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Qingdao Helio Steel Co., Ltd.

Steel Round Bar, SAE4140 Alloy Steel Round Bar, AISI4140 Alloy Steel Round Bar manufacturer / supplier in China, offering SAE4140, Scm440, 42CrMo4, 42CrMo, DIN 1.7225 Alloy Steel Round Bars, 20cr 40cr 40mn2 20crmnti Alloy Steel Round Bar, Carbon Steel Bars SAE1020 1045/ C45/ S45c/ 45# and so on.

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Supplier Homepage Product Steel bar for machine Alloy steel bar SAE4140, Scm440, 42CrMo4, 42CrMo, DIN 1.7225 Alloy Steel Round Bars

SAE4140, Scm440, 42CrMo4, 42CrMo, DIN 1.7225 Alloy Steel Round Bars

FOB Price: US $400 / Ton
Min. Order: 10 Tons
Min. Order FOB Price
10 Tons US $400/ Ton
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Production Capacity: 50000mt
Transport Package: Standard Seaworthy
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: sae4140, scm440, 42CrMo4, 42CrMo, din 1.7225
  • Standard: AISI, ASTM, DIN, JIS, GB, BS
  • Technique: Hot Rolled
  • Surface Treatment: Polished
  • Application: Structural Steel Bar
  • Material: 4140 Scm440 42CrMo 42CrMo4
  • Delivery Condition: Hot Rolled, Cold Drawn, Forged
  • Trademark: LE REN
  • Origin: China
  • Type: Alloy Steel Bar
  • Composition: Alloy Steel
  • Shape: Round
  • Special Use: Mold Steel
  • Steel: Alloy Steel
  • Shapes: Round, Square, Flat, Hexagonal Bar
  • Heat Treatment: Annealed, Normalized, Qt
  • Specification: 10MM TO 800MM
  • HS Code: 7228
Product Description
Alloy steel bars  sae4140, scm440, 42CrMo4, 42CrMo, din 1.7225
 
This alloy responds well to heat treatment. Its chromium content provides good hardenss penetration, and the molybdenum imparts uniformity of hardness and high strength. In the annealed condition it machines at 110 sfm. Other desirable properties include good wear resistance, excellent toughness and good ductility in the quenched and tempered condition.
 

Shape
Round, Square, Flat, wire rods
Gradesae4140, scm440, 42CrMo4, 42CrMo
ToleranceStandard tolerances for hot rolled and cold drawn bars or according to customers' requirements
ApplicationHighly stressed parts, or parts subject to severe wear.
 

Specifications

Available Sizes

Rounds

16mm to 300mm for hot rolled  bars, 14mm to 100mm for cold drawn  bars,  200mm to 1000mm for forged bars

Squares
20*20mm to 130*130mm for hot rolled bars, 20*20mm to 60*60mm for cold drawn bars, 200*200mm to 600*600mm for forged bars
Flats(6mm to 100mm)*(20mm to 130mm), limited sizes
 

Available Length

All Shapes

For best delivery lengths suitable for container, or according to customers' requirements
 

Available Finishes

All Shapes
hot rolled, hot rolled and annealed
All Shapescold drawn, cold drawn and annealed
All Shapesforged, forged and peeled, forged and turned
All ShapesOther heat treatment according to customers' requirements
 

Chemistry
Chemistry
Carbon0.39/0.45
Maganese0.50-0.90(Max)
Phosphorus0.04 (Max)
Sulphur0.05 (Max)
Silicon0.17-0.37
Chromium0.90-1.20
Molybdenum0.15-0.25
 

Mechanical Properties

Mechanical Properties

Tensile Strength
1080MPa(Max)
Yield Strength930(MPa)
Elongation 12%
Reduction of area45%

 
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