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

Quantité de commande min	500KG
Prix	US $7.5-9.6 / kg

Détails sur le produit

Matériel	Acier 42CrMo4 + QT	Standard	Le numéro d'identification
Diamètre	10 - 320 mm	Longueur	6M ou fait sur commande
Technique	Laminé à chaud	Traitement de surface	Brillant
Limite d'élasticité	≥900 N/mm2 (d≤16mm)	Résistance à la traction	1100-1300 N/mm2 (d≤16mm)
Élongation	≥10 % (d≤16 mm)	Résistance aux chocs	≥35J (16 < d ≤ 250 mm)
Dureté HRC	≥53 (après durcissement)	Dureté HBW	≤255 (traité)
Température de trempe	820 à 880 ºC	Température de température	540 à 680 ºC
Composition chimique	C : 0,38-0,45 %, Cr : 0,90-1,20 %, Mo : 0,15-0,30 %
Mettre en évidence	42CrMo4 +QT Steel Round Bar , Hot Rolled Alloy Steel Round Bar , Polished Surface 42CrMo4 Round Bar

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Description de produit

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

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