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Hot Rolled Free Cutting Steel Bar Rods EN1A S45C AISI 1211 11SMnPb37 SUM24L

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Hot Rolled Free Cutting Steel Bar Rods EN1A S45C AISI 1211 11SMnPb37 SUM24L

Certification : ISO 9001 ,CE

Place of Origin : Jiangsu,China

MOQ : 1 PCS

Payment Terms : L/C, T/T, Western Union

Supply Ability : 5000 Ton/Tons per Month

Delivery Time : 7~10 working days

Product name : Free Cutting Steel Round Bar

Delivery Conditon : Forging,Rolling and Stamping,Annealing,Normalizing

Diameter : 3mm~300mm

Length : 2500-6000mm

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AISI 1211 Free Cutting Steel Round Bar

Free Cutting Steel also called Free Machining Steels are steels which are easy to machine. The machinability of the material is increased as the chips are broken in small pieces when machined thus avoiding their entanglement in the machinery. This enables automatic run of the equipment without human interaction. Free cutting steels with lead also allow for higher machining rates. As a thumb rule, free cutting steel normally costs 20% to 30% more than the standard steel. However this is made up by increased machining speeds, larger cuts, and longer tool life.

In turning, milling and drilling operations commonly known as machining operations, deformation/welding of the tool/work piece interface occurs rather than chip formation. During the machining operations surface finish is impaired, cutting temperature increased and tool life reduced significantly. A large ‘built-up edge’ is formed on the tool tip at very low sulfur contents. This requires frequent dressing or changing of tools, reduced productivity and higher costs.

STANDARDS

1) ASTM A29

2) ASTM A108

CONDITIONS OF SUPPLY

Bright round bar up to 63.5mm diameter is all cold drawn.

Bright round bars of 63.5- 100mm diameter are cold drawn or smooth-turned and polished.

Bright round bars over 100mm diameter are all smooth-turned and polished.

All hexagon bar and all square bar is cold drawn.

Flat Bar is cold drawn and supplied sharp-edged.

TOLERANCES

  • Drawn : H10
  • Smooth-turned and polished : H10,H11
  • Square Bar: H11
  • Hex Bar: H11
  • Flat Bar: H11

CHEMICAL COMPOSITION

Element C Mn P S
AISI 1211 0.13%Max 0.60~90% 0.07~0.12% 0.10~0.15%

APPLICATIONS

  • Domestic bin axles
  • Concrete anchors
  • Padlock shackles (case hardened)
  • Hydraulic fittings
  • Vice jaws (case hardened).


Product Tags:

En 7 Hot rolled Free Cutting Steel Bar 4mm

      

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Quality Hot Rolled Free Cutting Steel Bar Rods EN1A S45C AISI 1211 11SMnPb37 SUM24L for sale

Hot Rolled Free Cutting Steel Bar Rods EN1A S45C AISI 1211 11SMnPb37 SUM24L Images

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