Shock Resisting Steel S7 1.2355/50crmov13-15 Steel Round Bar

• Customization: Available
• After-sales Service: 24 Hours on Line
• Type: Alloy Steel Bar
• Model NO.: S7/1.2355
• Standard: AISI, ASTM, GB, JIS, DIN, BS
• Technique: Forged
• Application: Structural Steel Bar, Tool Steel Bar
• Surface Treatment: Polished
• Alloy: Alloy
• Special Use: Cold Heading Steel
• 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
• Transport Package: Seaworthy Package
• Trademark: Qilu
• Origin: China
• HS Code: 7228400000
• Production Capacity: 400, 000ton/Year

Product Description

Shock Resisting Steel S7 1.2355/50CrMoV13-15 Steel Round Bar

Physical Properties	Metric	English	Comments
Density	7.76 g/cc	0.280 lb/in³
Mechanical Properties	Metric	English	Comments
Hardness, Brinell	187 - 223	187 - 223	Annealed
Hardness, Rockwell C	45.0 - 57.0	45.0 - 57.0	After typical heat treatment
Thermal Properties	Metric	English	Comments
CTE, linear	12.6 µm/m-°C @Temperature 20.0 - 200 °C	7.00 µin/in-°F @Temperature 68.0 - 392 °F
	13.3 µm/m-°C @Temperature 20.0 - 650 °C	7.39 µin/in-°F @Temperature 68.0 - 1200 °F
Processing Properties	Metric	English	Comments
Processing Temperature	205 - 620 °C	401 - 1150 °F	Tempering
	925 - 955 °C	1700 - 1750 °F	Hardening
Annealing Temperature	815 - 845 °C	1500 - 1550 °F	Max cooling rate = 14°C/hr
Component Elements Properties	Metric	English	Comments
Carbon, C	0.450 - 0.550 %	0.450 - 0.550 %
Chromium, Cr	3.00 - 3.50 %	3.00 - 3.50 %
Iron, Fe	92.0 - 94.9 %	92.0 - 94.9 %	As remainder
Manganese, Mn	0.200 - 0.90 %	0.200 - 0.90 %
Molybdenum, Mo	1.3 - 1.80 %	1.3 - 1.80 %
Silicon, Si	0.200 - 1.0 %	0.200 - 1.0 %
Vanadium, V	0.200 - 0.300 %	0.200 - 0.300 %	Optional

S7 steel overviews

Size	Round	Dia 6-1200mm
	Plate/Flat/Block	Thickness 6mm-500mm
		Width 20mm-1000mm
Heat treatment	Normalized ; Annealed ; Quenched ; Tempered
Surface condition	Black; Peeled; Polished; Machined; Grinded; Turned; Milled
Delivery condition	Forged; Hot rolled; Cold drawn
Test	Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc.
Payment terms	T/T;L/C;/Money gram/ Paypal
Trade terms	FOB; CIF; C&F; etc..
Delivery time	30-45 days
Application	D2 used for Blanking Dies, Forming Dies, Coining Dies, Slitting Cutters, Heading Tools, Long Punches, Forming Rolls, Edging Rolls, Master Tools, Beading Rolls, Intricate Punches, Extrusion Dies, Drawing Dies, Lamination Dies, Thread Rolling Dies, Shear Blades, Burnishing Tools, Gauges, Knurls, Wear Parts.

Delivery condition

For hot forged bar, usually the delivery condition is hot forged, annealed rough turned/Black surface.
For hot rolled bar, usually the delivery condition is hot rolled, annealed, Black surface.
For hot forged plate, usually the delivery condition is hot forged, annealed, milled surface
For hot rolled plate, usually the delivery condition is hot rolled, annealed, 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.



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.



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