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L7M Full Threaded Rod

L7M Full Threaded Rod

  • High Light

    L7M Full Threaded Rod

    ,

    4140 Threaded Rod L7M

    ,

    12ft Full Threaded Rod

  • Materials
    4140 /Hot Rolled
  • Thread
    UNC UN8
  • Grade
    L7 L7M L43
  • Length
    12ft /3660mm
  • Marking
    L7+logo L7M+logo L43+logo
  • HS Code
    731819/ 731815
  • Place of Origin
    China
  • Brand Name
    HAGER
  • Certification
    ISO9001:2015
  • Model Number
    1/4"-3-1/2",M6-M75
  • Minimum Order Quantity
    1000pcs
  • Price
    Inquiry
  • Packaging Details
    Bundles/cartons/pallets
  • Delivery Time
    15-30 Days
  • Payment Terms
    L/C, D/A, D/P, T/T, Western Union, MoneyGram
  • Supply Ability
    5000 tons per Month

L7M Full Threaded Rod

Stud Bar ASTM A320 Grade L7 L7M L43 "End to End" Class 2A

 

 

High strength products processed by domestic materials 4140 alloy steel, net belt furnace or medium frequency furnace heat treatment, high temperature resistance, products are widely used in oil, power plants, offshore exploration, tower and various high temperature and low temperature resistance environment,

 

 

The mechanical performance of the product shall meet the following standards, with specifications greater than or equal to 2-3 / 4 inches

TENSILE STRENGTH >860/mm2

YIELD STRENGTH MIN 725/mm2

ELONGATION >16%

REDUCE >50%

TEMPERING >593℃

QUENCHING 820-990℃

HARDNESS <32HRC

CHARPY V NOTCH IMPACT VALUE (J) MINUS -101C DEGREE

 

 

 

Several kinds of heat treatment technology of tooth

 

What are teeth?During production, heat treatment is a very important step, in general, for the main processing fasteners are rolling, tapping, rolling teeth from several aspects such as heat treatment process, all the thread rolling teeth is mainly used to form, and tapping silk attack, was mainly used form need thread, and in the production of rod, when used in heat treatment process is rolling teeth, with two corresponding screw roller, it is important to note must be rushed to the rotation, to use the function of extrusion, makes the product deformation, thus forming a thread you need.Make the right product.

 

Above is about the basic situation of tooth, the introduction of the basic production craft of the most common specification on the market and product, for this product, in building and decorate a domain, application is more extensive, it is a kind of more important hardware building materials

 

 

 

Product Name

Stud Bar DIN975 976 Metric Size B7 B7M B16 "End to End"

Size

Diameter : 1/2"-13 ~ 4"-8; Length : 5mm-5000mm  Normal:12ft /3660mm 

Standard

DIN,ISO,ASME/ANSI,ASTM,BS,JIS,CNS,AS,EN,GOST,IFI and Non-standard 

 

 

Finishing

Plain, Black,Yellow/White Zinc Plated,H.D.G, PTFE 1424

Grade

B7 B7M

Material40

 40CrMo, Alloy Steel , Stainless Steel , Brass,Carbon Steel

Thread Type

UNC, UNF, UNEF, M, BSW, BSF, TR, ACME, NPT

Production Technique

Cold forging, Hot forming, Chanfer,Marking,Maching, Heat Treatment ,ect

Production Capacity

 1000 tons per Month

Packaging

Bundles,Gross Weight about 25kgs per carton then 36 cartons per pallet or as customer's requirments

Certificate

ISO9001; API; 3.1.B

Trade Terms

FOB , CIF, CNF,CFR,EXW

 Terms of Payment

 T/T, L/C , Western Union , Paypal , Money Gram

 Delivery Time

 Within 30days