HEAT TREATMENT

Annealing:The microstructure for this alloy to give optimum machinability is one of course lamellar pearlite to coarse spheroidite. This might be obtained by austenitizing at 1380ºF (750ºC) followed by an iso anneal at 1250ºF (680ºC.)

Normalizing: A nominal normalizing temperature for this alloy is 1600ºF (870ºC.) This treatment is followed by air cooling

Hardening: Austenitize at 1475-1550ºF (800-845) and oil quench for small, intricate sections and water quench for large, simple sections.

Tempering: from 1000-1250ºF(540-680ºC) as per required properties.

Machinability: This alloy is readily machined from a coarse pearlite to a coarse spheroidite microstructure.

Weldability: The alloy may be welded but must be preheated and if possible the preheat should be maintained during welding. Welding should be carried out in the annealed condition, not on hardened and tempered material.

• GENERAL CHARACTERISTICS OF ALLOY STEEL 5150 Alloy 5150 is a medium-carbon, chromium steel with good strength, toughness and hardenability
• APPLICATIONS This alloy is used in the production of fprged components that are subjected to normal stresses for automotive and general engineering.
• FORGING This alloy would be forged between 2150 and 1600ºF ( 1175 and 870ºC.) The alloy should be slow cooled after forging or transferred to a furnace around the ‘finishing’ temperature.

AISI 5150 Alloy Steel (UNS G51500)

Introduction

Alloy steels contain many types of steels whose compositions are more than the limitations of C, Mo, Cr, Va, Mn, Ni, Si, and B fixed for carbon steels. These steels are more responsive to mechanical and heat treatments than carbon steels.

The following datasheet will provide details about AISI 5150 alloy steel.

Chemical Composition

The following table shows the chemical composition of AISI 5150 alloy steel.

Physical Properties

The physical properties of AISI 5150 alloy steel are outlined in the following table.

Mechanical Properties

The mechanical properties of annealed AISI 5150 alloy steel are provided in the table below.

Equivalent materials to AISI 5150 alloy steel are as follows.

1. ASME SAE5150,SAE5150H,SAE5155 Carbon steel, SAE5150 Stock , SAE5150 steel plate, SAE5150 steel plate , SAE5150H adopt standard , SAE5150H Technical delivery condition, SAE5150H Mechanical property , SAE5155 price , SAE5155 Impact degree, SAE5155 impact energy.

2. Standard: ASTM SAE5150 Carbon steel, SAE5150H stock , SAE5155 Steel Plate.

3.Min order requirement:3 tons or earlier according to the heat treatment requirement.

4.Adopt Standard: ASTM Standard Specification is Standard Carbon Steels.

5. Heat treatment situation or delivery status: Hot rolled, normalized, Annealing, Polishing..

6.Third Party :ABS ,DBV ,BV,GL,CCS,LR,RINA,KR,NK,CE,SGS,IKE,IEI or other quality department.

7.Test:Test Chemical Component Analysis, Mechanical properties, Technical properties. Exterior Size inspection .Nondestructive Test .Hydrostatic Test

8.Delivery time:5-30 days

9.Payment Term: T/T or L/C.

10.Trade Term: FOB ,FCA,CFR,CIF