Круглая Балка из легированной стали AISI 4140

Product Overview

Description

AISI 4140 alloy steel round bar

 

AISI 4140 alloy steel round bar  is a Chromium-Molybdenum through-hardening steel of medium hardenability. It is a general purpose high-tensile steel with medium strength level and good impact properties.

 

Quenching and Tempering, abbreviated as Q&T is a king of processing that strengthen or harden steel bars by heating the materials and then cooling in water, oil or other liquid medium, that rapidly the change from austenite to perlite to get the proper properties for various usage. The quenched & tempered steel bar materials are usually with carbon from 0.30% - 0.60%, it is widely used as merchant bars in components of various machines.

Aisi 4140 round steel bar material quenched and tempered q&t steel bar we supply includes following advangtages:

Consistent mechanical properties

Deep mechanical properties (from surface to the center according to your requirement)

Even hardness on the whole bars/Tougher and Increased strength

No brittle, UT testing/Precision size tolerance/Good straightness

Good Roughness/Professional technical service/Competitive price/Fast delivery

Aisi 4140 round steel bar material quenched and tempered q&t steel bar we supply:

1. Brief introduction:

Product	Steel round bar	12mm to 150mm
	Steel square bar	16*16mm to 150*150mm
	Hexagonal steel bar	14mm to 150mm
Delivery condition	Hot rolled + Q&T, cold drawn + Q&T, Q&T+ Peeled, Q&T+ Peeled+ Grinding
Surface treatment	Quenching and Tempering,Shot blasting, Straightening,Cold drawing, Peeling & Turning, Grinding
Sizes tolerance	ISO898 for hot rolled,h9, h10, h11 for cold drawn and peeling
Certificate	ISO9001
MOQ	1 ton each diameter according to stocks
Delivery time	Within one month in general
Payment term	T/T, L/C, D/P etc.

2. Aisi 4140 round steel bar material:

GB	ASTM/SAE/AISI	DIN	SCM	AS /NZS1444
42CrMo	Aisi 4140 / sae 4140 / astm 4140	42CrMo4 / 42CrMoS4	SCM440	AS4140

3. Aisi 4140 round steel bar composition:

Materail
ASTM/SAE/AISI	C	Si	Mn	S	P	C	M
Aisi 4140 / sae 4140 / astm 4140	0.38-0.43	0.15-0.35	0.75-1.00	0.035 max	0.035 max	0.80-1.10	0.80-1.10

4. Aisi 4140 round steel bar mechanical properties:

Mechanical Properties
Yield Strength (MPa)	Tensile Strength (MPa)	Elongation	Reduction of area	AKV (J)
930 min	1080 min	12% min	14% min	63 min

 

Q&T Application

Q&T steel bars are widely used to produce various components such as:
Bolts:

high strength stud bolt, threaded rods, wind power bolt, prestressed anchor bolts, post stressed anchor bolt, steel tie rod, tie bar, tension rod, tension bar etc.

Shafts: shaft, axle shaft, crankshaft, shaft for sleeve, linear shaft, pump shaft, rotor shaft, sensor shaft, spline shaft, drive shaft, mandrel shaft, transmission shaft, screw rod etc.

Hydraulic components:hydraulic shafts, piston rod, flanges, gear, pin etc. 

Raw materials steel bars used for CNC machines, precision CNC machines etc.

 

Mould: Ejector pins and Ejector rods

 

Production Process

 

Production Facilitie

Inspection

Company Information

Established in April, 2009, under the leadership of the builder who is specialized in steel producing for 25 years, with rich steel technology and knowledge, LAIWU LE REN TRADE CO., LTD. Forges one professional steel exporting team and builds one steel further processing factory.

 

Supplying professional Service

Our management philosophy: To exceed customers’ expectation; To realize employees’ dream. As a processional steel exporting company, we aim to help the customers to create the commercial value by supplying steel solutions, to solve customers’ pain points and to supply efficient, thoughtful and professional service.

Focusing on high-quality goods

Our steel processing factory, SHANDONG LE SHAN MACHINERY CO., LTD aims to provide personalized demand products with good mechanical properties. Our factory is equipped with advanced machines such as cold drawing machines, peeling machines, fine straightening machines, fast cooling cutting machines, centerless grinding machines, continuous annealing furnaces, medium frequent Q&T machines, Ultra testing and Eddy current testing assembly line and complete testing equipment in Lab under the guidance of ISO9001 Quality Management System. Our products are widely used in the high strength and prestressed projects in industries of oil & gas, petrochemical, bridge, tunnel, wharf, steel structure construction etc. The annual productivity is 40,000.00 tons

 Certificate