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42CrMo4 +QT Hot Rolled Steel Round Bar with Polished Surface in EN DIN Standard

Ποσότητα παραγγελίας min 500 κιλά
Τιμή US $7.5-9.6 / kg
Λεπτομέρειες
Υλικό 42CrMo4 +QT Χάλυβας Πρότυπο EN DIN
Διάμετρος 10 - 320 mm Μήκος 6M ή συνήθεια
Τεχνική Θερμής έλασης Επεξεργασία Επιφανειών Αμεμπτος
Ισχύς απόδοσης ≥900 N/mm2 (d≤16mm) Αντοχή εφελκυσμού 1100-1300 N/mm2 (d≤16mm)
Επιμήκυνση ≥10% (d≤16mm) Αντοχή κρούσης ≥35J (16 < d ≤ 250 mm)
Σκληρότητα HRC ≥53 (μετά τη σκλήρυνση) Σκληρότητα HBW ≤255 (με θεραπεία)
Θερμοκρασία απόσβεσης 820 έως 880 ºC Θερμοκρασία μέτρησης 540 έως 680 ºC
Χημική Σύνθεση C: 0,38-0,45%, Cr: 0,90-1,20%, Mo: 0,15-0,30%
Επισημαίνω

42CrMo4 +QT Steel Round Bar

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Hot Rolled Alloy Steel Round Bar

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Polished Surface 42CrMo4 Round Bar

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Περιγραφή προϊόντων
1.7225 Material 42CrMo4 +QT Steel Round Bar

European standard alloy steel round bar in quenched and tempered condition with high strength, toughness, and excellent mechanical properties.

Product Specifications
Product Name 1.7225 / 42CrMo4 Alloy Steel Round Bar
Diameter 10 - 320mm
Length 6m or custom cutting as requested
Type Hot Rolled
Brand BAOSTEEL, DELTA, DONGBEI, HUAXI, SHAGANG, etc.
MOQ 1 Ton
Loading Port Shanghai Port
Packing Steel wire rope packing
Delivery Time 5-7 days for stock materials
Other Grades Q195, Q235, 10#, 20#, 35#, 45#, Q215, Q345, 12Cr1Mov, 15CrMo, 304, 316, 20Cr, 40Cr, 20CrMo, 35CrMo, 42CrMo, 40CrNiMo, GCr15, 65Mn, 50Mn, 50Cr, 3Cr2W8V, 20CrMnTi, 5CrMnMo
Standard ASTM, GB, EN, DIN
Application Structure and Industrial
Standard Stock Sizes - 42CrMo4 Round Bar

Available diameters: 10, 12, 15, 18, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 120, 130, 140, 150, 160, 180, 200, 210, 220, 230, 250, 270, 300mm

Other Alloy Steel Round Bars Available

40CrNiMoA, 4340, 40CrNi2Mo, 34CrNiMo6, 17CrNiMo6, 20CrNiMoA, 8620H, 35CrMo, V40, 20CrMnMo, 20MnCr5, 30CrNiMo8, 18CrNiMo7

42CrMo4 +QT Steel Material Description

42CrMo4 material (1.7225 steel) is a European standard alloy steel, typically delivered in tempered and quenched condition. It features high strength, high toughness, excellent hardenability, resistance to temper brittleness, high fatigue limit, good impact resistance after quenching and tempering, and superior low-temperature impact toughness.

This steel is ideal for manufacturing large and medium-sized plastic molds requiring strength and toughness, transmission gears, rear axles, load-carrying connecting rods, spring clips, and oil deep well drill pipe joints.

42CrMo4+QT indicates the material is in quenched and tempered condition.

Chemical Composition
Country (Region) Standard Steel Name C Si ≤ Mn P ≤ S ≤ Cr Mo
European Union EN 10083-3 42CrMo4 (1.7225) 0.38-0.45 0.40 0.60-0.90 0.025 0.035 0.90-1.20 0.15-0.30
Mechanical Properties
  • Yield Strength: ≥900 N/mm² (d≤16mm, t≤8mm), ≥750 N/mm² (16<d≤40mm, 8<t≤20mm), ≥900 N/mm² (40<d≤100mm, 20<t≤60mm), ≥900 N/mm² (100<d≤160mm, 60<t≤100mm), ≥900 N/mm² (160<d≤250mm, 100<t≤160mm)
  • Tensile Strength: 1100-1300 N/mm² (d≤16mm, t≤8mm), 1000-1200 N/mm² (16<d≤40mm, 8<t≤20mm), 900-1100 N/mm² (40<d≤100mm, 20<t≤60mm), 850-950 N/mm² (100<d≤160mm, 60<t≤100mm), 750-900 N/mm² (160<d≤250mm, 100<t≤160mm)
  • Elongation: ≥10% (d≤16mm, t≤8mm), ≥11% (16<d≤40mm, 8<t≤20mm), ≥12% (40<d≤100mm, 20<t≤60mm), ≥13% (100<d≤160mm, 60<t≤100mm), ≥14% (160<d≤250mm, 100<t≤160mm)
  • Impact Strength: ≥35J (16<d≤250mm, 8<t≤160mm) - longitudinal Charpy-V-notch test
  • Hardness HRC: ≥53 (after flame or induction hardening)
  • Hardness HBW: ≤255 (treated to improve shearability); ≤241 (soft annealed)
Notes: (d) - diameter of ruling section, (t) - thickness of flat products, 1 MPa = 1 N/mm²
Heat Treatment
  • Quenching Temperature: 820 to 880°C (Austenitizing period: at least 30 min; Quenching agent: Oil or water)
  • Tempering Temperature: 540 to 680°C (at least 60 min)
  • End Quench Test: 850 ± 5°C
Equivalent Materials
European Union United States China Japan ISO
EN 10083-3: 42CrMo4 (1.7225) AISI SAE; ASTM A29/A29M: 4140 GB/T 3077: 42CrMo JISG 4105: SCM440 ISO 683-18: 42CrMo4
Product Images
42CrMo4 +QT Hot Rolled Steel Round Bar with Polished Surface in EN DIN Standard 0 42CrMo4 +QT Hot Rolled Steel Round Bar with Polished Surface in EN DIN Standard 1 42CrMo4 +QT Hot Rolled Steel Round Bar with Polished Surface in EN DIN Standard 2 42CrMo4 +QT Hot Rolled Steel Round Bar with Polished Surface in EN DIN Standard 3 42CrMo4 +QT Hot Rolled Steel Round Bar with Polished Surface in EN DIN Standard 4 42CrMo4 +QT Hot Rolled Steel Round Bar with Polished Surface in EN DIN Standard 5