Alloy Steel Products

We produce ASTM/ASME Grade 304, Grade 304L,304h, 316, 316L, 316H, 316TI, 321, 321H, 309S, 309H, 310S, 310H, 410S, 2205, 904L, 2507, 254, gh3030, 625, 253MA, S30815, 317L, Type 317, 316lN, 8020, 800, 800H, C276, S32304 and others special requirement stainless steel grade.

Choosing the correct filler steel for 4130 and 4140 steels is determined by the condition of the fabric before welding, the element design requirements and the desired condition of the fabric following welding. For material left within the as-welded or post-weld stress-relieved circumstances, matching the tensile strength of the base metal as-equipped is a common figuring out factor during filler steel choice. Repairing 4130 or 4140 metal is usually more difficult than new fabrication with the materials since the part being repaired can be worn, greasy or dirty.

On the opposite hand, 416R is a Crucible model or “designer” metal. 416R chromium stainless-steel was formulated by Crucible Steel just for barrel applications. Normal grade 416 stainless steel just isn’t designed for use in colder temperatures, but 416R was designed to capable of use in temperatures right down to -40F.

It is mainly beneficial that welding of AISI 4140 steel within the hardened and tempered situation ought to be averted as it modifications the mechanical properties throughout the weld heat affected zone. Likewise welding within the nitrided, flame or induction hardened condition isn’t beneficial. However welding of AISI 4140 chrome-molybdenum metal in the annealed condition is extensively preferred.

Weldability

• For materials left within the as-welded or submit-weld stress-relieved conditions, matching the tensile strength of the bottom metal as-supplied is a standard determining factor throughout filler metal selection.
• Choosing the right filler metal for 4130 and 4140 steels depends on the situation of the fabric earlier than welding, the element design necessities and the specified situation of the material following welding.
• Repairing 4130 or 4140 metal is usually extra difficult than new fabrication with the supplies because the component being repaired could be worn, greasy or dirty.

Cold Rolled,Hot Rolled Stainless steel Plate and sheets

Our stainless production range

In these instances, localized annealing or normalizing across the weld earlier than repair may help, however bear in mind that this affects the material’s power. A hardfacing product could also be needed if surface hardness was a main consideration. If restoring base materials power is critical, it can be conditioned once more using thermal treatment after the restore. Their energy makes 4130 and 4140 steels nicely-suited to elements corresponding to gears that require excessive energy and sturdiness. However, the higher carbon, chromium and molybdenum levels that make these materials strong and highly hardenable also make them extra susceptible to cracking.

Speaking of carbon, the last 2 numbers in the metal names (forty one”forty” and 41”50”) are the amounts of inner carbon content material. Meaning the 4140 metal has a zero.40% carbon content and the 4150 has a 0.50% carbon content material. 4150 is generally used for components that must be tougher, have more energy, and better hardness than 4140 can provide. 4140 is mostly used for automotive parts which might be normal sizes and require an honest quantity of strength and hardness.

Grade 416R Crucible Steel is designed with a tighter grain construction. The 416R metal is what I choose for my functions, nonetheless if finances is a concern, than an alternative choice could be higher for you. 4140 is a chromium and molybdenum alloy metal that has an excellent weight to energy ratio. Although it’s chromium steel and sometimes called “chromoly steel”, it doesn’t comprise as a lot chromium as chrome steel. Therefore the corrosion resistant is improved in comparison with standard steel however not to the same diploma as stainless steels.

What Is 4140 Steel?

The objective of the molybdenum is to add uniformity of hardness and power to this alloy. 4140 responds readily to heat therapy and is comparatively easy to machine within the heat handled situation.

We have thousands tons stock of stainless steel sheet and coil with various size and grade,mainly include austenitic stainless steel, martens stainless steel (including precipitation hardened stainless steel sheet & coil), ferritic stainless steel, and duplex stainless steel.

Characteristics of Stainless Steel Sheet and Plate:
High corrosion resistance
High strength
High toughness and impact resistance
Temperature resistance
High workability, including machining, stamping, fabricating and welding
Smooth surface finish that can be easily clean