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Products/Alloy Steel/EN19

EN19 Alloy Steel Round Bar

Chromium-Molybdenum High Tensile Quenched & Tempered Alloy Steel

Standard
BS 970 (709M40 / 708M40) / EN 10083-3
Werkstoff / UNS
Werkstoff: 1.7225UNS: G41400
Common Equivalents
414042CRMO4SCM440H
Overview

About EN19 Alloy Steel

C P Steel Suppliers supplies EN19 Alloy Steel for engineering, industrial machinery and manufacturing applications. It is classified as Chromium-Molybdenum High Tensile Quenched & Tempered Alloy Steel. Common equivalents include 4140, 42CRMO4, SCM440H. Available forms include ROUND BAR, FLAT BARS, SHEET, PLATE, COIL.

Contact our Mumbai team with your required size and quantity to confirm availability, documentation and delivery.

EN19 Round Bar Suppliers, EN19 Stockist, EN19 Big Dia, EN19 Cut to size as per requirement, EN19 vs 4140, 42CRMO4, SCM440H, EN19 Flat Bar, EN19 Small Quantity, EN19 Larger Dia, EN19 Circle, Ring. EN19 Mumbai, Chennai, Tamil Nadu, Gujarat, Pune, Maharashtra, India etc.

Specification

Chemical Composition

ElementComposition (wt%)
CCarbon
0.38 - 0.45%
MnManganese
0.60 - 0.90%
SiSilicon
0.10 - 0.40%
CrChromium
0.90 - 1.20%
MoMolybdenum
0.15 - 0.30%
PPhosphorus
max 0.025%
SSulfur
max 0.035%
FeIron
Balance
Performance

Mechanical, Physical & Processing Properties

PropertyValue / Reading
Tensile Strength850 - 1000 MPa (Quenched & Tempered)
Yield Strengthmin 650 MPa
Elongation12 - 15 %
Hardness Brinell248 - 302 HBW
PropertyValue / Reading
Density7.85 g/cm³
Melting Point1416 °C
Modulus Of Elasticity210 GPa
Thermal Conductivity42.6 W/m·K
PropertyValue / Reading
WeldabilityModerate; requires preheating (200 - 300 °C) and post-weld stress relief.
MachinabilityGood in annealed or normalized & tempered condition (approx. 65% of AISI 1112).
Case HardeningSuitable for induction and flame surface hardening as well as nitriding.
Corrosion ResistanceLow natural resistance; requires protective oil, paint, or plating.
Cross Reference

Equivalent Grades by Standard

Standard / RegionEquivalent Grade
Indian IS40Cr4Mo3 (IS 1570)
European EN42CrMo4 (EN 10083-3)
Germany DIN42CrMo4 (DIN 17200)
Japan JISSCM440 / SCM440H (JIS G4053)
UK (BS)709M40 / 708M40 / EN19 (BS 970)
USA (SAE / AISI)SAE 4140 / AISI 4140
Availability

Available Forms & Sizes

  • ROUND BAR
  • FLAT BARS
  • SHEET
  • PLATE
  • COIL
Form TypeSize Range Available
Black Round BarsOD 16MM - OD 650MM
Flat Bars10MM THK - 155MM THK
Hex BarsA/F 13MM - A/F 70MM
Black Sq Bars16MM X 16MM - 220MM X 220MM
Bright Round BarsOD 6MM - OD 60MM
FAQ

EN19 — frequently asked questions

What is the equivalent of EN19?
Common equivalents include 4140, 42CRMO4, SCM440H. Standards: Indian IS: 40Cr4Mo3 (IS 1570); European EN: 42CrMo4 (EN 10083-3); Germany DIN: 42CrMo4 (DIN 17200); Japan JIS: SCM440 / SCM440H (JIS G4053); UK (BS): 709M40 / 708M40 / EN19 (BS 970); USA (SAE / AISI): SAE 4140 / AISI 4140.
Which forms of EN19 are available?
EN19 is available as ROUND BAR, FLAT BARS, SHEET, PLATE, COIL.
Where can I buy EN19 Alloy Steel in Mumbai or across India?
C P Steel Suppliers supplies EN19 Alloy Steel from Mumbai. Contact us with your size and quantity to confirm availability and delivery.

Interested in Alloy Steel EN19?

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