Jini Enterprise is a trusted H13 steel round bar supplier in Mumbai, offering genuine AISI H13 (1.2344) hot work tool steel round bars in a wide range of diameters. H13 round bars are the go-to choice for die casting inserts, extrusion tooling, forging dies, and hot work punches, thanks to their excellent hot hardness, thermal fatigue resistance, and toughness. Whether you need a small bar for a die insert or a large-diameter bar for a forging die, we supply certified material cut to your exact length.
As a dedicated round bar supplier in Mumbai's steel trading hub, we stock H13 bars from 10mm to 450mm diameter in peeled, turned, and ground conditions. Every consignment comes with a Mill Test Certificate, and spectro and hardness verification are available on request. From single pieces to bulk orders, Jini Enterprise is your reliable partner for H13 steel round bars in Mumbai.
H13 round bars offer the ideal combination of properties for demanding hot work applications:
H13 round bars are widely used across the following hot work applications:
✔ Custom diameters and cut-to-length sizes available on request. All bars supplied with dimensional inspection reports.
H13 round bars are typically supplied annealed. After machining, harden and temper as follows:
Heat to 840 – 870°C, hold, then cool slowly in furnace.
Achieves maximum Brinell hardness of ≤ 229 HB.
Heat to approx. 650 – 700°C, hold for 1-2 hours, air cool.
Removes machining stresses from turned bars.
Austenitize at 1000 – 1050°C.
Quench in air, salt bath, or oil (depending on bar diameter).
Hardness after quenching: approx. 54 – 56 HRC.
Temper at 500 – 600°C (twice recommended).
Typical working hardness: 45 – 52 HRC.
Double tempering improves toughness and dimensional stability.
✔ Custom lengths available. Tell us your required bar length and we will cut the material accordingly.
Deep understanding of H13 properties and heat treatment—we help you get the best performance from your bars.
Rigorous quality control ensures consistent chemical composition, hardenability, and microstructure across all diameters.
H13 round bars from 10mm to 450mm diameter—covering everything from small core pins to large die inserts.
Fast, reliable delivery to die casters, extruders, and forging companies across India from our Mumbai base.
📍 Based in Mumbai, Serving All of India: Sripati Castle Annex-1 C-103, 1st floor, Sripati Castle, Balwant Kolhatkar Marg, Mumbai – 400004. We serve die casters, extruders, forging companies, and tool rooms across Mumbai, Maharashtra, and all major industrial hubs in India.
Partner with Jini Enterprise – your trusted H13 steel round bar supplier in Mumbai. We supply genuine AISI H13 (1.2344) round bars from 10mm to 450mm diameter in peeled, turned, and ground conditions, backed by full certifications, competitive pricing, and pan-India delivery. Tell us your diameter and length requirement—we’ll respond with pricing and availability.
📧 Email: jinienterprise109@gmail.com
📞 Call Now: +91 865 591 6397