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Annealing AISI 4140 Heat Treatment Steel Round Bar

Here's our portfolio of cooperating steel mills. The mills are sorted in alphabetical order. If you wish to see exactly where our mills are located. You'll notice the majority of our mills are in the North of China, making it convenient for us to visit them from our Head Office in Shanghai.
Mill NameLocationSteel ProductsIntroduction
angang Anshan, Liaoning Province Hot Rolled Coil
Hot Rolled Sheet
Cold Rolled Coil
Cold Rolled Sheet
Galvanized Steel Coil
Galvanized Steel Sheet
Galvalume Coil
Galvalume Sheets
PPGI
PPGL
Angang Steel is the second largest steelmaker in China. Angang has ISO 9001 Quality Management System Certification, the Certification for Ship Plate Production by the classification societies of nine countries, the API approval of Oil Country Tubing, Certificate for Building Materials with approved usage of the CE marking by Lloyd's Register Quality Assurance, and the Certifications of ISO 14000 Environmental Management System and GB/T28001 Occupation Safety and Health Management System.
baolai Tianjin ERW Pipe
Square Tube
Rectangular Tube
Circular Tube
Galvanized Pipe
Baolai are specialized in ERW Pipe, Line Pipe, Hollow Sections and Galvanized Pipe. Baolai have obtained the certificate of API ISO9001 and AD2000-WO.
baosteel Shanghai Hot Rolled Steel
Cold Rolled Steel
Galvanized Steel
Galvalume Steel
Prepainted Steel
Steel Pipe
Steel Tube
Baosteel is China’s largest and most world famous state owned Steelmaker, producing high-tech Steel Products with high added values. The three major product series are namely straight Carbon Steels, Stainless Steels and Special Steels. Baosteel Entered Fortune Global 500 for 8 years in a row. Passed ISO9001, OHSAS 18000,ISO14001, CQC, 2011 SVHC certificate, ROHS, CCS, DNV.
benxi Benxi, Liaoning Province Cold Rolled Coil
Cold Rolled Sheet
Hot Rolled Coil
Hot Rolled Sheet
Galvanized Steel Coil
Galvanized Steel Sheet
Benxi Iron & Steel was established in 1905. It is a sizable State-Owned Steel Enterprise with a history of more than a century. Passed the CE Certification by the European Union; Shipbuilding Steel Plate has passed through the classification society authentication of 9 countries.
guanzhou Guanxian, Shandong Province Corrugated Galvanized Steel Guanzhou is located in Guanxian, Shandong Province. Guanxian is right next to Liaocheng. Guanzhou specialize in cold rolled sheet, galvanized sheet, PPGI sheet and corrugated sheets. Guanzhou strive to be the best which prompted them to invest heavily in advanced galvanized coil and PPGI coil production lines designed by the Central Iron & Steel Institute.
guoyang Qinhuangdao, Hebei Province Angle Iron
Steel Channel
IPE
H Beam
Flat Bar
Guoyang Steel hold CE Certification issued by the European Union, have passed the ISO9001 Quality Management System and have an annual output of 600,000t. The Steel Products mainly include JIS Steel Channel, IPE/IPEAA and JIS Angle Iron.
lida Tianjin Galvanized Pipe
ERW Pipe
Lida are specialized in Galvanized Pipe, ERW Pipe, Line Pipe and Steel-Plastic Compound Pipe. The factory covers an area of 45,000 square meters and the asset of the factory is 75 million RMB. Passed ISO9000 and hold API Certification.
ly Loudi City, Hunan Province Galvalume Steel
Hot Rolled Coil
Cold Rolled Coil
LY Steel was established and put into operation in 1958. Since then it has generated an annual production capacity of 8 million tons, with total assets of RMB 37.8 billion RMB and around 15,900 employees on duty. The sales revenue reached 31.6 billion RMB in 2010. LY Steel has become the major Steel Sheet production base in Central South of China, boasting the integrated and modern process of coking, sintering, iron making, Steelmaking and Steel Rolling. The CSP line and 2250mm Hot Strip Mill are the most advanced lines worldwide. LY Steel mainly produces Hot Rolled Coil and Cold Rolled Coil, with the addition of Medium and Small Sized Bars.
magang Ma Anshan, Anhui Province Hot Rolled Coil
Hot Rolled Sheet
Cold Rolled Coil
Cold Rolled Sheet
Galvanized Steel Coil
Galvanized Steel Sheet
PPGI
PPGL
Hot Rolled Steel Plate
H Beam
Angle Iron
Steel Channel
Masteel is one of China’s largest State Owned Steelmakers with a Steel Production capacity of 16 million tons, employees of 60,000 and total assets of RMB 76 billion. Masteel is an extra large-sized Iron and Steel complex and an important Steel Product Production Base in China. At present, Masteel owns the top production lines in the world for Cold Rolled and Hot Rolled Steel, Galvanized Steel, Prepainted Steel and H Beam.
niutou Tianjin ERW Pipe
Galvanized Pipe
Niutou, also known as Feilong have a factory covering an area of 40 hectares, with a construction area of 50,000 square meters. The asset of the factory is 140 million RMB. Its main business is ERW Pipe and Galvanized Pipe. Passed ISO9001, API and CE certification. In 2008 the company exported 50,000 tons of Welded Tubes and saw profits of 30 million US Dollars.
shagang Zhangjiagang, Jiangsu Province Hot Rolled Steel Plate
Hot Rolled Coil
Hot Rolled Sheet
Shagang Group is China’s largest privately owned Steel Maker. The Mill’s Hot Rolled Coil has passed CE Certification by the European Union; Shipbuilding Steel Plate has passed through the classification society authentication of 9 countries.
shenda Tangshan, Hebei Province Steel Channel
Angle Iron
Shenda Steel, founded in July 2000, has an annual output of 50,000t. The products mainly consist of JIS Steel Channel and Angle Iron. Shenda has more than 800 employees with a land area of 81,000m2 and fixed assets of RMB160 million.
