EN_US-Engineering-Product-Hot-Rolled-Heat treatable steel-Case-hardening OverviewTSN
Tata Steel offers a choice of hot-rolled heat-treatable steel. Its chemical composition and the production processes we employ ensure robust, consistent products.
Case-hardening steel
Case-hardening grades provide excellent formability and good punching quality. Our C15E case-hardening steel is suitable for wear-resistant components that must withstand extreme fatigue stress.
Supply - product conditions
Hot-rolled steel can be supplied with these product conditions and finishes and with this surface treatment:
Side/surface condition |
non-pickled |
pickled |
pickled and oiled |
---|---|---|---|
Mill edges |
Yes |
Yes |
Yes |
Trimmed edges |
- |
Yes |
Yes |
Trimmed edges available in thicknesses up to 8.0 mm. The steel grades shown on the following pages belong to the standard range offered by Tata Steel.
Please contact us regarding other specifications we may have that meet your needs.
Surface aspects
Description |
Availability |
---|---|
Surface finish |
Coils are available in non-pickled and pickled finish |
Oiling |
Pickled finish is available with rolling or preservative oil applied |
|
Oil weight normally 0.5-2.5 g/m2 |
Alternative oiling ranges are available – please contact us for details.
EN_US-Engineering-Product-Hot-rolled-All Grades Surface aspects Supply ConditionsTSE
Hot-rolled steel can be supplied with these product conditions and finishes and with this surface treatment:
Side/surface condition | non-pickled | pickled | pickled and oiled |
---|---|---|---|
Mill edges | Yes | Yes | Yes |
Trimmed edges | - | Yes | Yes |
Trimmed edges available in thicknesses up to 0.25 inch.
The steel grades shown on the following pages belong to the standard range offered by Tata Steel.
Please contact us regarding other specifications we may have that meet your needs. You can find details on how to get in touch with us in 'Contact Us' below.
Surface aspects
Description | Availability |
---|---|
Surface finish | Coils are available in non-pickled and pickled finish for most grades. For grade specific availability, please refer to the dimensional tables. |
Oiling | Pickled finish is available with rolling or preservative oil applied. Oil weight normally 55 - 275 mg/ft2 |
Alternative oiling ranges are available.
Please contact us for details. You can find details on how to get in touch with us in 'Contact Us' below.
EN_US-Engineering-Product-Hot-Rolled-Heat treatable steel-1015-Properties TSN
Chemical composition
The chemical composition of this case hardening product conforms to SAE J403:2009 and is shown in the table below.
SAE J403 | Grade | 1015 |
---|---|---|
C | Min. - max. | 0.13–0.18 |
Mn | Min. - max. | 0.30–0.60 |
P | Max. | 0.030 |
S | Max. | 0.050 |
All values are in weight%.
Tighter chemical compositions are available, please consult us.
EN_US-Engineering-Product-Hot-rolled-All grades Shape and dimensional tolerancesTSE
Shape and dimensional tolerances
Tolerances on thickness
Tata Steel can supply to full thickness tolerance specified in ASTM A568: 2015 / A635: 2015.
Thickness tolerances over, no tolerance under.
Tighter tolerances are available as shown below:
Carbon Steel | Thickness tolerances available | ||||
---|---|---|---|---|---|
ASTM A 568 (2015) / A635 (2015) | |||||
20 - 40 | 40 - 48 | 48 - 60 | 60 - 72 | >72 | |
0.031 - 0.051 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
0.051 - 0.057 | 0.01 | 0.012 | 0.012 | 0.014 | 0.014 |
0.057 - 0.071 | 0.012 | 0.012 | 0.014 | 0.014 | 0.014 |
0.071 - 0.098 | 0.014 | 0.014 | 0.014 | 0.016 | 0.016 |
0.098 - 0.179 | 0.014 | 0.016 | 0.016 | 0.016 | 0.016 |
