iso grade 12.9 steel round bar

Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
Min. Order: 5 Metric Ton
Delivery Time: 30 Days

Basic Info


Model No.: iso grade 12.9

Type: Alloy Steel Bar

Standard: Other

Steel Grade: Other

Technique: Other

Application: Other

Surface Treatment: Other

Alloy: Alloy

Special Use: Cold Heading Steel

STEEL GRADE: Iso Grade 12.9

Material: 4140/4340


Additional Info


Packaging: Anti-rusty standard seaworthy

Productivity: 500 tons per month

Brand: LE REN

Transportation: Ocean,Land,Air

Place of Origin: Shandong Provnce, China

Supply Ability: 500 tons per month

Certificate: ISO 9001

Port: Qingdao Port,Tianjin Port,Shanghai


Product Description

iso grade 12.9 threaded rod and bar 

 

ISO grade 12.9 steel bar is used to produce iso grade 12.9 threaded rods and iso grade 12.9 anchor bolt. We produce iso grade 12.9 hot rolled and qt steel round and and iso grade 12.9 cold drawn and qt steel round bar. ISO grade 12.9 is one kind of alloy quenched and tempered grade in ISO898 standard.ISO grade 12.9 threaded rod is usually metric threaded rods.


ISO grade 12.9 threaded rod is famous for its high demand because of its high strength, excellent heat resistance and resistance to corrosion.


1. gr12.9 threaded rods raw material 42CrMo/4140 or 40CrNiMoA/4340 chemical composition:

42CrMo/4140 

C

SI

MN

S/P

CR

0.38-0.45

0.15-0.35

0.60-0.90

0.035 MAX

0.80-1.20

40CrNiMoA/4340

C
SI
MN
S/P
CR
MO
NI
0.37-0.44
0.37-0.44
0.50-0.80
0.025 MAX
0.60-0.90
0.15-0.25

1.25-1.65


2. class 12.9 threaded rods mechanical property:

Tensile strength

Yield strength

Elongation

Reduction of area

Hardness

1220MPa min

1100MPa min

8% min

8% min

39HRC-44HRC

Note: The properties can adjust according to your requirements

 

3. iso grade 12.9 threaded rods sizes:

DIAMETER: M12 - M64

LENGTH: 1M, 2M ,3M, 6M or cut to samll length pieces

M12

1.75mm

M36

4mm

M14

2mm

M39

4mm

M16

2mm

M42

4.5mm

M18

2.5mm

M45

4.5mm

M20

2.5mm

M48

5mm

M22

2.5mm

M52

5mm

M24

3mm

M56

5.5mm

M27

3mm

M60

5.5mm

M30

3.5mm

M64

6mm

M33

3.5mm

 

 

 

 4. iso grade 12.9 Metric threaded rod weight:   

M12

0.69kg

M36

6.63kg

M14

0.93kg

M39

7.86kg

M16

1.24kg

M42

9.05kg

M18

1.57kg

M45

10.51kg

M20

1.98kg

M48

11.84kg

M22

2.44kg

M52

14.13kg

M24

2.86kg

M56

16.37kg

M27

3.58kg

M60

19.00kg

M30

4.54kg

M64

21.21kg

M33

5.61kg

 

 


5. Production line:

 Cold Drawn Steel Bar

 Qt Bar

 

6. Production Facilities:

Cold Drawn Steel Bar 2 

 Heat Treatment

 

7. Inspection:

 Inspection

 

8. Threaded rod package:

 Threaded Rod Packages

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.

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Contact Info

CONTACT US

SHANDONG LE REN SPECIAL STEEL CO., LTD.

Address: NO. 89, QINGSHUI COMMERCIAL STREET, LAIWU DISTRICT,Jinan,Shandong

Contact Person: Angelina Chen

Phone:86-0634-5648998

Fax:86-0634-5648997

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