shengcai Tangshan, Hebei Province Equal Angles
Unequal Angles
Steel Channel
Shengcai Steel is focused on Quality Management, with the company consistently passing ISO9001-2000. The company has a land area of 452,800sq.m, building area of 15,000sq.m, fixed assets of RMB 120 million, five production lines, and enjoys an annual production capacity of 700,000 tons of Steel.
shenheng Tangshan, Hebei Province Equal Angles
Unequal Angles
Steel Channel
H Beam, IPE
Square Tube
Rectangular Tube
Circular Tube
Galvanized Pipe
Hot Rolled Steel Plate
Hot Rolled Coil
Hot Rolled Sheet
Cold Rolled Coil
Cold Rolled Sheet
PPGI
PPGL
Shenheng Steel was established in 1992, possess fixed assets of 150 million RMB and keeps annual output value of 2.5 billion RMB. Shenheng owns production facilities and warehouses of 88,000m2 and employ more than 500 people. Passed the ISO9001 Quality Management System.
shougang Caofeidian, Hebei Province Hot Rolled Steel Plate
Hot Rolled Coil
Hot Rolled Sheet
Cold Rolled Coil
Cold Rolled Sheet
Galvanized Steel Coil
Galvanized Steel Sheet
Galvalume Coil
Galvalume Sheets
Shougang Group is a State Owned Company based in Caofeidian, Hebei Province. It mainly focuses on Steel and Iron production but also engages in other industries, such as mining, mechanism, electronics, construction, real estate, service and foreign trades. Shougang has sales revenues of over 100 billion RMB and annual Steel Production of over 15 million tons, with nearly 80,000 employees. Its’ main products include High Strength Structural Plates and Hot Rolled Steel Plate for Pressure Vessels.
tianjin steel Tianjin Hot Rolled Steel Plate Tianjin Iron & Steel Group, founded in 1935, (formerly named Tianjin Steel Plant) is a wholly State Owned Enterprise specialized in sintering, Iron Smelting, Steel Making, Continuous Casting and Rolling. Tianjin Iron & Steel has an annual capacity of 1.2m tons of Steel. Its’ Medium Plate has passed through the ISO-9002 Quality Certification, with its’ Ship Plate and Medium Plate having been accredited by Lloyd's in U.K.
tianjin pipe Tianjin Seamless Pipe TPCO is one of the top 500 enterprises in China foreign trade. Specialized in OCTG, Seamless Pipe, Line Pipe, Boiler Tube, Cylinder Pipe, Hydraulic Support Pipe, Structural Pipe, Slotted Pipe and other Special Pipes. Have obtained ISO9001, ISO14001, API Certificate, OHSMS-18001.
wuhan Wuhan, Hubei Province Hot Rolled Coil
Hot Rolled Sheet
Hot Rolled Steel Plate
Cold Rolled Coil
Cold Rolled Sheet
Galvanized Steel Coil
Galvanized Steel Sheet
PPGI
PPGL
Steel Sections
WISCO has an annual production capacity of 20 million tons, ranking the third of the same in China, and the sixteenth of the same all over the world. The Group Corporation now has 20 wholly-owned affiliated companies, 7 share-holding companies, 4 branch companies, 2 factories directly under WISCO’s leadership, 2 collectively-owned enterprises, 1 listed share holding company, i.e. Wuhan Iron and Steel (Group) Corporation, limited, 12 wholly-owned companies entrusted to second level companies for the management, and 11 share-holding companies. The register capital of WISCO is 4.74 billion RMB, and the total estimated capital of 2005 is 72.2 billion RMB (incl. Echeng Iron & Steel Company, but excl. Liuzhou Iron & Steel Company). WISCO staffed approximately 83,735 employees.
xincheng Tangshan, Hebei Province Equal Angles
Unequal Angles
Steel Channel
IPE
H Beam
Steel Tube
Xincheng Steel passed the ISO9001 Quality Management System; main Steel Products currently include Angle Iron, Steel Channel, IPE, H Beam and Steel Tube. Steel is as following: GB Standard of Steel Channel from 5# to 32#, ASTM standard Steel Channel from 1.5 inches to 12 inches, JIS Standard Steel from 7.5# to 25#, Equal Angles and Unequal Angles with the width from 20mm to 200mm.
youfa Tianjin ERW Pipe
Galvanized Pipe
Square Tube
Rectangular Tube
Circular Tube
Hot Rolled Coil
YOFA have passed ISO9001 and ISO14001. Their main Steel Products include ERW Pipe, Galvanized Pipe, LSAW, Line Pipe, Square Tube, Rectangular Tube, Circular Tube, Band Steel and Hot Rolled Coil. Passed ISO9001; ISO14001.
yuefeng Tangshan, Hebei Province Equal Angles
Unequal Angles
Yue Feng has an annual output of iron 1,000,000 tons with total assets of 500,000,000 RMB and 2100 workers. Hold ISO90001:2000 International Quality System Certification.
zhongguan Liaocheng, Shandong Province Corrugated Galvanized Stee Zhongguan is located in the famous "water city", Liaocheng, north of the Yangtze River. Zhongguan specialises in guardrail, posts, galvanised corrugated steel and other hot dipped galvanized products that require resistance to the elements. The company covers an area of 16.7 acres, with the production department taking up 15,000 square meters. They have six automatic production lines with an annual output of around 100,000 metric tons.
zhongtian Liaocheng, Shandong Province Corrugated Galvanized Stee Zhongtian is located in Liaocheng city, which is a stones throw away from various railways and highroads that give it excellent linkage to Beijing, Hebei and Henan. As one of Shandong's growing metallurgical enterprises, Zhongtian produce cold rolled sheets, galvanized steel sheets, PPGI sheet, corrugated steel sheet and various mechanical equipments. With the support of Beijing Steel & Iron Research Institute they have a strong technical force, advanced equipment and stable quality performance. Zhongtian produce around 50,000 tons of corrugated steel sheet annually.

