TGK SPECIAL STEEL PVT. LTD. - HANDBOOK

The Name You Can Trust www.tgkssl.com - 89 - Descriptions and data in the file are typical cases. We will not make guarantee for them. Besides, we reserve the final right to interpret improvement in materials, quality and/or performance. Steel grade (H10) Smelting method: EAF+LF+VD+ESR Main characteristics: Favorable softening resistance under high temperature and high thermal fatigue cracks. Major applications:  Hot punch;  Hot forging die;  Hot shearing blade;  Hot extrusion molds. Chemical constituent %: C Si Mn Cr Mo V P S 0.32 0.25 0.3 3.0 2.7 0.5 ≤0.025 ≤0.008 Physical property: Room temperature density (Kg/m 3 ) Specific heat of room temperature ( /Kg·K) 200ºC thermal conductivity (W/m•K) Elastic modulus (N/mm 2 ) Linear expansivity (×10 -6 K) 20~200ºC 20~400ºC 7.88 460 30 207,000 13.3 14.2 Ultrasonic flaw detection: Flaw detection standard: as per SEP1921- E/e flaw detection or GB/T6402-2008 Class 4, or as per customer requirements. Purity: Class A Class B Class C Class D Fine Coarse Fine Coarse Fine Coarse Fine Coarse 1.0 0.5 1.5 1.0 1.0 1.0 1.5 1.0 Delivery state: (1) Delivery hardness: delivery under annealing state, hardness ≤229HB; (2) Organization state and impact power requirement: comply with North American Die Casting Association No. 207 criterion. Supply specification: Product name Specification/mm Material Forged round bar Ф70~6 50 H10 Forged module (120~350)* (300~800) H10 Rolled round bar Ф16~7 0 H10 Rolled flat bar (12~120)* (200~810) H10 HOT WORK STEEL