DIN 1.2738 Plastic Mould Steel 1.2738 Bars

DIN 1.2738 Plastic Mould Steel 1.2738 Bars

Name: DIN 1.2738 Plastic Mould Steel 1.2738 Bars
Brand: JAYANT IMPEX
Price: 351.0 INR
Availability: InStock

351.0 INR/Kilograms

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Product Details:

Corrosion Resistant Moderate, not stainless
Material Composition % C 0.40%, Mn 1.45%, Cr 2.00%, Mo 0.20%, Ni 1.00%, balance Fe
Size Custom-cut to specifications
Heat Resistance Yes
Diameter Bars and rounds available up to 600 mm
Chemical Composition C: 0.37-0.45%, Si: 0.20-0.40%, Mn: 1.30-1.60%, Cr: 1.80-2.10%, Mo: 0.15-0.25%, Ni: 0.90-1.20%
Hardness 280-320 HB (pre-hardened), up to 38-41 HRC
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DIN 1.2738 Plastic Mould Steel 1.2738 Bars Price And Quantity

Price 351.0 INR/Kilograms
Minimum Order Quantity 1 Kilograms

DIN 1.2738 Plastic Mould Steel 1.2738 Bars Product Specifications

Corrosion Resistant Moderate, not stainless
Color Metallic Silver / Grey
Dimension (L*W*H) Customizable, on demand
Weight Varies as per dimension
Steel Type Mould Steel
Surface Black, Milled, Peeled, Rough Machined, Polished
Product Name DIN 1.2738 Plastic Mould Steel Bar
Application Plastic moulds, Die making, Tool construction, Machine parts
Heat Resistance Yes
Grade DIN 1.2738 / AISI P20+Ni / X37CrMoNi8-6-4
Size Custom-cut to specifications
Material Composition % C 0.40%, Mn 1.45%, Cr 2.00%, Mo 0.20%, Ni 1.00%, balance Fe
Shape Flat Bar, Rectangular, Square, Block
Finish Type Machined, Polished, Hot Rolled, Cold Drawn
Steel Standard DIN, AISI, EN, JIS
Material Grade 1.2738 (40CrMnNiMo8-6-4)
Usage Plastic injection moulds, die casting moulds, extrusion dies
Tensile Strength 950-1200 MPa (pre-hardened)
Product Form Bars, Blocks, Cut Pieces, Billets
Coating Type None supplied, can be coated as needed
Hardness 280-320 HB (pre-hardened), up to 38-41 HRC
Composition Tool Steel Alloyed with Nickel, Chromium, Molybdenum
Chemical Composition C: 0.37-0.45%, Si: 0.20-0.40%, Mn: 1.30-1.60%, Cr: 1.80-2.10%, Mo: 0.15-0.25%, Ni: 0.90-1.20%
Steel Product Type Flat Bars / Blocks
Diameter Bars and rounds available up to 600 mm
Thickness Customizable as per order requirements
Temper Annealed / Pre-hardened
Width Customizable as per requirement
Recyclable Yes

Microstructure Fine grained, homogenous structure
Production Process Electric Arc Furnace / Vacuum Degassed / Continuous Cast
Machinability Good, with high dimensional stability
Minimum Order Quantity Negotiable, as per supplier policy
Supply Condition In bars, blocks, or cut pieces
Ultrasonic Tested Available as per standards
Delivery Condition Pre-hardened, annealed, or raw as per order
Weldability Good, when using appropriate filler

Product Description

Material Classification and Cross Reference

Material Designation	Alloy Family	Primary Form	Application Method	Equivalent Standard
DIN 1.2316	Martensitic Stainless Tool Steel	Hot Rolled Forged Round Bar	Machining Precision EDM Polishing	EN ISO 4957 X38CrMo16
DIN X36CrMo17	Martensitic Stainless Tool Steel	Flat Bar Forged Block	Deep Cavity Injection Moulding	DIN 17350 Standard Grade
AISI 420F Modified	High Chromium Stainless Tool Steel	Turned Peeled Round Bar	CNC Milling Slotting Turning	ASTM A681 USA Grade
JIS SUS420J2 Modified	High Chromium Stainless Tool Steel	Precision Ground Flat Plate	Mirror Finish Mould Tooling	JIS G4303 Japanese Standard

