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Polished Round Hot Rolled Steel Bar ASTM 4135 / EN 34CrMo4 1.7220 Grade

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Polished Round Hot Rolled Steel Bar ASTM 4135 / EN 34CrMo4 1.7220 Grade

Polished Round Hot Rolled Steel Bar ASTM 4135 / EN 34CrMo4 1.7220 Grade
Polished Round Hot Rolled Steel Bar ASTM 4135 / EN 34CrMo4 1.7220 Grade Polished Round Hot Rolled Steel Bar ASTM 4135 / EN 34CrMo4 1.7220 Grade

Large Image :  Polished Round Hot Rolled Steel Bar ASTM 4135 / EN 34CrMo4 1.7220 Grade

Product Details:
Place of Origin: MAINLAND CHINA
Brand Name: UST
Certification: ISO 9001:2008
Model Number: ASTM 4135
Payment & Shipping Terms:
Minimum Order Quantity: 3 Metric tons
Price: USD 800-2000 / Metric Ton
Packaging Details: In standard export packing and seaworthy material with rectangular shape bundle, covered with tarpaulin, in ontainers or in bulk, or upon request
Delivery Time: 15-35 days
Payment Terms: L/C, T/T, D/A, D/P
Supply Ability: 1000 Metric Tons per Month
Detailed Product Description
Matrial: Alloy Steel Standard: GB, ASTM, DIN,JIS
Grade: 4135 / 34CrMo4 1.7220 Diameter: 4-1600mm
Length: Below 16 Meters Shape: Round Bar
Techniques: Cold Drawn; Hot Rolled; Cold Rolled; Forged Surface: Black, Bright, Polished, Peeled, Or Upon Request
Ultrasonic Test: 100% UT Passed Processing: Annealed Or Quenched And Tempered Provided
End: Beveled, Plain End As Required Quality Inspection: SGS, BV Etc.
Service: Cutting Service And 3rd Party Inspection Is Provided
High Light:

hot rolled round bar

,

spring steel round bar

INTRODUCTION

 

Alloy steel 4135 is a low-alloy steel containing chromium and molybdenum as strengtheners. The alloy is capable of being heat treated to good strength levels while maintaining reasonable toughness.

 

APPLICATIONS

 

This alloy finds applications in the aerospace, oil and gas, auto and defense industries. It is used in the production of forged shafts, spindles, fixtures, jigs and collars.

 

SUPPLY RANGE OF ALLOY 4135
 
-Dimension: Diameter 4-1600 mm, any length below 16 meters

 

-Delivery Conditions:

Cold drawn: 4-100 mm

Peeled: 30-160 mm

Grinded: 4- 600 mm

Turned: 130-1200 mm

Hot rolled: 12-320 mm

Hot forged: 130-1600 mm

 

-EAF+(ESR) or EAF+LF+VD+(ESR)

-HOT rolled; Cold rolled; Forged; Cold Drawn

-Heat Treatment: Untreated, Annealing, N+T, Q+T

-Smelting: EAF+LF+VD (+ESR)

-Surface Finish: Black, Rough Machined, Peeled, Turned or upon request

-UT 100% passed

-Cutting service provided

-Third Party inspection is acceptable (SGS, BV etc.)

 

 

AISI 4135 Steel Specification and Relevant Standards

 

Country USA German Japan China Australia
Standard ASTM A29 DIN 17200 JIS G4105 GB/T 3077 AS 1444
Grades 4135 1.7220/
34CrMo4
SCM435 35CrMo 4135

 

 

ASTM 4135 Steels And Equilvalents Chemical Composition

 

Standard Grade C Mn P S Si Cr Mo
ASTM A29 4135 0.33-0.38 0.70-0.90 0.035 0.040 0.15-0.35 0.80-1.10 0.15-0.25
EN 10250 34CrMo4/
1.7220
0.30-0.37 0.60-0.90 0.025 0.035 0.40max 0.90-1.20 0.15-0.30
JIS G4105 SCM435 0.33-0.38 0.60-0.90 0.030 0.030 0.15-0.35 0.90-1.20 0.15-0.30

