Packaging & Logistics

Delivered Right. Every Time.

At K.J. Steel, we understand that delivering quality doesn’t end at production it extends to safe packaging, accurate documentation, and reliable logistics.
Our products are packed using export-grade standards to ensure they reach you in perfect condition, whether for domestic shipment or international export.

Flat Bar Size Range:
In Width 40mm to 250mm
In Thickness 5mm to 50mm

Falt Bar specifications

Profile Standards

We offer two precision profiles as per DIN standards:

Type Identification	Profile	Standard Shape	Shape
01	PROFILE A	DIN 59145
02	SHARP EDGE

Dimensional Tolerances

FLAT BAR – DIMENSIONAL TOLERANCE
Nominal Width (mm)	Tolerance on Width (mm)	Tolerances on Thickness		Maximum Concavity (mm)
Nominal Width (mm)	Tolerance on Width (mm)	4 to 10 mm	Over 10 mm	Maximum Concavity (mm)
38 to 60	±0.60	±0.15	±0.20	0.15
60 to 80	±0.80	±0.20	±0.25	0.20
80 to 125	±1.0	±0.20	±0.25	0.20
125 to 250	±1.0	±0.25	±0.30	0.25

Designation (chemical composition)

The steels used to manufacture are as follows:

Grade	Elements	C	Mn	Si	S	P	Cr	B	Ti	Al	Mo	Ni	Cu
27MnCrB5	Min.	0.27	1.10	–	–	–	0.30	0.0008	0.020	0.020	–	–	–
27MnCrB5	Max.	0.31	1.40	0.40	0.025	0.025	0.60	0.0050	0.060	0.050	0.050	0.10	0.10
28MnCrB5	Min.	0.26	1.10	0.20	–	–	0.30	0.0008	0.020	0.020	–	–	–
28MnCrB5	Max.	0.30	1.40	0.35	0.025	0.025	0.50	0.0050	0.060	0.050	0.050	0.10	0.10
30MnCrB5	Min.	0.29	1.10	0.20	–	–	0.30	0.0008	0.020	0.020	–	–	–
30MnCrB5	Max.	0.31	1.40	0.35	0.025	0.025	0.50	0.0050	0.060	0.050	0.050	0.10	0.10
33MnCrB5	Min.	0.30	1.20	–	–	–	0.30	0.0008	0.020	0.020	–	–	–
33MnCrB5	Max.	0.36	1.50	0.40	0.035	0.035	0.60	0.0050	0.060	0.050	0.050	0.10	0.10
30MnCrB5	Min.	0.30	1.20	0.20	–	–	0.40	0.0008	0.020	0.020	–	0.10	0.20
30MnCrB5	Max.	0.35	1.60	0.30	0.025	0.025	0.50	0.0050	0.060	0.050	0.050	0.15	0.30

We provide soluble boron 70% of the total boron content.

Jominy- Hardenability

The Jominy value will meet the minimum specified in the table below:

JOMINY HARDENABILITY DISTANCE
Distance (mm)	Minimum HRC	Maximum HRC
J 1.5	47	55
J 3.0	46	55
J 5.0	45	55
J 7.0	44	54
J 9.0	43	54
J 11.0	41	53
J 13.0	39	52
J 15.0	36	51
J 20.0	30	47
J 25.0	24	44
J 30.0	20	40
J 35.0	—	37

NOTE:
Values defined above by the formula:
J0 = 90√C + 5Si + 20(Mn + Cr) + 7Ni + 10√Mo + 10√V

Hardness
Material will have maximum hardness of: 240 BHN/HB Max.

Warping

The bars will be supplied straight, straightened if necessary, the maximum permissible lateral warping being equal to 3 mm/m along the length of the bar and simultaneously 3 mm per meter.

Finishing
The material supplied will not contain discontinuities, scale incrustations, lamination folds or cracks, according to EN 10163-3.

Macro Inclusions
Maximum level admissible is according to SEP 1584 and/or ISO 3763:

SEP 1584: max 2.
ISO 3763: max 4.

Inclusion Rating Number
The test for determination of micro-inclusions will be carried out according to NBR NM 88 and/or ASTM E45 (Method A), and its maximum values are 2.0 (fine & coarse series).

Round Bars

We have the widest range in terms of grades and sizes. Round bar are the basic raw material used in a variety of engineering, auto, and other ancillary industries and also used to make different types of fastener products like bolts, nuts, pins, and rivets which can be micro size to mega-size also depending upon the application and customs requirements.

Dimensional Tolerance:

Size (mm)	Tolerance (mm)
12 to 19	+ 0.1
20 to 29	+ 0.2
30 to 39	+ 0.3
40 to 49	+ 0.4
50 to 59	+ 0.5
60 to 69	+ 0.6
70 to 79	+ 0.7
80 to 89	+ 0.8
90 to 99	+ 0.9
100 to 109	+ 1.0

RCS Bars (Round Cornered Square)

Round Cornered Square bars or RCS are mainly used for drop forged components in the automotive industry. Our RCS Products have a uniform internal structure and a very good surface quality. We have a wide range of RCS bars in various grades and sizes, according to the customer’s requirements

Dimensional Tolerance:

Size (mm)	Tolerance (mm)
38 to 50	± 0.4
50 to 64	+ 0.8
64 to 80	+ 1.2
80 to 89	+ 1.2
89 to 100	+ 1.6

Hex Bars

Hexagonal are long steel bars having 6 sides. They are used in a number of engineering products such as nuts, bolts, hydraulic fittings etc. We have a wide range of Hex bars in various grades and sizes, according to the customer’s requirements.

imensional Tolerance:

Size (mm)	Tolerance (mm)
16 to 25	± 0.25
25 to 38	+ 0.6, – 0.4
38 to 50	+ 0.8, – 0.4
50 to 65	+ 1.2, – 0.4
65 to 85	+ 1.6, – 0.4

Length As Per Requirement

Billets

We manufacture best quality billets (Alloy & Non Alloy) and use fine quality of raw materials and scrap. Billets are the basic raw material of Forging industries and all type of rolling mills like Round bar, RCS, Flat bar, Wire and Hex bar mills.

Billet Bar Size Range:

• 90mm x 90mm
• 100mm x 100mm
• 125mm x 125mm
• 130mm x 130 mm
• 150mm x 150mm
• 160mm x 160mm
• 200mm x 200mm

Boron Steel Expertise

Engineered for Endurance. Trusted by OEMs.
K.J. Steel is a trusted manufacturer of Boron Steel for OEMs, delivering high-performance material for critical agricultural applications such as rotavator blades, ploughshares, and tillers. Designed for extreme wear and high impact, our boron steel ensures longer service life and superior reliability even in the harshest farming environments. We are trusted manufacturer of high-performance Boron Steel grades, including 27MnCrB5, 28MnCrB5, and 30MnCrB5.

Key Features:

Superior wear resistance and mechanical strength
Enhanced durability and longer life
Customizable steel grades to meet specific application requirements
With decades of experience and a strong commitment to quality, KJ STEEL continues to empower the agricultural industry with steel solutions that deliver unmatched performance and reliability.

Billets

Billet Bar Size Range:

• 90mm x 90mm
• 100mm x 100mm
• 125mm x 125mm
• 130mm x 130 mm
• 150mm x 150mm
• 160mm x 160mm
• 200mm x 200mm