0.179 - 0.229 | 0.016 | 0.018 | 0.02 | 0.022 | 0.024 |
0.229 - 0.313 | 0.022 | 0.024 | 0.024 | 0.026 | 0.03 |
0.313 - 0.375 | 0.024 | 0.026 | 0.028 | 0.03 | 0.032 |
0.375 - 0.500 | 0.028 | 0.028 | 0.03 | 0.032 | 0.036 |
0.500 - 0.625 | 0.03 | 0.03 | 0.032 | 0.036 | 0.038 |
0.625 - 1.000 | 0.032 | 0.032 | 0.034 | 0.038 | 0.04 |
HSLA | Thickness tolerances available | ||||||
---|---|---|---|---|---|---|---|
ASTM A568 (2015) / A635 (2007) | |||||||
20 - 32 | 32 - 40 | 40 - 48 | 48 - 60 | 60 - 72 | 72 - 80 | > 80 | |
0.031 - 0.051 | 0.012 | 0.012 | 0.012 | 0.012 | 0.012 | 0.012 | 0.012 |
0.051 - 0.059 | 0.012 | 0.012 | 0.014 | 0.014 | 0.014 | 0.014 | 0.014 |
0.059 - 0.070 | 0.014 | 0.014 | 0.014 | 0.014 | 0.016 | 0.016 | 0.016 |
0.070 - 0.082 | 0.014 | 0.014 | 0.014 | 0.014 | 0.016 | 0.016 | 0.016 |
0.082 - 0.098 | 0.014 | 0.016 | 0.116 | 0.016 | 0.018 | 0.018 | 0.02 |
0.098 - 0.179 | 0.016 | 0.016 | 0.02 | 0.02 | 0.022 | 0.024 | 0.024 |
0.179 - 0.229 | 0.018 | 0.018 | 0.02 | 0.02 | 0.022 | 0.024 | 0.024 |
0.229 - 0.313 | 0.022 | 0.022 | 0.024 | 0.024 | 0.026 | 0.03 | 0.03 |
0.313 - 0.375 | 0.024 | 0.024 | 0.026 | 0.028 | 0.03 | 0.032 | 0.032 |
0.375 - 0.500 | 0.028 | 0.028 | 0.028 | 0.03 | 0.032 | 0.036 | 0.036 |
0.500 - 0.625 | 0.03 | 0.03 | 0.03 | 0.032 | 0.036 | 0.038 | 0.038 |
0.625 - 1.000 | 0.032 | 0.032 | 0.032 | 0.034 | 0.038 | 0.04 | 0.04 |
Option for maximum crown values
At the time of ordering, specific agreements can be made on the crown of hot-rolled strip.
Tolerances on width, edge camber and flatness
Material will be supplied conforming to the tolerances specified in ASTM A568 (2007) / A635 (2007). Width tolerances are over, no tolerance under.
Width tolerances available | ||
---|---|---|
Carbon steel | ASTM A568: 2015 / A635: 2015 | |
Mill edge | Cut edge | |
24 - 26 | 0.812 | 0.125 |
26 - 28 | 0.937 | 0.125 |
28 - 30 | 0.937 | 0.125 |
30 - 35 | 1.125 | 0.187 |
35 - 48 | 1.125 | 0.187 |
48 - 50 | 1.125 | 0.25 |
50 - 60 | 1.5 | 0.25 |
60 - 65 | 1.5 | 0.312 |
65 - 70 | 1.5 | 0.312 |
70 - 78 | 1.5 | 0.312 |
78 - 80 | 1.875 | 0.312 |
80 - 82 | 1.875 | 0.375 |
Width tolerances available | ||
---|---|---|
HSLA | ASTM A568: 2015 / A635: 2007 | |
Mill edge | Cut edge | |
24 - 26 | 0.812 | 0.125 |
26 - 28 | 0.937 | 0.125 |
28 - 30 | 1.125 | 0.125 |
30 - 35 | 1.125 | 0.187 |
35 - 48 | 1.25 | 0.187 |
48 - 50 | 1.25 | 0.25 |
50 - 60 | 1.5 | 0.25 |
60 - 65 | 1.625 | 0.312 |
65 - 70 | 1.75 | 0.312 |
70 - 78 | 1.875 | 0.312 |
78 - 80 | 2 | 0.375 |
80 - 82 | 1.875 | 0.375 |
Dimensions and coil weights
Tata Steel can supply hot-rolled steels with the following minimum and maximum dimensions and weights.
Description | Capability |
---|---|
Coil diameter inner non-pickled | 30 inch |
Coil diameter inner pickled | 24 inch standard |
30 inch on request | |
Tolerance on inner diameter | +0/-2 inch |
Coil diameter outer non-pickled | Outer diameter available is 10/7 x width to reduce possibility of coil tipping over |
Max. 86 inch | |
Min. 41.5 inch | |
Coil diameter outer pickled and oiled | Outer diameter available is 10/7 x width to reduce possibility of coil tipping over |
Max. 86 inch | |
Min. 65 inch | |
Coil weight | Max. 75,000 lbs |
Maximum coil weight limits can vary due to | |
transport limits and outer coil diameter | |
Some HR products may have different coil weight ranges | |
PIW width ≤ 47 inch | 868 - 1288 PIW width |
PIW 47 inch < width ≤ 67 inch | 868 - 1215 PIW width |
PIW width > 67 inch | 616 PIW width and 868 - 1215 PIW width |
Minimum tonnage per order | Refer to price list for order quantity details |
Minimum order quantities may apply |