42CrMo / 42CrMo4 / Alloy 4140 Seamless Steel Pipe Tube Forged Steel Pipe

42CrMo / 42CrMo4 / Alloy 4140 Seamless Steel Pipe Tube Forged Steel Pipe

42CrMo4 steel stockholders and suppliers. 42CrMo4 is commonly supplied quenched and tempered (QT) available as full bar lengths or cut pieces in flat section and round bar with delivery to the whole of the UK. As a quality alloy steel grade it offers good high tensile properties. It is characterised by its good ductility and shock resistant properties that combines with good wear resistance. Suitable for nitriding which gives a shallow depth wear resistant case to provide maximum wear and abrasion resistance. Also suitable for induction or flame hardening which can give a case hardness of 50 HRc or higher.

OD 0.39"-47"(10mm-1,200mm)
L 1-14meters

Annealing: 830℃ with Furnace Cooling
Hardening: 830-880℃ by Oil Cooling
Heat Treating Conditions Revise Criterions:
Ar: 740-690℃
Mechanical Properties:
Yield strength (kgf/mm²): ≥85
Cross section reduction rate (%): ≥45
Hardness (Hb): 285-352

JIS G4104 SCM440, DIN 42CrMo4, W-Nr.1.7225, ASTM 4140, AISI 4140, SAE 4140, GOST4543 38XM, BS 708M40, BS 708A42, BS 709M40, NF 42CD4;
30CrMo, JIS SCM430, DIN 34CrMo4, W-Nr.1.7220, ASTM 4130, AISI 4130, SAE 4130, NF 30CD4, GOST 30XM;
DIN 17210 20Cr4, DIN 17210 41Cr4, GOST 4543 20X, GOST4543 40X, JIS G4104 SCr420, JIS G4104 SCr440;
ASTM A29M 5120, ASTM A29M 5140, EN 10083 18C3, EN 10083 42C4, BS970 527A20, BS970 530A40, BS970 530M40, 27SiMn, GOST 4543 27GS;

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