AISI 4140 Alloy Steel 4140 Round Bar Hot Rolled AISI 4140 Alloy Round Steel Bar

• Customization: Available
• Type: Alloy Steel Bar
• Standard: AISI, ASTM, GB, JIS, DIN, BS
• Application: Structural Steel Bar, Tool Steel Bar, Die Steel Bar
• Surface Treatment: Black
• Alloy: Alloy
• Special Use: Mold Steel
• Transport Package: Anti Rust
• Specification: M12-M310
• Production Capacity: 3000tons/Month

Product Description

Aisi 4140 Alloy Steel 4140 Round Bar Hot Rolled Aisi 4140 Alloy Round Steel Bar

Main Grade we can supply for forged steel bars

Steel series	Representative steel type
Carbon Steel series	AISI 1020,1045,A36,S355JR,S355JO
Petroleum machinery series	AISI4150,AISI4140,AISI4130,
	30CrMo,4145H
Tool mold series	1.2714,5CrMnMo,5CrNiMoV,
	1.2738,1.2311,1.2312
Bearing series	52100,GCr15,SUJ2
Marine series	4140,42CrMo,SCM440,
	709M40
Car series	SAE8620,20CrNiMo,
	SNCM220
Heavy-duty transmission series	40CrNiMo,SNCM439,
	SAE4340,EN24
Mining machinery series	655M13,826M40,
	25CrMo
Wind power gear series	18CrNiMo7-6, 17CrNiMo6, 1.6582,1.6587,SAE8620
Wind power spindle series	34CrNiMo6,817M40
Nitriding series	20MnCr5,38CrMoAl,
	31CrMoV9
Pressure vessel series	15CrMo,13CrMo4-4
Metallurgical roll series	21CrMoV511,W1.7225,
	EN19,709M40

 

2)Forged Steel Size we can supply:
Forged Steel Round Bar: Φ85mm~1200mm
Forged Square steel Bar: 150×150-800×800mm
Forged Flat Blocks: (150mm-800mm)*(200mm-800mm)
Forged Shaft and Forged Ringd: According to Customer's drawing

4)Inspecting: UTS according toSEP1921 C/c, D/d, E/e, A388 or GB/T 6402, Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,

3).Delivery Condition:
Forged+black surface
Forged+rough machined
Forged+rough turned+QT/annealed/normalized
4)Grain size: 6-8
5)Manufacture:EAF+LF+VD(Annealed,normalized,Quenched+Tempered,peeled,rough turned).
6)Heat Treatment: Normalized / Annealed / Quenched / tempered (optional)

6) About our factory:
Our main products include Forged Steel Round Bar from Sizes 85mm to 1100mm, Forged Steel Square Bar from Sizes 150×150 to 800×800mm with various grade ;The largest production steel ingot 15T, mainly forged alloy steel, carbon steel and other materials. The annual output of forged round can reach 60,000 tons. The products are widely used and can be supplied to users in metallurgy, chemical, hydraulic, port and marine machinery The main equipment includes a 2000-ton hydraulic press, a 3-ton electro-hydraulic hammer, a 2.5-meter ring rolling machine, and is equipped with large and small traveling machines, metalworking lathes, and multiple large and small sawing machines. The company now has more than 100 sets of production equipment from a whole set of processes from blanking, heating, forging to heat treatment and machining.