440C stainless steel bar

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Stainless Steel Bar

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Product Usage

Type 440C (UNS S44004) is a martensitic stainless steel with high carbon and chromium content. Molybdenum improves the steel deep hardening and toughness. It also enhances wear resistance. After heat treatment, it is capable of attaining the highest strength, hardness and wear resistance of all stainless alloys often used in:Cutting Instruments,Knife Blades,Surgical Instruments,Chisels,Measuring instrumentsBall Bearings and Valves,etc

Product Specification

Item		stainless steel bar
Material		303Cu 304,304L,309S,310S,316,316L,316Ti,317,317L,321,347H,201,202,405,409, 410,420,430,430F,440Cetc
Type		Round,square,hexagonal,flat,angle
Surface		Pickled,Black,Bright,Polishing,Blasting,etc
Specification	Round bar	Diameter: 3mm~800mm
	Angle bar	Size: 3mm20mm20mm~12mm100mm100mm
	Square bar	Size: 4mm4mm~100mm100mm
	Flat bar	Thickness: 2mm~100mm
		Width: 10mm~500mm
	Hexagonal	Size: 2mm~100mm
Quality test		we can offer MTC (mill test certificate)
MOQ		500 kilograms
Payment terms		L/C T/T (30%DEPOSIT)
Stock or not		enough stock
Packing		Bundled,wooden box for export standard package
Delivery time		7-15 dyas,or according to the order quantity or upon negotiation

Chemical Composition

Grade		C	Mn	Si	P	S	Cr	Mo	Ni	N
440C	min. max.	0.95 1.20	- 1	- 1	- 0.04	- 0.030	16.00 18.00	- 0.75	-	-

Mechanical Behavior

Tempering Temperature (°C)	Tensile Strength (MPa)	Yield Strength 0.2% Proof (MPa)	Elongation (% in 50mm)	Hardness Rockwell (HR C)	Impact Charpy V (J)
Annealed*	758	448	14	269HB max#	-
204	2030	1900	4	59	9
260	1960	1830	4	57	9
316	1860	1740	4	56	9
371	1790	1660	4	56	9
* Annealed properties are typical for Condition A of ASTM A276# Brinell Hardness is ASTM A276 specified maximum for annealed 440A, B and C.

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