamless Cold-Rolled Precision Steel, Round Steel TubeShandong Hanbang Materials Co., Ltd.was founded in 2011 and mainly produces seamless steel pipes.  In recent years, while retaining the advantages of seamless steel pipes, it has added comprehensive industrial companies with automobile radiators, intercoolers and industrial heat exchange radiators as the main body according to the advantages of the region.  The company is located in Liaocheng City, Shandong Province, with convenient transportation and high-speed railways running through the whole territory.

20# Seamless Cold-Rolled Precision Steel, Round Steel TubeSince its establishment, the company has been committed to producing various high-quality products of automobile radiators, intercoolers, industrial radiators and precision seamless steel pipes. It has now become a supplier integrating R&D, production, sales and service.

20# Seamless Cold-Rolled Precision Steel, Round Steel Tube

The company has advanced production and testing equipment and is the most competitive manufacturer of radiators, heat exchangers and seamless steel pipes. It has strong technical force, complete testing equipment and a perfect quality assurance system.
20# Seamless Cold-Rolled Precision Steel, Round Steel Tube
The company adheres to the principle of "taking customers as the center and providing customers with satisfactory products".   It is committed to continuously strengthening quality management, improving and improving product quality.   The products are exported to North America, South America, the Middle East, Europe, Africa and other countries, and are well received by customers.
20# Seamless Cold-Rolled Precision Steel, Round Steel Tube


In addition, our company has been in business for many years and has a variety of product procurement resources and partners.   We can provide one-stop service to customers around the world and help purchase all kinds of steel pipes, aluminum products, colored stone tiles and other required products.
20# Seamless Cold-Rolled Precision Steel, Round Steel Tube
Customer visits and orders

20# Seamless Cold-Rolled Precision Steel, Round Steel Tube
20# Seamless Cold-Rolled Precision Steel, Round Steel Tube

 

FAQ

1. Q: Are you a manufacturer?
A:Yes, we are manufacturers. We have our own factory and our own company. I believe we will be the
most suitable supplier for you.

2. Q: Can we visit your factory?
A: Sure, we welcome you to visit our factory , check our production lines and know more about our strength and quality.

3. Q: Do you have quality control system?
A: Yes, we have ISO, BV, MTC, certifications and our own quality control laboratory.Third party testing services are also available.

4. Q: Can you arrange the shipment for us?
A: Yes, we have designated sea freight and railway freight forwarders with decades of experiences and we get the best price with earlist vessel and professional service.

5. Q: How long is your delivery time?
A: Generally it is 7days if we have the exact goods in our stock. If not, it will take around 15-20 days to get goods ready for delivery.

6. Q: Can I get some samples?
A: We are glad to provide free samples to you, but we do not offer the freight.

7. Q: What is your after-sale service?
A: We provide after-sale service and offer 100% guarantee on our products.

8. Q: What is your MOQ?
A: 1Ton

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