Quenched and Tempered Steel Round Bar AISI / SAE 4140 / ASTM A193 B7

Quenched and Tempered Steel Round Bar AISI / SAE 4140 / ASTM A193 B7

Qt Chrome Bar Introduction Chrome plated bars can be divided into standard bar, induction bar and tempered & quenched bar. Surface of bar goes through special grinding and hard chrome plating process, and then mirror polishing. They always work together with precision tubes. Qt Chrome Bar...

Product Introduction

Our 16Mn Hydraulic Cylinder Tube, Skived And Burnished Pipe, Cylinder Barrel is innovated continuously and our technology is unique, so that we become the leader of the industry. Our continuous improvement and update of products have won the support of more customers and further promoted the development of the enterprise. We are your best choice.

Qt Chrome Bar Introduction

Chrome plated bars can be divided into standard bar, induction bar and tempered & quenched bar. Surface of bar goes through special grinding and hard chrome plating process, and then mirror polishing. They always work together with precision tubes.

Qt Chrome Bar technical parameters and Details

Application: hydraulic cylinder, pneumatic cylinder, oil cylinder, telescopic cylinder.

Original: Jiangsu, China

Certification: ISO9001.

Material: CK45, ST52, E355, 42CrMo4

Payment term: TT, LC

Delivery date: usually 20 to 40 days.

Packing: each packed in peper sleeve, and then in bundle.

Market: Middle East/ Africa/Asia/South America/Europe/North America

MOQ: Depends on exact size and material.

Chemical Properties:

Material

C%

Mn%

Si%

S%

P%

V%

Cr%

CK45

0.42-0.50

0.50-0.80

≤0.04

≤0.035

0.035


≤ 0.25

ST52

≤0.22

≤1.6

≤0.55

≤0.04

≤0.04



20MnV6

0.16-0.22

1.30-1.70

0.10-0.50

≤0.035

≤0.035

0.10-0.20

≤0.30

42CrMo4

0.38-0.45

0.60-0.90

0.15-0.40

≤0.035

≤0.035

0.07-0.12

0.90-1.20

40Cr

0.37-0.45

0.50-0.80

0.17-0.37

≤0.035

≤0.035


0.80-1.10

Chrome plated bar characteristics

- PRODUCTION NAME: chrome bar , Chrome shaft,chrome piston rod

- PRODUCT SIZE : φ6-φ250

- SUPPLY CONDITION:

Standard chrome plated; induction hard; quenched and tempered

- CHROME THICKNESS:

Standard 20 to 30 microns, special requirement depends on customers

- SURFACE ROUGHNESS: Ra≤0.4 micron

- TOLERANCES ON DIA: ISO f7 on the diameter

- OVALITY : Half of the tolerance ISO f7

- STRAIGHTNESS: ≤0.2MM/M

- SURFACE HARDNESS :800-1150HV

Experience and markets

Our factory has more than 20years working experiences on researching and selling. Products are well sailed all over the world, got many compliments from customers.

Our team.jpg

Our Advantage

1. We has two factories of 40000 square meters and totally 150 employees to promise the Honed Tubes In Stock best quality control;

2. According to the cylinder pressure and inside diameter size ,different hydraulic cylinder honed tube Would be choosed ;

3. Our motivation is --- customers’ satisfaction smile;

4. Our believing is --- pay attention to every detail;

5. Our wish is ----perfect co-operation.

Our services

Pre-sale services:

1. Providing professional technical support.
2. Send the product catalog and instruction manual.
3. If you have any question PLS contact us online or send us email, we promise we will give you a reply at the first time!
4. Personal call or visit are warmly welcome.

Sale of services:
1. We promise honest and fair, it's our pleasure to serve you as your purchasing consultant.
2. We guarantee punctuality, quality and quantities strictly implement the terms of contract...

After-sales service:
1. Where to buy our products for one year warranty and life long maintenance.
2. 24-hour telephone service.
3. A large stock of components and parts, easily-worn parts.

All of our Quenched and Tempered Steel Round Bar AISI / SAE 4140 / ASTM A193 B7 are independently researched and acquired by our unique technology to make sure that they can be upgraded and updated constantly. Our company has been able to rapidly develop and grow by virtue of its strong R & D strength, reliable product quality and a highly qualified professional team that is rare in the industry. Through our own brand advantages and technology content, combined with the market demand of different regions in the world, we deliver our products all over the world.

Hot Tags: Qt chrome bar, China, manufacturers, suppliers, factory, price, Piston Rod Chrome Bar, welding roller, Hydraulic Cylinder Cold Drawn Tube, Chrome Steel Rod, 4135 Gas Cylinder Tube, 1020 Honed Tube

Send Inquiry

whatsapp

Phone

E-mail

Inquiry