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Products/Tool & Die Steel/P20 / 1.2738

P20 / 1.2738 Tool & Die Steel Round Bar

Pre-Hardened Chromium-Nickel-Molybdenum Plastic Mold Steel for Large Cross-Sections

Standard
EN ISO 4957 / DIN 17350 / AISI P20+Ni
Werkstoff / UNS
Werkstoff: 1.2738UNS: T51620
Common Equivalents
40CRMNNIMO8-6-4P20 + Ni
Overview

About P20 / 1.2738 Tool & Die Steel

C P Steel Suppliers supplies P20 / 1.2738 Tool & Die Steel for engineering, industrial machinery and manufacturing applications. It is classified as Pre-Hardened Chromium-Nickel-Molybdenum Plastic Mold Steel for Large Cross-Sections. Common equivalents include 40CRMNNIMO8-6-4, P20 + Ni. Available forms include ROUND BAR, FLAT BAR.

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

P20 / 1.2738 Round Bar Suppliers, P20 / 1.2738 Stockist, P20 / 1.2738 Big Dia, P20 / 1.2738 Cut to size as per requirement, P20 / 1.2738 vs 40CRMNNIMO8-6-4, P20 + Ni, P20 / 1.2738 Flat Bar, P20 / 1.2738 Small Quantity, P20 / 1.2738 Larger Dia, P20 / 1.2738 Circle, Ring. P20 / 1.2738 Mumbai, Chennai, Tamil Nadu, Gujarat, Pune, Maharashtra, India etc.

Specification

Chemical Composition

ElementComposition (wt%)
CCarbon
0.35 - 0.45%
SiSilicon
0.20 - 0.40%
MnManganese
1.30 - 1.60%
PPhosphorus
max 0.030%
SSulfur
max 0.030%
CrChromium
1.80 - 2.10%
MoMolybdenum
0.15 - 0.25%
NiNickel
0.90 - 1.20%
FeIron
Balance
Performance

Mechanical, Physical & Processing Properties

PropertyValue / Reading
Tensile Strength980 - 1150 MPa (Pre-Hardened Delivery Condition)
Yield Strength830 - 980 MPa (Pre-Hardened Delivery Condition)
Elongation12 - 15 %
Hardness Brinellmax 235 HBW (Soft Annealed +A) / 280 - 325 HBW (28 - 34 HRC Typical Pre-Hardened Supply)
PropertyValue / Reading
Density7.85 g/cm3
Melting Point1425 - 1460 deg C
Modulus Of Elasticity205 GPa
Thermal Conductivity29.0 - 33.5 W/(m.K)
PropertyValue / Reading
WeldabilityGood with preheating at 250 - 320 deg C and post-weld stress relief at 500 - 550 deg C.
MachinabilityGood in pre-hardened delivery condition; uniform hardness from surface to core even in thicknesses above 400 mm due to 1% Nickel.
Case HardeningSuitable for gas/plasma nitriding, induction hardening, and hard-chrome plating.
Corrosion ResistanceLow natural resistance; requires protective oil or plating when exposed to humid environments.
Cross Reference

Equivalent Grades by Standard

Standard / RegionEquivalent Grade
Indian IS40CrMnNiMo8-6-4
European EN40CrMnNiMo8-6-4 (EN ISO 4957)
Germany DIN40CrMnNiMo8-6-4 / 1.2738 (DIN 17350)
Japan JISHPM7 / PX4 (JIS Equivalent)
UK (BS)P20+Ni
USA (SAE / AISI)AISI P20 + Ni / P20 Modified
Availability

Available Forms & Sizes

  • ROUND BAR
  • FLAT BAR
Form TypeSize Range Available
Black Round BarsOD 16MM - OD 350MM
Flat Bars20MM THK - 200MM THK
FAQ

P20 / 1.2738 — frequently asked questions

What is the equivalent of P20 / 1.2738?
Common equivalents include 40CRMNNIMO8-6-4, P20 + Ni. Standards: Indian IS: 40CrMnNiMo8-6-4; European EN: 40CrMnNiMo8-6-4 (EN ISO 4957); Germany DIN: 40CrMnNiMo8-6-4 / 1.2738 (DIN 17350); Japan JIS: HPM7 / PX4 (JIS Equivalent); UK (BS): P20+Ni; USA (SAE / AISI): AISI P20 + Ni / P20 Modified.
Which forms of P20 / 1.2738 are available?
P20 / 1.2738 is available as ROUND BAR, FLAT BAR.
Where can I buy P20 / 1.2738 Tool & Die Steel in Mumbai or across India?
C P Steel Suppliers supplies P20 / 1.2738 Tool & Die Steel from Mumbai. Contact us with your size and quantity to confirm availability and delivery.

Interested in Tool & Die Steel P20 / 1.2738?

Tell us the size and quantity you need and we will get back to you.

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