Sign In | Join Free | My fazendomedia.com
China SHANGHAI UNITE STEEL logo
SHANGHAI UNITE STEEL
One-stop Brand Service Provider For Globle Machinery And Petrochemical Enterprise And Special Steel Distributor.
Active Member

9 Years
Home > Hot Rolled Steel Bar >

4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts

Product Categories
SHANGHAI UNITE STEEL
Contact Now

4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts

  • 1
  • 2

Brand Name : Unite Steel

Model Number : Flat bar

Certification : ISO/BV/SGS/MTC

Place of Origin : China

MOQ : MOQ : 2-3 Ton

Payment Terms : L/C, D/A, D/P, T/T

Supply Ability : 3000 Ton per Month

Delivery Time : Within 15-45 days

Packaging Details : Standard seaworthy packing

Product name : AISI 4140/42CrMo4/SCM440 Hot Rolled Steel Bar ,Flat Steel Bar, Casing Hardened Flat bar, Low MOQ, Surface can machined

Material grade : AISI 4140/42CrMo4/SCM440

Delievry condition : Annealed/hot rolled/cold drawn/quenched&tempered

Surface : Black/machined

UT : SEP 1921-84 Class C/c D/d E/e

Certificate : ISO/BV/SGS/MTC

Length : as your request

Process : EAF/IF/ESR+ LF+ VD

Contact Now

AISI 4140/42CrMo4/SCM440 Hot Rolled Steel Bar ,Flat Steel Bar, Casing Hardened Flat bar, Low MOQ, Surface can machined

1.Application:

Flat steel flat bar point to the the steel that the width is 12-300 mm, the thickness is 4-60mm

thick, and cross section is rectangle with the edge of a little pure steel.

Main use: flat as timber can be used in the system of hoop iron parts, tools and machinery.

It also can be used as frame structure and escalator.

Flat Bar is used for general fabrication, making structures and frames.

Mild Steel Flat Bar can be easily cut and drilled, and is particularly suited to welding.

Examples of its use include furniture making, machinery manufacturing,

shipbuilding, railway spare parts, iron towers, steel structures, and boilers.

2.Specification:

Thickness:3-50mm

Width:20-600mm

4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts

Comparative standard Grade C Si Mn Cr Mo V W P S Ni
GB 42CrMo 0.38-0.45 0.17-0.37 0.50-0.80 0.80-1.20 0.15-0.25 max0.035 max0.035
AISI 4140
JIS SCM440
DIN 42CrMo4/1.7225 0.41 0.20 0.75 1.05 0.23 0.03 0.03
Dimensions
Round bar
Dia:16mm~700mm Length:2m~6m
Flat bar
Thickness:20mm~500mm Length:2m~12m
*Dimensions can be customized
Heat Treatment
Perheat treatment
1.Annealing:heating temperature 840-860°C ,heat preservation 2 hours ,cool slowly in furnace,
hardness ≤ 217 HBS.
2.Normalizing:heating temperature 850-900°C ,air cooling .
3.High temperature tempering :heating temperature 680-700°C,air cooling,hardness ≤ 217 HBS.
Quenching and tempering
1.Quenching: heating temperature 840-880°C,oil cooling, hardness ≥ 53 HRC .
Tempering : heating temperature 450-650°C ,air cooling ,hardness 25-40 HRC.
2.Induction quenching :heating temperature 900°C,emulsion cooling,surface hardness ≥ 53 HRC .
Tempering :160-180°C,air cooling ,hardness ≥ 50 HRC .
Detail information
Process EAF+LF+VD+Forging+(Rolling)+Annealing Condition (optional)
Delivery Condition Hot forged+Rough machined/turned surface
MOQ 1 ton
Technical Data According to customer’s requirements of chemical composition, physical properties and mechanical testing
Ultrasonic Test Ultrasonic test according to SEP 1921-84 G3 D/d E/d
Applications
Hot extrusion dies, forging die forging hammer, forging press die, precision forging die well as aluminum, copper and alloys die-casting mold.

4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts

4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts


Product Tags:

alloy steel round bar

      

spring steel round bar

      

hot rolled round bar

      
Best 4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts wholesale

4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts Images

Inquiry Cart 0
Send your message to this supplier
 
*From:
*To: SHANGHAI UNITE STEEL
*Subject:
*Message:
Characters Remaining: (0/3000)
 
You May Like