Flat Bar 1.7225 SAE4140 Scm440 42CrMo Grade Tool Steel

• Customization: Available
• Standard: DIN, JIS, AISI, ASTM, GB
• Technics: Hot Rolled/Hot Forged
• Model NO.: 1.7225 SAE4140 SCM440 42CrMo
• Application: Structural Steel Bar
• Surface: Polished
• Alloy: Alloy
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Test: SGS / Ut 100% / Element Testing
• Special: Cutting Tools, Measuring Tools
• Cusoimized: Yes / OEM
• Shape: Round/Plate/Sheet/Flat Bar
• Delivery Condition: Hot Rolled/ Hot Forged
• Business Way: Wholesaler and Retail
• Available Steel Shape: Round Bar/Plate
• Our Service: Cutting by Bandsaw Machine /Peeling/ Grinding
• Inspection: 100% Ultrasonic According to The Test Standards:Se
• Hardness: Annealing / Pre-Hardness
• Prooduct Type: Engineering Steel / Plastic Mold Tool Steel
• Technology: Ef, Ef/Eaf+Lf+Vd, Ef/Eaf+ESR
• Delivery State: Anneal 235hb
• Transport Package: Wood Brick/ Wirerope
• Specification: Dia 10~500mm*2500~5000mm
• Trademark: ISO9000
• Origin: China
• HS Code: 7228300000
• Production Capacity: 3000/Month

Product Description

Flat Bar 1.7225 SAE4140 SCM440 42CrMo grade tool steel
42CrMo steel is ultra-high-strength steel with high strength and toughness, good hardenability, no obvious temper brittleness, high fatigue limit and multiple impact resistance after quenching and tempering, and good low-temperature impact toughness.
1.Chemical composition(%):

C	Si	Mn	Cr	P	S	Mo
0.38-0.45	0.17-0.37	0.50-0.80	0.90-1.20	≤0.035	≤0.035	0.15-0.25

2.Equivalent grades:

GB(China)	DIN(German)	AISI(USA)	JIS(Japan)
42CrMo	1.7225	SAE4140	SCM440

3.Available size(mm):

Flat Bar Size(mm)			Round bar Size(mm)
Thickness	Width	Length	Diameter	Length
10-280	200-2200	2000-10000	20-260	3000-6000

Recommend heat treatment:

Quenching				Tempering
Heating temperature/ºC		Cooling way	Hardness (HRC)	Tempering  temperature /ºC	Cooling way	Hardness (HRC)
850-880		Oil Cooling	50-52	450-650	Air cooling	≥48

Feature: 
1. Good strength, hardenability, and toughness.
2. High creep strength and long-lasting strength under the high temperature.

4.Product Process:
Electric-Furnace Smelting(EF)→Ladle Furnace(LF)→Vacuum Degassing(VD)→ Argon protected ingot →Multidirectional Forging → (Concave forging →)Normalizing+Hydrogen Diffusion Annealing → Ultrasonic Flaw Detection →Queching+Tempering Prehardened

 

Feature: 
1. Good strength, hardenability, and toughness.

2. High creep strength and long-lasting strength under the high temperature.

 

6. About us :

HK JIMI STEEL  Was established in 2012, located in the Shunde District of Guangdong Province, It is an import and export trading company mainly engaged in advanced special steel, die steel, alloy steel, and steel processing general machinery and equipment. The company adheres to the concept of "high quality, high requirements and good faith", 

Cooperating with more than 20 famous steel mills in China, rich in spot stock of products. 

Our company has a variety of processing equipment and all kinds of inspection and testing equipment, such as horizontal sawing machine, vertical sawing machine, milling machine, bilateral milling machine, precision milling machine, plane grinder and so on. The products with short producing time, excellent quality and high precision can provide a high-quality product choice for the vast number of customers at home and abroad. 

Our customer group spread all over the domestic provinces and cities, abroad including Europe, the United States, Australia, the Middle East, Southeast Asia and other more than 20 countries and regions, along with over 100 long-term stable cooperation customers...Choosing Xingxiong will bring you a better experience. 

PLASTIC MOULD STEEL: 1.2311, 1.2312, 1.2738, P20, 1.2083, 1.2316, NAK80, P40, 1.2738HH

HOT WORK MOULD STEEL: 1.2344, SKD61, H13, H11, FDAC, 8407

COLD WORL MOULD STEEL: SKD11, D3, SKS3, 1.2080, 1.2379, CR12MOV, O1, D2

STRUCTURAL ALLOY STEEL: 4140, 20CR, 40Cr, 35CrMo, 42CrMo, 38CrmoAi, SCM440, SCM420, 1.7225

CARBON STEEL &: Q235, Gcr15, S45C, S50C, S55C

CNC surface grinding machine, NC side boring machine, Band saw, CNC double head machine, Vertical Band saw, CNC milling machine, Double alloy saw blade, wireless remote control crane, Magnetic chuck.

 

 

 

7.Our Service:

A. Steel plates: Cutting by bandsaw machine, milling, heat treatment, etc
B. Round bars: Cutting by bandsaw machine, peeling, grinding and turned, heat treatment, etc

 

8.Application:
Widely used in a die casting mold, hot extruding die, brass casting die, high strength plastic dies, etc.

 

9. Stock:

High-quality stock for various steel flat bars and round the bar.
Alloy steel / Cold work steel / Hot work steel / Plactic mold steel and Stainless 
Hot sales grade : DC53/ H13 / P20 / SCM440 / Q235,etc.

For more tool and die steel please check the list:

 

10.Delivery Time

1) For abundant stock, 7-15 days.
2) For customized products, 15-30 days.

Loading Details:

 

 

11.FAQ:

Q1: What do you do for the control of the quality?

A1:  Before loading into the container, our products will all be inspected by ultrasonic inspection. Quality Grade conforms to SEP 1921-84 E/e, D/d, C/c as per customer's request.

Q2:: What are your hot-selling products?

A2: D2/1.2379, H13/1.2344, CR12MOV, DC53, CR8, abundant stock for both plates and rounds. Competitive prices and short lead-time.

Q3: Can we visit your company and factory? 
A3: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come. 

Q4: Are you a manufacturer or merely a trader? 
A4: We are a group of companies and owned manufacturer bases and trading companies. We specialized in plastic mold steel, hot work mold steel, cold work mold steel, alloy steel for mechanical, high-speed steel, etc. All material is of high quality and competitive prices. 
 

Hot sales Product:

                                                                         1.2344                                  SKD11                                            D3                                       DC5