1020. the first digit indicates that this is plain carbon steel. Steels Medium Manganese steel .20-.30 300-500 SAE T 1330 steel .30 400-600 SAE T 1340 steel .40 500-800 SAE T 1350 steel .50 600-900 12% Manganese steel 1.25 Usually not required High Tensile Manganese moly steel .20 300-500 Steels Manten steel .30 max 400-600 Armco high Tensile steel .12 max Up to 200 Mayari R steel .20 max Up to 300 ; Alro’s on hand inventory is unmatched in the industry in both variety and quantity. It is a feminine metal, a symbol of purity and is connected to the goddesses and spirits. Hardness symbol Indenter type Total test forceF/N（kgf） Hardness range Applications; HRA: 120°diamond cone: 588.4(60) 20~88: Hard alloy, carbide, shallow case hardening steel and etc. 1(a) Product Identifier used on Label: Carbon and Alloy Steel Rod or Bar 1(b) Other means of identification: Refer to Section 16 for product synonyms. Steel in general is an alloy of carbon and iron, it does contain many other elements, some of which are retained from the steel making process, other elements are … ; Since 1948, Alro has been focused on exceeding our customers’ expectations. It is one of the most versatile metals, one of the 3 base metals in Alchemy. Carbon or alloy steel with or without boron: 1/2" thru 1-1/2" 85,000: 92,000: 120,000: Stainless Markings Vary: 18-8 & 316 Stainless Steel alloy with chromium and nickel: All sizes thru 1" N/A: 20,000 Min. Steel Alloy 4340 - Normalized (@870 °C) 862 (125) 1280 (185.5) 12.2: Steel Alloy 4340 - Oil-quenched and tempered (@315 °C) 1620 (235) 1760 (255) 12: Supplements: Link: Usage: Yield strength of steel table: Yield strength values for various steel alloys: Reference: Callister.W.D,JR. Your one stop shop. Alloy steel is a class of steel that, in addition to carbon, is alloyed with other elements, ranging from 1 wt.% to 50 wt.%, which are used to enhance the material’s various properties [1].. Alro stocks metals, industrial supplies and plastics. These elements commonly include manganese, nickel, chromium, molybdenum, vanadium, silicon, and boron. 65,000 Typical: 65,000 Min. ; Shop 24/7 with Alro. ; Over 70 locations in 12 states means high quality service and fast delivery to you. 1(c) Recommended use of the chemical and restrictions on use: These products are sold to all steel-consuming industries including automotive, Pearlite is a two-phased, lamellar (or layered) structure composed of alternating layers of ferrite (87.5 wt%) and cementite (12.5 wt%) that occurs in some steels and cast irons.During slow cooling of an iron-carbon alloy, pearlite forms by a eutectoid reaction as austenite cools below 723 °C (1,333 °F) (the eutectoid temperature). 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