AISI/SAE 4140 datasheet,AISI/SAE 4140 …

Technical specification of SAE/AISI/UNS system standard alloy structural steel AISI 4140 data sheet, SAE 4140 Chemical compositions, AISI 4140 Mechanical properties from Steelmaking, ESR melted, Blooming, Hot forging,Hot rolling,Heat treatment, Straightening, 100% Ultrasonic test, Cold working, Peeled or rough turned machining.2016-4-20

Good Quality Scm440/4140 1.7225 Alloy …

Fabrication and Heat Treatment Machinability. AISI 4140 alloy steel has good machinability in the annealed condition. Forming. AISI 4140 alloy steel has high ductility.

AISI 4135 Steel | SCM435 | 35CrMo | 1.7220 …

YaoTeng Steel are stockholders and suppliers of 4135 alloy steel round bar and flat sections which can be sawn cut to your required sizes. 4135 ground steel bar can be supplied, providing a high quality alloy steel precision ground alloy steel bar to your required tolerances. 4135 alloy steel is also available produced as Ground Flat Stock ...

AISI 4130 Alloy Steel - West Yorkshire Steel

Forging. Preheat carefully, then raise temperature to 950-1200°C for forging. Do not forge below 950°C. Annealing. Heat the AISI 4130 slowly to 850°C and allow enough time for the steel to be thoroughly heated.· 2018-5-1

4140 steel specs - steel round bar, square bar

4140 steel specs, US $ 650 - 900 / Metric Ton, 42CrMo4 42CrMo AISI4140 1.7225, AISI, ASTM, BS, DIN, GB, JIS, 20mm-160mm.Source …

AISI 4340 Steel | W-Nr. 1.6511 | DIN …

3.Heat treatment of AIS 4140 steel grade. Annealing; Heat to 844°C (1550°F), then cooling in the furnace. Welding; AISI 4340 alloy steel can be welded using fusion or resistance welding methods.

AISI 4130 Steel | 25CrMo4 | 1.7218 | 708A25 …

AISI 4130 steel is a medium carbon, low alloy steel in ASTM A29 standard. 4140 steel is also commonly referred to as a chromoly steel, or chrome moly steel.2018-4-27

EN19 Steel | 4140 | 1.7225 | SCM440 | …

1. Form of Supply. DIN EN19 Alloy structural steel, we can supply the EN19 steel round bar, steel flat bar, plate, hexagonal steel bar and steel square block.