 

 

AISI Alloy 4135 Steel Mechanical Properties

 

Properties Metric Imperial
Bulk modulus (typical for steel) 140 GPa 20300 ksi
Shear modulus (typical for steel) 80 GPa 11600 ksi
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30
Hardness, Brinell (annealed and conld drawn) 187-229 187-229
Hardness, Knoop (converted from Brinell hardness) 230 230
Hardness, Rockwell B (converted from Brinell hardness) 94 94
Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only) 15 15
Hardness, Vickers (converted from Brinell hardness) 218 218
Machinability (based on AISI 1212 as 100 machinability) 70 70

 

 

PROCESSING

 

FORGING


AISI 4135 grade alloy steel is forged at a temperature of around 2200ºF (1205ºC) and could be forged down to a temperature of approximately 1700ºF (925ºC). The alloy may be slow cooled after forging or transferred to a furnace held at what may be the finish forging temperature. Such a treatment would in fact amount to a type of annealing treatment.

 

HEAT TREATMENT


Annealing:For optimum machinability, this grade of steel should be annealed to give a microstructure of coarse pearlite with a minimum of ferrite. From an austenitizing temperature of 1575ºF (855ºC) the steel is cooled to 1400ºF (760ºC) then to 1230ºF (665ºC) at 35ºF (19ºC) per hour, or to 1250ºF (675ºC) and holding for 4 hours, for an iso-anneal. In both cases the final step is an air cool.

 

NORMALIZING


This steel is normalized at 1600ºF (870ºC) followed by air cooling.

 

HARDENING


The steel will be austenitized at 1550 – 1600ºF (845 – 870ºC) followed by water or oil quenching, depending upon size and intricacy of section.

 

TEMPERING


The steel will be tempered at temperatures to meet required mechanical properties, based on past experience.

 

MACHINABILITY


This grade is readily machinable following correct and appropriate heat treatment.

 

WELDABILITY


The steel may be welded by normal fusion methods, but only in the annealed or normalized conditions. The steel should not be welded following harden and temper operations. Pre-heat and post-heat may be required, as per past experience.

 

Polished Round Hot Rolled Steel Bar ASTM 4135 / EN 34CrMo4 1.7220 Grade 0

 

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.

 

Shape Available

  • Solid round bar
  • Flat bar
  • Square bar
  • Hexagon bar
  • Block
  • Plate
  • Sheet
  • Wire rod
  • Strip

 

Our Advantages

  • High mechanical property and quenching, enable the surface share equal hardness after deal with it
  • Good polishing and low roughness
  • Making the heat-treatment to harden condition before using it
  • Competitive price
  • Fast production lead-time
  • All the material are inspected with 3 times to meet the highly standards
  • Pure steel quality & stable quality to be guarantee
 

OUR MAIN PRODUCTS ARE LISTED AS BELOW

 

Polished Round Hot Rolled Steel Bar ASTM 4135 / EN 34CrMo4 1.7220 Grade 1

 

Notes:

Available Size:
-Round: Dia. 4 -1600 mm
-Flat: T. 10-120 mm x W. 60-810 mm
-Block: T. 80-1200 mm x W. 100-1600 mm

 

PAYMENT AND SHIPPING

 

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!

 

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.

 

CONTACT US

 

We are happy to answer your questions and make you an offer for these and other materials. Contact us now for more information.

 

Your Contact Person

Ms Chilli Ho

Phone/Wechat/Whatsapp +86-181-0187-5575

Skype: chilli.ho@outlook.com

Email: chilli.ho@shunitesteel.com

Contact Details
SHANGHAI UNITE STEEL

Contact Person: Eric

Tel: 13661534998

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