Products

Chase produces bright steel bars in a variety of sizes and shapes manufactured according to various specifications of steel conforming to BSS, EN series, SAE, ISI, DIN and AISI standards.

Round Bars in Mild Steel, Alloy Steel, Carbon Steel, Free Cutting Steel & Stainless Steel

PRODUCTION SIZE (mmØ) SIZE INCHES SIZE TOLERANCE LENGTH LENGTH TOLERANCE (mm)
Cold Drawn & Polished 5 - 75 3/16” – 3” h9 (DIN 671), h11 (ASTM A 484) 3, 4, 5.6, 5.8 or 6 Meters -0/+50, -0/+100 or -0/+200
Cold Drawn, Polished & Centreless Ground 8 - 75 5/16” – 3” h7 h8 h9 (DIN 671), h11 (ASTM A 484) 3, 4, 5.6, 5.8 or 6 Meters -0/+50, -0/+100 or -0/+200
Peeled & Polished 25 – 100 1” – 4” h11 (ASTM A 484) 3, 4, 5.6, 5.8 or 6 Meters -0/+50, -0/+100 or -0/+200
Peeled, Polished & Centreless Ground 25 - 75 1” – 3” h11 (ASTM A 484) 3, 4, 5.6, 5.8 or 6 Meters -0/+50, -0/+100 or -0/+200

Hexagonal Bars in Mild Steel, Alloy Steel, Carbon Steel, Free Cutting Steel & Stainless Steel

PRODUCTION SIZE (mmØ) SIZE INCHES SIZE TOLERANCE LENGTH LENGTH TOLERANCE (mm)
Cold Drawn & Polished 7 - 50 ¼” – 2” h11 (ASTM A 484) 3, 4, 5.6, 5.8 or 6 Meters -0/+50, -0/+100 or -0/+200

We can give superior surface finish and straightness tolerance for pump shaft quality by additional processes such as straightening, belt polishing and centreless grinding.


Grades

GRADES SPECIFICATION TYPICAL APPLICATION
Mild Steel & Carbon Steel Structural Steel 1008, 1010, 1015, 1018, EN3B, EN8,1038, EN8D, C45,S45C,1045, EN9 AISI BIS BS970 DIN17100 General Engineering Purpose
Free Cutting Steel EN1A, EN1A(Lead)/ 12L14,EN8M, EN15AM, etc. BS 970 Part 1 High machinability, used in automatic and CNC machines for mass production of components like Engine Shafts, Connecting components, Connecting rods, Spindles etc.
Alloy Steel 16MnCr5, 20MnCr5, EN19C,EN 24,EN 353, SAE4140 etc. DIN 17210 BS 970 Diverse applications for manufacture of components for automobiles like Piston Rods, Crank Shafts, Steering Components etc.
Spring Steel EN45A,60SiCr7, SUP6, SUP9, SUP11A etc. DIN 17221 BS 970 JISG 4801 Used in manufacturing of springs and components for suspension mechanism in Automobiles & Railways. As Anti- Roll and Torsion Bars for automobiles.
Bearing Steel SAE 52100, EN31 SAE 1976 Excellent hardness and fatigue properties after heat treatment. Used in manufacturer of all types of antifriction bearings.
Stainless Steel Austenitic
201, 202,204Cu, 304, 304L, 303, 316, 316L
Martensitic
AISI 403, AISI 410, AISI 420, AISI 416, AISI 431
Ferritic
AISI 430, AISI 430F
AISI Martensitic
Pump Shafts Valve Stems Fasteners Surgical Instruments
Ferritic
Automotive Exhaust and Fuel Lines Architectural Trim Cooking Utensils Bank Vaults

Stainless steel grades

Grades (Austenitic)

AISI TYPE CHEMICAL COMPOSITION ( % ) COMMON CHARACTERISTICS & APPLICATIONS
C Mn Si Cr Ni Mo OTHER
201 0.15 5.5 - 7.5 1.00 16.00 - 18.00 3.50 - 5.50 - N:0.25 max
202 0.15 7.5 - 10.0 1.00 17.00 - 19.00 4.00 - 6.00 - N:0.25 max Tubular Furniture Hospital Care Decorative Parts
204 CU 0.08 6.5 - 8.5 2.00 16.00 - 17.00 1.50 - 3.00 0.30 MAX N:0.25 max Cu: 2.0-3.0

Grades (Austenitic)

AISI TYPE CHEMICAL COMPOSITION ( % ) COMMON CHARACTERISTICS & APPLICATIONS
C Mn Si Cr Ni Mo OTHER
303 0.15 2.00 1.00 17.0 - 19.0 8.0 - 10.0 - S 0.15 min Free machining grade for high speed repetition machining
304 0.08 2.00 1.00 18.0 - 20.0 8.0 – 10.50 - - Standard 18/8 austenitic grade. Very good fabrication characteristics with high corrosion resistance
304L 0.030 2.00 1.00 18.0 - 20.0 8.0 – 12.0 - - Good resistance to intergranular corrosion for heavy section welding and high temperature applications.
316 0.080 2.00 1.00 16.0 - 18.0 10.0 - 14.0 2.0 - 3.0 - Higher resistance than 304 to general corrosion and pitting.
316L 0.030 2.00 1.00 16.0 - 18.0 10.0 - 14.0 2.0 - 3.0 - Good resistance to intergranular corrosion for heavy section welding and high temperature applications.
316Ti 0.080 2.00 1.00 16.0 - 18.0 10.0 - 14.0 2.0 - 3.0 N 0.10 Ti5x(C+N)- 0.70 Titanium stabilished 18/8 steel for high temperature applications.
321 0.080 2.00 1.00 17.0 - 19.0 9.0 - 12.0 - Ti5x C Min Titanium stabilished grade resists intergranular corrosion For high temperature application.

Grades (Ferritic & Martensitic)

AISI TYPE CHEMICAL COMPOSITION ( % ) COMMON CHARACTERISTICS & APPLICATIONS
C Mn Si Cr Ni Mo OTHER

Ferritic

430 0.12 1.00 1.00 16.0 - 18.0 - - - Good combination of corrosion resistance and formability Non hardenable, used for cold headed fasteners.

Martensitic

410 0.15 1.00 1.00 11.5 - 13.5 - - - Hardenable to achieve best strength and corrosion resistance.
416 0.15 1.25 1.00 12.0 - 14.0 - - S 0.15 min Free machining hardenable grade. corrosion resistance not as good as for 410.
420 0.16 - 0.25 1.00 1.00 12.0 - 14.0 - - - Higher carbon content than 410 gives higher hardness for cutlery knife blades, dies and surgical instruments. Also used for pump shaft.
431 0.20 1.00 1.00 15.0 - 17.0 1.25 - 2.50 - - High Strength, excellent toughness and corrosion resistance similar to that of 304. Used for pump shafts, bolts and valve components.