Established In 1949

SHAH DANMAL HUKMAJI JAIN

228, Raviwar Peth, Metal Market, Near Subhanshah Gate Police Station, Pune - 411 002. Maharashtra State, India.
SINCE 1949 Office nos. : +91 - 020 - 24474058. Telefax : +91 - 020 - 24473243. Mobile No. : 9822519391 (Jitendra)

STAINLESS STEEL

Continuous cast products

Slabs: Cast in single strand slab caster of steel melt shop I. Liquid steel is produced through electric arc furnace-AOD Convertor/VOD-Ladle refining furnace route.
Blooms: Cast from twin stand bloom caster at Steel Melt Shop II. Liquid steel is produced through electric arc furnace-AOD convertor- ladle refining furnance route.
Size: 160 mm sq.
         200 mm sq.

Hot rolled products
HR coils: As cast/ ground slabs are first heated and soaked in reheating furnace, rolled in roughing mill to intermediate thickness and then to the final thickness in the steckel mill.
HRAP Coils: Hot rolled annealed pickled coils are produced after continuous annealing and pickling.
HRAP Plates: No1 finish plates are produced after annealing and pickling or by cutting hot rolled annealed pickled coils to desired lengths.

Cold rolled products
Cold rolled coils and sheets are produced after being processed in the 20 Hi Mill, continuous anneal & pickle line, skin pass mill slitting line and cut to length lines. Absolute flat sheets are produced after being put through the Voss leveller. Sheets & cold rolled coils are available in different finishes 2D, 2B, No3, No4 and BA

Blade steel
The company is the exclusive producer of stainless teel strips for making razor blades and surgical blades in India. The plant has a capacity to produce 10,000 metric tonnes per annum.
JSL can readily supply Stainless Razor Blade Steel as per the broad material specifications / details given below :

(a) Size :
Thickness = 0.10 mm (+/- 0.007 mm)
Width = 22.40 mm (+/- 0.03 mm) and upto 340 mm (Max.)

(b) Chemical Composition :
C = 0.6 to 0.7 %
Mn = 0.5 to 0.8 %
P = 0.028% Max.
S = 0.02 % Max.
Si = 0.2 to 0.5 %
Cr = 12.5 to 13.5 %
Ni = 0.5 % Max.

(c) Rolled Hardness = 280 to 330 HV
(d) Tensile Strength = 95 to 120 Kg/mm sq.
(e) Coil I. D. = 280 mm

Customised products

Nuclear applications
Special stainless steel was developed for critical components in nuclear applications (304 L, 321 etc.) having very low inclusion content, high corrosion resistance (<10 MPY), ultrasonically sound (w.r.t. angular & straight beam probe testing), high temper tensile strength and impact strength.

Tailor made products
Niobium stabilized special grade austenitic stainless steel was developed for critical components to be used in steam and gas turbines and other engine components. This steel was required to have specified chemical compositions with mechanical and impact properties.

Duplex Stainless Steel
JSL 2205, a ferritic-austentic stainless steel having a high chloride pitting resistance is the new entrant in the product mix. Cold Rolled annealed strips find extensive application as tubular material in sea water, chemical and paper & pulp plants.
Snapshot
Products Continuous Cast Slabs Continuous Cast Blooms HR Stainless Steel Plates HR Stainless Steel Coils CR Stainless Steel Coils Chequered Plates
Grade AISI 304, 304L, 316, 316L, 321, JS201, 203, 400 Series AISI 300 Series and 200, 400Series AISI 304, 304L, 310, 316, 316L, 321, 409, 2205 Series AISI 304, 304L, 310, 316, 316L, 321, 410, 420, 430, JS 201, 203, 409 Series AISI 304, 304L, 316, 316L, 410, 420, 430, JS 201, 203, 409/409L Composition Conforming to IS-2062 (Carbon Steels)
Thickness 160 mm 160x160 mm/200x200mm 5.0 to 63.0mm 3.0 to 6.0mm 0.05 to 0.8mm (narrow points-600mm) max 5, 6, 8 & 10 mm
Width 1250 mm (max) 160 mm/200mm 1000/1219/1250 mm 790, 870, 1000, 1219, 1250 mm 790, 870, 1000, 1219, 1250 mm 1250, 1300 & 1500 mm
Length 6 to 8 Meters 4 to 6 Meters 1000 to 6300 mm -- -- 1000 to 6300 mm
High Carbon Ferro Chrome Chromium 60-65%, Phosphorus 0.03% max, Silicon 4.0% max, Carbon 6-8%, Sulphur 0.05% max
Size : 10-120mm, 90%min,
Martensitic stainless steels

Martensitic stainless steels, the first stainless steels commercially developed (For cutlery) have a relatively high carbon content (0.1 - 1.2%) compared to other grades of tainless steels. They are plain chromium steels containing between 12 and 18% chromium. The stainless steel is of moderate corrosion resistance which can be hardened by heat treatment resulting in high strength and hardness. It has poor weldability and is magnetic. It is commonly used for knife blades, surgical instruments, shafts, spindles and pins.

Ferritic stainless steels
These are plain chromium stainless steels with varying chromium content between 11% and 18%, but with low carbon content. They have a moderate to good corrosion resistance, are not hardenable by heat treatment and always used in the unnealed conditions. They are magnetic. The formability is not as good as the austeinitics. These are commonly used in computer floopy disk hubs (430), automotive trim (430), automotive exhausts (409), material handling equipment (3CR12) and in hot water tanks (444).

Austenitic stainless steels
Most commonly used austenitic stainless steel contain 18% chromium and 8% nickel. They have an excellent corrosion resistance, weldability, formability fabricability, ductility, cleanability and hygiene characteristics. Along with good high and excellent low temperature properties, these are non magnetic (if annealed) and are hardenable by cold work only.
This is the most widely used stainless steel. The common uses are in computer floppy disk shutters (304), computer keyboard key springs (301), kitchen sinks (304D), pharmaceuticals, petrochemical industry, food processing equipment, architectural applications and chemical plants.
The highly popular low nickel jindal stainless (JS) proprietory grades J-1, J-3 and J-4 are used for kitchen products.

Duplex stainless steels
These are stainless steels contining relatively high chromium (between 18 and 28%) and moderate amounts of nickel (between 4.5 and 8%). The nickel content is insufficient to generate a fully austenitic structure and the resulting combination of ferritic and austenitic structures is called duplex. Most duplex steels contain molybdenum in a range of 2.5 - 4%. These have a high resistance to stress corrosion, cracking and chloride ion attacks. They have a higher tensile and yield strength than austenitic of ferritic steels as well as good weldability and formability. They are commonly used in marine applications, desalination plants, heat exchangers and petrochemical plants.