Overview
About S7 Tool & Die Steel
C P Steel Suppliers supplies S7 Tool & Die Steel for engineering, industrial machinery and manufacturing applications. It is classified as Chromium-Molybdenum Air-Hardening Shock-Resisting Tool Steel. Available forms include ROUND BAR.
Contact our Mumbai team with your required size and quantity to confirm availability, documentation and delivery.
S7 Round Bar Suppliers, S7 Stockist, S7 Big Dia, S7 Cut to size as per requirement, S7 Flat Bar, S7 Small Quantity, S7 Larger Dia, S7 Circle, Ring. S7 Mumbai, Chennai, Tamil Nadu, Gujarat, Pune, Maharashtra, India etc.
Specification
Chemical Composition
ElementComposition (wt%)
CCarbon
0.45 - 0.55%
SiSilicon
0.20 - 0.80%
MnManganese
0.50 - 0.90%
PPhosphorus
max 0.030%
SSulfur
max 0.030%
CrChromium
3.00 - 3.50%
MoMolybdenum
1.30 - 1.70%
VVanadium
0.15 - 0.35%
FeIron
Balance
Performance
Mechanical, Physical & Processing Properties
PropertyValue / Reading
Tensile Strength720 - 850 MPa (Annealed) / 1800 - 2150 MPa (Quenched & Tempered)
Yield Strengthmin 410 MPa (Annealed) / 1450 - 1800 MPa (Quenched & Tempered)
Elongation10 - 15 %
Hardness Brinellmax 248 HBW (Soft Annealed +A) / 54 - 58 HRC (Air/Oil Quenched & Tempered)
PropertyValue / Reading
Density7.83 g/cm3
Melting Point1425 - 1465 deg C
Modulus Of Elasticity207 GPa
Thermal Conductivity29.0 W/(m.K)
PropertyValue / Reading
WeldabilityGood for a tool steel when preheated to 260 - 320 deg C and stress-relieved after welding.
MachinabilityGood in spheroidize-annealed condition (approx. 75% of 1% carbon tool steel).
Case HardeningAir-hardening shock-resisting steel with high impact toughness, minimal distortion during hardening, and suitability for both cold and medium-hot work.
Corrosion ResistanceLow natural resistance; requires protective oil or surface treatment during storage.
Cross Reference
Equivalent Grades by Standard
Standard / RegionEquivalent Grade
Indian IST50Cr3Mo1V (IS 3748)
European EN50CrMoV13-15 (1.2355, EN ISO 4957)
Germany DIN50CrMoV13-15 / 1.2355
Japan JISSKS7 / Shock-Resisting Equivalent
UK (BS)BS7
USA (SAE / AISI)AISI S7 / ASTM A681 S7
Availability
Available Forms & Sizes
- ROUND BAR
FAQ
S7 — frequently asked questions
What is the equivalent of S7?
Standards: Indian IS: T50Cr3Mo1V (IS 3748); European EN: 50CrMoV13-15 (1.2355, EN ISO 4957); Germany DIN: 50CrMoV13-15 / 1.2355; Japan JIS: SKS7 / Shock-Resisting Equivalent; UK (BS): BS7; USA (SAE / AISI): AISI S7 / ASTM A681 S7.
Which forms of S7 are available?
S7 is available as ROUND BAR.
Where can I buy S7 Tool & Die Steel in Mumbai or across India?
C P Steel Suppliers supplies S7 Tool & Die Steel from Mumbai. Contact us with your size and quantity to confirm availability and delivery.
Interested in Tool & Die Steel S7?
Tell us the size and quantity you need and we will get back to you.