Heat Treatment - Sahamit Machinery Public …

Heat Treatment is the company's new service to fulfill the one stop service strategy and add value to our products by using the latest technology available to serve customers.2018-4-29

AISI 8620 Steel | 1.6523 | 21NiCrMo2 | …

6. ASTM 8620 Steel Heat Treatment. Annealing ; AISI 8620 steel may be given a full anneal by heat to 820℃ – 850℃, and hold until temperature is uniform throughout the section and cool in furnace or air cooled.2018-4-29

ALLOY | Castle Metals Site

The benefits of alloy steel include its tensile strength, yield strength, fatigue resistance, toughness, and wear resistance. Castle offers a broad array of alloys and product forms in aircraft, commercial, bearing, and VAR qualities including bar, plate, sheet, and tube

Product Manual - Encore Metals

2016 Product Manual 1 . Table of Contents DISCLAIMER .....· 2016-5-7

a36/1.2601/d5/st37-2 equivalent steel …

the details of our Cr12MoV Steel. 1.Produce Standard: as the GB, AISI, ASTM, SAE, EN, BS, DIN, JIS Industry Standard 2. Produce processes: Smelt Iron -EAF smelt Billet - ESR smelt Billet -Hot rolled or forged get the steel round bar and plate

Heat Treating Steel - Hardening and …

Annealing is the softening of metal by heat treatment.. Ferrous metals are annealed by heating to just above the A3 point (a point above non-magnetic that varies with the carbon content), and then cooling slowly.

Product Manual - Encore Metals

2016 Product Manual 3 Hot Rolled Carbon and Alloy Bars..... 119· 2016-4-1

H Fundamentals of Heat Treating: Ideal Diameter

quantitative measure of a steel’s hardenability is expressed by its DI, or ideal diameter, value. This abbreviation comes from the French phrase “diamètre idéal” and refers to …· 2011-5-16

AISI/SAE 4140 datasheet,AISI/SAE 4140 …

Technical specification of SAE/AISI/UNS system standard alloy structural steel AISI 4140 data sheet, SAE 4140 Chemical compositions, AISI 4140 Mechanical properties from Steelmaking, ESR melted, Blooming, Hot forging,Hot rolling,Heat treatment, Straightening, 100% Ultrasonic test, Cold working, Peeled or rough turned machining.2016-4-20

Good Quality Scm440/4140 1.7225 Alloy …

Fabrication and Heat Treatment Machinability. AISI 4140 alloy steel has good machinability in the annealed condition. Forming. AISI 4140 alloy steel has high ductility.

AISI 4135 Steel | SCM435 | 35CrMo | 1.7220 …

YaoTeng Steel are stockholders and suppliers of 4135 alloy steel round bar and flat sections which can be sawn cut to your required sizes. 4135 ground steel bar can be supplied, providing a high quality alloy steel precision ground alloy steel bar to your required tolerances. 4135 alloy steel is also available produced as Ground Flat Stock ...

AISI 4130 Alloy Steel - West Yorkshire Steel

Forging. Preheat carefully, then raise temperature to 950-1200°C for forging. Do not forge below 950°C. Annealing. Heat the AISI 4130 slowly to 850°C and allow enough time for the steel to be thoroughly heated.· 2018-5-1

4140 steel specs - steel round bar, square bar

4140 steel specs, US $ 650 - 900 / Metric Ton, 42CrMo4 42CrMo AISI4140 1.7225, AISI, ASTM, BS, DIN, GB, JIS, 20mm-160mm.Source …

AISI 4340 Steel | W-Nr. 1.6511 | DIN …

3.Heat treatment of AIS 4140 steel grade. Annealing; Heat to 844°C (1550°F), then cooling in the furnace. Welding; AISI 4340 alloy steel can be welded using fusion or resistance welding methods.

AISI 4130 Steel | 25CrMo4 | 1.7218 | 708A25 …

AISI 4130 steel is a medium carbon, low alloy steel in ASTM A29 standard. 4140 steel is also commonly referred to as a chromoly steel, or chrome moly steel.2018-4-27

EN19 Steel | 4140 | 1.7225 | SCM440 | …

1. Form of Supply. DIN EN19 Alloy structural steel, we can supply the EN19 steel round bar, steel flat bar, plate, hexagonal steel bar and steel square block.

Heat Treatment - Sahamit Machinery Public …

Heat Treatment is the company's new service to fulfill the one stop service strategy and add value to our products by using the latest technology available to serve customers.2018-4-29

AISI 8620 Steel | 1.6523 | 21NiCrMo2 | …

6. ASTM 8620 Steel Heat Treatment. Annealing ; AISI 8620 steel may be given a full anneal by heat to 820℃ – 850℃, and hold until temperature is uniform throughout the section and cool in furnace or air cooled.2018-4-29

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