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20MnV6 / E470 Low Alloy Round Steel Tubing Seamless Mechanical Steel Pipe

Good quality Cold Drawn Steel Tube for sales
Good quality Cold Drawn Steel Tube for sales
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20MnV6 / E470 Low Alloy Round Steel Tubing Seamless Mechanical Steel Pipe

China 20MnV6 / E470 Low Alloy Round Steel Tubing Seamless Mechanical Steel Pipe supplier
20MnV6 / E470 Low Alloy Round Steel Tubing Seamless Mechanical Steel Pipe supplier 20MnV6 / E470 Low Alloy Round Steel Tubing Seamless Mechanical Steel Pipe supplier 20MnV6 / E470 Low Alloy Round Steel Tubing Seamless Mechanical Steel Pipe supplier 20MnV6 / E470 Low Alloy Round Steel Tubing Seamless Mechanical Steel Pipe supplier

Large Image :  20MnV6 / E470 Low Alloy Round Steel Tubing Seamless Mechanical Steel Pipe

Product Details:

Place of Origin: China
Brand Name: UST
Certification: ISO 9001
Model Number: OD: 6-1200mm; WT: 1-200mm

Payment & Shipping Terms:

Minimum Order Quantity: MOQ: 3 ton
Price: USD 800- 3000/ton
Packaging Details: Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.
Delivery Time: Within 15-35 days
Payment Terms: L/C, T/T, D/A, D/P
Supply Ability: 3000 ton/month
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Detailed Product Description
Usage: Mechanical Tubing Production Technique: Hot Rolled, Cold Drawn, Cold Rolled, Honing.
Quality Standard: AISI, ASTM, BS, DIN, GB, JIS Surface: Black, Smooth Or Bright
Size: OD: 25-1100mm; WT: 2-180mm Marking: Request

20MnV6 / E470 Round Steel Tubing , Mechanical Large Diameter Steel Pipe

 

 

OVERVIEW

 

20MnV6 & E470 are similar grades and are high tensile low alloy carbon-manganese steel which are micro alloyed with vanadium. In E470, 20MnV6 the low carbon content and the vanadium addition allows surface hardening by carburising, carbonitriding or nitriding.

 

20MnV6 Hollow bars or pipes are generally supplied in the black hot rolled condition with a typical tensile strength range of 600-790 Mpa and a high typical yield strength range of 440-570 Mpa.

 

EN 10297-1 Grade 20MnV6 Hollow Bars are low-cost Low Carbon Steel Hollow Bars with 016-022 % carbon content with combination of 130-170 % manganese easy to form and shape .These pipes are manufactured as per EN Specification and commercially referred as cs pipes or ms pipes.

 

EN 10297-1 Grade 20MnV6 specification covers Hollow bars for machining. Pipe will be supplied in 5-7 metre random lengths and varnished to avoid oxidation of the steel when in storage. All pipes are fully certified and traceable with heat numbers hard stamped onto each random length. We can supply cut lengths; long pieces and even bore from forged, machined bar to satisfy your urgent demand.

 

APPLICATIONS

 

Tubular parts for the automotive, oil and gas, construction, general engineering and agricultural industry, such as bushes, hydraulic cylinders, hollow shafts, rings, hollow rolls for conveyors, nuts, gear wheels, shafts, axles, stuffing boxes, spindles, drill jigs, rolls etc.

 

STANDARD SPECIFICATIONS

 

WT

1-200mm

OD

6-1200mm

Length

Max 15 meter

Standard

AISI, ASTM, BS, DIN, GB, JIS

Surface

Black / Galvanised / 3LPE / Turned / Peeled / Grinded / Polished / Anti – Corrosion Oil

Application

Petroleum, chemical industry, electricity, boiler etc

Material

20MnV6

Technique

Hot Rolled, Cold Drawn, Cold Rolled, Honing.

Payment

TT ,L/C, Supplying financial support with usance L/C 180 days after B/L date.

Packing

Standard seaworthy packing or upon request

Certificate

Third Party inspection acceptable. such as SGS, BV etc.

Delivery time

Within 15-35 days

 

TOLERANCE FOR SEAMLESS TUBING

 

I.D tolerance (mm) O.D tolerance (mm) Straightness (mm)
H9-H12 -/+0.5% 0.20-0.80

 

 

Relavent Standard

 

-ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing

-EN 10297-1 Seamless Circular Steel Tubes for Mechanical and General Engineering Purpose

-DIN 2448 Seamless Steel Pipes and Tubes

-JIS G3441 Alloy Steel Tubes for Machine Purpose

 

Related Specifications

  • Europe EN 10294-1
  • France NF A49312 20MV6
  • Germany W.Nr 1.5217 20MV6
  • W.Nr 1.8905 StE 460
  • Great Britain BS4360 GR 55
  • USA UNS K01907 and K12202

 

Chemical Requirements, Composition, %

 

Grade C Si Mn P S V
20MnV6 0.16-0.22 0.10-0.35 1.30-1.60 ≤0.030 ≤0.040 0.08-0.15
20MnV 0.17-0.24 0.17-0.37 1.30-1.60 ≤0.035 ≤0.035 0.07-0.12

 

Mechanical Properties

 

Steel grade

Tensile strength

(Mpa)

Yield strength

(Mpa)

Elongation

(%)

20MnV6 ≥690 ≥500 ≥21

 

20MnV6 / E470 Low Alloy Round Steel Tubing Seamless Mechanical Steel Pipe

 

Surface Hardening Treatments


Carbonitriding

  • Heat to 870 oC - 880 oC in a gaseous media consisting of carbon monoxide/hydrocarbon plus ammonia, hold for sufficient time to develop the required case depth, carbon and nitrogen content, followed by quenching in oil or water as required.
  • Typical case hardness achieved up to Rc 60.Tempering immediately while still hand warm at 150 oC - 200 oC will reduce stresses and improve the toughness of the case.
     

