• API 5CT N80 casing and tubing pipe
• API 5CT K55 casing and tubing pipe
• API 5CT J55 casing and tubing pipe
• EN10028-2 16Mo3 Boiler and Pressure Vessel steel Plate Notch impact energy
• EN10028-2 P265GH Pressure vessels steel equivalents
• EN 10210 S355J2H low alloy carbon structural steel
• EN 10210 S355J0H steel hollow materials
• GB/T 18248 34CrMo4
• GB/T 18248 35CrMo alloy steel
• 30CrMo steel Heat treatment, 30CrMo steel tube/pipe

4140 Seamless Mechanical Tubing

4140 Seamless Mechanical Tubing are medium carbon alloy grades, which are widely used for many general purpose applications that require high tensile strength and toughness.A519-4140 material is stocked in the annealed, normalized or quenched and tempered conditions. 4140 Seamless Mechanical Tubing with Superior tensile strength and toughness, High strength to weight ratio, Easily heat treatable to a broad range of strength, machinability, and hardness.

Chemical composition

Fe 96.7899 - 97.7699
Cr 0.8-1.1
Mn 0.75-1.0
C 0.38 - 0.43
Si 0.15-0.35
Mo 0.15-0.25
P 0.0 - 0.04
S 0.0 - 0.04

Mechanical behavior

Hardness, Rockwell B [HRB]
100.00 [ - ]

Tensile strength [Rm]
855.00 MPa

Yield strength [YS]
621.00 MPa

Katalor Enterprises has established a full set of strict quality control system, advanced manufacturing technics and equipments . As a 4140 stockist and supplier, if you have any demand of 4140 price, please do not hesitate to contact us.