• 40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel
  • 40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel
  • 40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel
  • 40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel
  • 40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel
  • 40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel

40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel

Standard: DIN, JIS, AISI, ASTM, GB
Technics: Hot Rolled/Hot Forged
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
Samples:
US$ 0/kg 1 kg(Min.Order)
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Customization:

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Basic Info.

Model NO.
41Cr4 SCr440(H)/SCr440 5140
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
Matrial
Alloy Steel SCR440
Hardness
Annealing / Pre-Hardness
Technology
Ef, Ef/Eaf+Lf+Vd, Ef/Eaf+ESR
Delivery State
Anneal
Tolerance
+_2mm
Use
Machinery Part
Transport Package
Wood Brick/ Wirerope
Specification
Dia 10~500mm*2500~5000mm
Trademark
ISO9000
Origin
China
HS Code
7228300000
Production Capacity
3000/Month

Product Description

40Cr 41Cr4 SCr440(H)/SCr440 5140 Milling surface round Bar steel Alloy Steel  Structural Bar
 

Characteristics and scope of application

It is the most commonly used alloy structure steel, tensile strength, yield strength, and quenching permeability were more than 40 steel high, but welding Limited, have a tendency to crack formation. Conditioning parts for the more important, such as working under alternating load parts, parts of the medium speed and medium load. After surface quenching can load and high wear resistance without the impact of a large part, such as gear, sleeve, crankshaft, pin. 

Heat treatment and metallurgical structure:

Specification of heat treatment: hardening 850ºC, oil cooling; tempering 520 ºC water cooling, oil cooling.
Metallurgical Structure: tempered martensite 


1.International Standard
GB AISI JIS
40Cr S140 SCr440


2.Chemical Composition(Wt%) : 3.Available Size(mm) :
 
C Si Mn S P Cr Ni Cu
0.38-0.43 0.15-0.35 0.60~0.90 Max 0.03 Max 0.03 0.13-0.16 Max 0.25 Max 0.03
 
Flat Bar Size(mm) Round bar Size(mm)
Thickness Width Length Diameter Length
10-700 155-2200 2000-6000 20-200 3000-550

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

40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel

 

5. Mechanical Property:

Tensile strength
σb (MPa)
Yield Strength
σs 0.2 (MPa)
Elongation
δ 5 (%)
specimen size  Reduction of crosssection area 
ψ (%)
Hardness
(HB)
Min 980 Min 785 Min 9 25mm Min 45   Max 207

40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel
40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel

 
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.
 
40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel
 
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

40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel
40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel
 
8.Application:
Widely used in a die casting mold, hot extruding die, brass casting die, high strength plastic dies, etc.
40Cr steel is one of the most widely used steel in the machinery manufacturing industry
40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel
 
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:
40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel
 
10.Delivery Time

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


Loading Details:
40cr 41cr4 SCR440 (H) /SCR440 5140 Milling Surface Round Bar Steel Alloy Steel Structural Bar Machinery Part Steel

 
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. 

 

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Registered Capital
147802.18 USD
Plant Area
156 square meters