30cr SCR430 28cr4 1.7030 5130 Hot Rolled Steel Plate Case-Hardening Steel

• Customization: Available
• After-sales Service: Yes
• Warranty: Three Years
• Model NO.: 30Cr/SCr430/28Cr4/1.7030/5130
• Type: Steel Plate
• Standard: ASTM, AISI, GB, JIS, DIN, BS
• Certification: ISO
• Surface Treatment: Blackface
• Technique: Hot Rolled
• Application: Ship Plate, Container Plate, Flange Plate
• Special Use: Case-Hardening Steel
• Stock: Stock
• Payment Term: 30% Tt Deposit, Balance Against Bl Copy
• Length: 3000-5800mm
• Delivery Date: 30 Days
• Ex-Stock: No
• Ut Standard: Sep 1921-84 D/D
• Grain Size: ASTM E112
• Non-Metallic Inclusiton: ASTM E45
• Form: Round Bars/ Flat Bar / Blocks/ Tube
• Process: Eaf+Lf+Vd+Forged+Heat Treatment(Optional)
• Technology: Hot Rolled/ Forged/ Cold Drawn
• Heat Treatment: Normalized;Annealed ;Quenched ;Tempered
• Surface: Black; Peeled; Polished; Machined; Grinded; Turne
• Test: Ensile Strength, Yield Strength, Elongation
• Certificate: ISO/ Mill Certificate
• Experience: 15 Years Manufacturer Experience
• Transport Package: Seaworthy Package
• Specification: Thickness 8-800
• Trademark: Qilu
• Origin: China
• HS Code: 7226910000
• Production Capacity: 500, 000tons/Year

Product Description

Product Description

30cr SCR430 28cr4 1.7030 5130 Hot Rolled Steel Plate Case-Hardening Steel

1: 28Cr4 Steel Introduction
  28Cr4 is an alloyed structural steel, as per EN 10084. It has a high strength and hardenability. 28Cr4 steel is usually used in the tempering state, can also be used after normalizing, is widely used in the manufacture of important parts under wear and large impact load, such as shafts, shafts, balance levers, rockers, connecting rods, bolts, nuts, gears and various rollers, etc., can also be used as parts that need to be surface quenched.

2: 28Cr4 Steel Equivalent

Country	China	Japan			USA
Standard	GB/T	JIS	EN	ISO	ASTM
Grade	30Cr	SCr430	28Cr4/1.7030	28Cr4	5130

3: 28Cr4 Steel Chemical Composition

Grade	C	Si≤	Mn	P≤	S≤	Cr
28Cr4	0.24-0.31	0.4	0.6-0.9	0.025	0.035	0.9-1.2

4: 28Cr4 Steel Mechanical Properties  

 The mechanical properties mainly include tensile strength, yield strength, elongation, area or reduction, hardness, impact value, non-metalic inclusion etc. Different heat treatment, the mechanical properties will be different, such as annealed, Solid Solution. If you want to know the properties, kindly contact the salesman.

5: 28Cr4 Steel Overviews

Size	Plate/Flat/Block	Thickness 3mm-100mm
		Width 100mm-2500mm
Heat treatment	Q+T
Surface condition	Black;
Delivery condition	Hot rolled;
Test	Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness
Payment terms	T/T;L/C;/Money gram/ Paypal
Trade terms	FOB; CIF; C&F; etc..
Delivery time	30-45 days
Application	28Cr4 is widely used in the manufacture of important parts under wear and large impact load, such as shafts, shafts, balance levers, rockers, connecting rods, bolts, nuts, gears and various rollers, etc., can also be used as parts that need to be surface quenched.

 

 

6: Delivery Condition
    For hot forged rolled bar, usually the delivery condition is hot forged or rolled, annealed/QT, rough turned/Black surface.
    For hot forged or hot rolled bar, usually the delivery condition is hot rolled, annealed/QT, Black surface.
    For hot forged plate, usually the delivery condition is hot forged, annealed/QT, milled surface/Black surface
    For hot rolled plate, usually the delivery condition is hot rolled, annealed/QT, black surface.
 

Hunan Qilu Industrial Co., Ltd has the capacity to forge round steel, steel flat, square steel, module, shaft and roller, etc. The main specifications of the products include Φ80-1000mm forging materials and 80-1200mm square billets and which the maximum piece weight can reach 50T.

Company Profile

Hunan Qilu Industrial Co., Ltd were already engaged in exporting steel for 11 years, could supply a great variety of hot forged, hot rolled and cold drawn Steels,  including engineering steel, cold work tool steel, hot work tool steel, plastic mold steel, spring steel, high speed steel, stainless steel etc., besides Qilu Industrial also has their own heating treatment shop and machining shop to provide heating and cutting service.

Since 2008 year, Hunan Qilu Industrial has the right to export all FORGED STEEL behalf of Qilu Speical Steel Co.,ltd which is specialized in smelting and forging of special steel since 1965 year, now Qilu special steel is one of the biggest manufacturer of forged product in China.The forged products are used in Automotive, Aerospace, Power Generation, Oil & Gas, Transportation and Industrial. We already set up the warehouse in Wuxi and Dongguan city, more than 20000 tons ex-stock could be supplied with kinds of size.

Qilu Industrial is the professional one-stop steel manufacturer, stockist and exporter in China, our customers spread all over the world, include West Europe, North America, South America, Asia, Middle Asia, Africa, Australia, etc.






The company owns advanced special steel smelting facilities and forging processing equipments, the main steel-making equipment include 2 sets of 50t ultra-high power electric arc furnaces,2 sets of 60t LF refining furnaces,1 set of 60t vacuum degassing refining furnace and 4 sets of 1-20t electroslag re-melting furnaces.
The main forging equipments mainly include:3 sets of 5t electro-hydraulic hammers, 1 set of high-speed forging units of 800t,1600t,2000t and 4500t respectively.

Packaging & Shipping

 

Any interests in our company and products, please feel free to contact us for quotation. We warmly welcome you to our factory.

Hunan Qilu Industrial CO., LTD
Web: qilusteel.en.made-in-china.com