Nominal Chemical Composition

Element	Element Name	Minimum Mass Fraction	Maximum Mass Fraction	Nominal Value
Fe	Iron	Balance	Balance	79.40
Cr	Chromium	15.50	17.50	16.50
Mo	Molybdenum	0.80	1.30	1.05
C	Carbon	0.33	0.45	0.38
Mn	Manganese	0.00	1.00	0.60
Si	Silicon	0.00	1.00	0.50
Ni	Nickel	0.00	1.00	0.50
P	Phosphorus	0.00	0.03	0.015
S	Sulfur	0.00	0.03	0.015

Physical and Mechanical Properties

Property	Value Range	Metric Units	Imperial Units
Density	7.70	Grams per Cubic Centimeter	0.278 Pounds per Cubic Inch
Hardness Pre Hardened	28 to 32	Rockwell C	Rockwell C
Hardness Quenched and Tempered	48 to 52	Rockwell C	Rockwell C
Tensile Strength Ultimate	950 to 1100	Megapascals	138000 to 160000 Pounds per Square Inch
Yield Strength	800 to 920	Megapascals	116000 to 133000 Pounds per Square Inch
Modulus of Elasticity	215	Gigapascals	31200000 Pounds per Square Inch
Thermal Conductivity at 20 Celsius	18 to 20	Watts per Meter Kelvin	125 to 138 BTU Inch per Hour Square Foot Fahrenheit
Thermal Expansion Coefficient	10.5 to 12.0	Micrometers per Meter Kelvin	5.83 to 6.67 Microinches per Inch Fahrenheit
Maximum Service Temperature	400	Celsius	752 Fahrenheit

Versatile and Customizable Steel Bar

DIN 1.2738 Plastic Mould Steel Bars are suitable for a wide range of applications including plastic injection moulds, die casting moulds, and extrusion dies. Available in customizable sizes and shapes like flat bar, rectangular, square, or block, these bars can be supplied in various finishes such as black, milled, polished, or rough machined. Dealers and suppliers across India provide flexible order quantities and tailored dimensions to fit specific project requirements.

Superior Mechanical Properties and Reliable Performance

Manufactured with precise chemical composition, DIN 1.2738 exhibits impressive mechanical properties, including tensile strength of 950-1200 MPa and hardness up to 41 HRC when pre-hardened. The alloy's fine-grained structure provides high dimensional stability and good heat resistance up to 280C. This reliable performance ensures long service life and minimal maintenance, making it ideal for demanding industrial processes.

Quality Assurance and Processing Flexibility

Every batch of DIN 1.2738 steel can be ultrasonic tested as per international standards, guaranteeing internal soundness. Produced using advanced methods like electric arc furnace and continuous casting, the steel offers excellent machinability and can be delivered pre-hardened, annealed, or in raw form. Clients benefit from high quality, consistency, and efficient weldability when using suitable fillers.

FAQ's of DIN 1.2738 Plastic Mould Steel 1.2738 Bars:

Q: How is DIN 1.2738 Plastic Mould Steel typically supplied and in what forms?

A: DIN 1.2738 is supplied as bars, blocks, cut pieces, or billets, available in various shapes such as flat bar, rectangular, square, and block. Supply conditions can be pre-hardened, annealed, or raw, depending on the order requirements.

Q: What are the main benefits of using DIN 1.2738 for mould making and tooling applications?

A: The alloy offers good machinability, high dimensional stability, and a fine, homogenous microstructure. Its pre-hardened state and robust mechanical properties make it ideal for plastic moulds and die construction, ensuring longevity and minimized distortion during use.

Q: When is ultrasonic testing provided for DIN 1.2738 steel bars?

A: Ultrasonic testing is available as per international standards upon request and helps ensure the internal soundness and integrity of the steel bars, making them reliable for critical applications.

Q: What is the recommended process for welding DIN 1.2738 bars?

A: This steel has good weldability when appropriate filler materials are used, which ensures strong joints without compromising its mechanical properties. Preheating and post-weld heat treatment may be recommended for optimal results.

Q: Where can DIN 1.2738 steel be used effectively?

A: It is widely used in manufacturing plastic injection moulds, die casting moulds, extrusion dies, machine parts, and other tool construction components that require dimensional stability and consistent hardness.

Q: How can customers customize DIN 1.2738 plastic mould steel bars to fit specific project needs?

A: Dimensions such as length, width, height, and thickness can be customized as per order requirements. The supplier can also provide various finish types and process the material into bars, blocks, or cut pieces on demand.

Q: What is the minimum order quantity for DIN 1.2738 mould steel bars?

A: The minimum order quantity is negotiable and varies based on supplier policy. Customers should consult directly with the dealer, exporter, or manufacturer to arrange terms suitable for their needs.

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