Carburizing

  • Pack, salt or gas carburise at 880 oC - 920 oC, holding for sufficient time to develop the required case depth and carbon content, followed by a suitable heat treatment cycle to optimise case and/or core properties.Typical case hardness achieved up to Rc 63.

Case Hardening

  • Water quench from 760 oC - 780 oC.

Core Refining

  • Oil quench from 870 oC - 880 oC prior to water quench as above.Tempering immediately following water quench at 150 oC -200 oC will reduce stresses and improve toughness of case.

High or Medium Frequency Induction Hardening

  • The black hot rolled surface on 20MnV6 Hollow Bar will first require to be machined sufficiently to remove any decarburised layer otherwise less than satisfactory results will likely be obtained. The feed material can be either in the as supplied condition or pre hardened and tempered for higher core strength.Heat to the austenitic temperature range (870 oC - 925 oC), and required case depth, quench immediately in oil or water as required. Typical case hardness achieved up to Rc 48.Tempering immediately at 150 oC - 200 oC will reduce stress and improve the toughness of the case.
     

Nitriding

  • 20MnV6 either in the as supplied condition, or pre-hardened and tempered for higher core strength will respond successfully to nitriding due to the vanadium content. Typical case hardness achieved up to Rc 55.Nitriding is carried out at 490 oC - 530 oC followed by slow cooling (no quench) reducing the problem of distortion.Parts can therefore be machined to near final size, leaving a grinding tolerance only.If pre-hardened and tempered feedstock is used always ensure that the tempering temperature employed is at least 15oC above the nitriding temperature.

Hardening

  • Heat to 870 oC - 925 oC as required, hold until the temperature is uniform throughout the section, soak 10 - 15 minutes per 25mm of section and quench in oil or water as required.Temper immediately while still hand warm.

Tempering

  • Re heat to 500 oC - 600 oC as required, hold until temperature is uniform throughout the section, soak for 1 hour per 25mm of section. Cool in still air.

Normalizing

  • Heat to 900 oC - 925 oC, hold until temperature is uniform throughout the section, soak for 30 minutes and cool in still air.

Stress Relieving Following Welding

  • Heat the weld area to 550 oC - 650 oC, soak for 30 minutes and cool in still air or furnace.

Notes on Heat Treatment

  • Heating temperatures, rates of heating, cooling and soaking times will vary due to factors such as work piece size/shape, also furnace type employed, quenching medium and workpiece transfer facilities etc.Please consult your heat treater for best results.

Machining

  • 20MnV6 has excellent machinability due to the silicon - calcium treatment and precise control of the sulphur content resulting in an excellent break-up of swarf, increasing feeds and speeds plus an increase in tool life for all machining operations.

20MnV6 / E470 Low Alloy Round Steel Tubing Seamless Mechanical Steel Pipe

 

Our Services

 

What we can offer?

 

-We offer a wide range of steel products in a wide variety of dimensions and executions, according to the common international specifications or customize.

-Machining and heat treatment are available.

-Also, we advise you in choosing the right materials.

 

 

Quality Assurance

 

Below inspection will be done in the production.
(1) ray detection---RT;
(2) ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) penetration testing-PT;
(5) eddy current flaw detection-ET

 

20MnV6 / E470 Low Alloy Round Steel Tubing Seamless Mechanical Steel Pipe

 

Package

 

In standard export packing and seaworthy material with hexagon shape bundle, covered with tarpaulin, in containers or in bulk, or upon request

20MnV6 / E470 Low Alloy Round Steel Tubing Seamless Mechanical Steel Pipe

 

Payment & Delivery

 

1. Both T/T and L/C will be acceptable

2. Trade Terms: FOB, CIF, CFR

3. The delivery will be in 10-15 days if have stock; For customized items, the delivery will be negotiated by both parties

4. Shipping by sea freight from Shanghai Port (PRC) for Bulk orders, by airfreight or express for samples

 

Company Information

 

Shanghai Unite Steel Trading Co., Ltd

We are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.

In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china.

What’s more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!

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FAQ

 

Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price. 
 
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.
 
Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material doesn't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.
 
Q: What is the payment term?
A: T/T or L/C.
 
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come. 

20MnV6 / E470 Low Alloy Round Steel Tubing Seamless Mechanical Steel Pipe

Contact Details
SHANGHAI UNITE STEEL TRADING CO., LTD

Contact Person: Chilli.ho

Tel: +8618101875575

Send your inquiry directly to us (0 / 3000)