Communicate with Supplier? Supplier
Angelina Chen Ms. Angelina Chen
What can I do for you?
Chat Now Contact Supplier
 Tel:86-0634-5648998
I agree will authorize the transaction payment on is a subsidiary of group, Please rest assured to trade.
I agree
Home > Products > Heat Treated Steel Bar And Tube > Quenched And Tempered Steel Bar > grade quenched and tempered qt steel round bar
  • grade quenched and tempered qt steel round bar
  • grade quenched and tempered qt steel round bar
  • grade quenched and tempered qt steel round bar
  • grade quenched and tempered qt steel round bar
  • grade quenched and tempered qt steel round bar

grade quenched and tempered qt steel round bar

Payment Type:
L/C,T/T,D/P,Paypal,Money Gram,Western Union
Min. Order:
5 Metric Ton
Delivery Time:
30 Days
Qingdao Port
Chat Now
  • Product Description
Product Attributes

Model No.iso 898 grade 8.8



ApplicationStructural Steel Bar

Special UseCold Heading Steel

TypeAlloy Steel Bar

Steel GradeOther

TechniqueHot Rolled

Surface TreatmentOther


STEEL GRADEIso Grade 8.8

Supply Ability & Additional Informations

PackagingAnti-rusty standard seaworthy

Productivity3000 tons per month


Place of OriginShandong Provnce, China

Supply Ability3000 tons per month

CertificateISO 9001

HS Code7228309000

PortQingdao Port

Payment TypeL/C,T/T,D/P,Paypal,Money Gram,Western Union


Delivery Time30 Days

Packaging & Delivery
Selling Units:
Metric Ton
Package Type:
Anti-rusty standard seaworthy

Grade 8.8 round bars

ISO grade 8.8 is one kind of alloy quenched and tempered grade in ISO898 standard which is similar to US grades 8 and B7.

Grade 8.8 round bars we supply has following advantages:
Smoth surface:
For both hot rolled and cold drawn steel bars
Good straightness:
0.5mm/m for cold drawn bars and 1mm/m for hot rolled bars
Precision size tolerance:
h9 - h11 for cold drawn steel bars
Customized length:
12ft, 6000mm or other cutting length
Standard mechanical proeprties:
According to ISO GRADE 8.8 Bolt material
Uniformed hardness:
On whole bars
Anti-rusty packages:
Film wrapped inside, Nylon plastic bag wrapped outside with belt
Competitive price:
grade 8.8 round bars with most competitive price
Large quantity stock:
Stock of Diameters such as M12, M16, M18, M20, M22, M24, M25, M27, M28, M30, M32, M34, M35, M36, M38, M40, M42, M45, M48, M50, M52, M55, M56, M58, M60, M64, M65, M70, M72, M74, M75, M80 anchor bolts round bars
Fast delivery:
Within two weeks for stocks
Professional service:
Packing, color painting, cutting, Chamferring, Exporting, Documentary etc.

Any other requirements on products and service, welcome to tell us. Your requirements push us to improve.
Following is Grade 8.8 bolt material specification:
1. Grade 8.8 material equivalent

40Cr 41Cr4 AISI5140 SAE5140 SCr440

2. Chemical compiosition of grade 8.8 material

0.38-0.43 0.15-0.35 0.70-1.00 0.035(MAX) 0.035(MAX) 0.80-1.10

3. Grade 8.8 material mchanical properties

Grade 8.8 material Yield Strength(MPa) Grade 8.8 material Tensile Strength(MPa) Grade 8.8 material Elongation (%) Grade 8.8 material Reduction of area Grade 8.8 material Hardness(HRC)
660(min) 830(mIn) 12%(min) 50%(min) 32(max)

5. Production line:

Qt Bar

6. Production Facilities:

Heat Treatment

7. Inspection:


8. Package:


9. RFQ:

Q1. Are you a manufactuer?
A1:Yes, we have our own factory and labatory to produce and inspect products.

Q2. How to ensure that every process's quality?

A2:Every process will be checked by our quality inspection department which insures every product's quality. we will personally go to tIn the production of products,he factory to check the quality of products.

Q3.How long is your delivery time?
A3:Our delivery time is generally 30 to 45 days. Or according to the quantity.

Q4. What is your payment method?
A4:30% value of T/T in advance and other 70% balance on B/L copy.
Q5.Can you provide a sample?
A5:Sure, Our sample is provided free of charge, but not including courier fees

Heat treated steel bar - Quenched And Tempered Steel Bar can be used to produce High Strength Marine Anchor Bolt, Wind Turbine Anchor Bolt , Mining And Tunneling Rock Bolt, High Strength Steel Bolts, Sheet Pile Tie Rods , Marine Sheet Pile Tie Rod For Wharves, Post Tension Bar For Bridge, Tie Bar Construction , Structural Steel Tie Bars and high strength required steel shafts etc.

Looking for ideal Grade 8.8 Qt Steel Equivalent Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Grade 8.8 Qt Steel Material Specification are quality guaranteed. We are China Origin Factory of Grade 8.8 Qt Steel Round Bar. If you have any question, please feel free to contact us.

Product Categories : Heat Treated Steel Bar And Tube > Quenched And Tempered Steel Bar

Email to this supplier
  • *To:
    Ms. Angelina Chen
  • *Message:
    Your message must be between 20-8000 characters
Related Products List