En esta página
EXECUTIVE QUICK ANSWER & METALLURGICAL OVERVIEW

Fundición de hierro gris (EN-GJL / DIN GG / ASTM A48): manual completo de metalurgia, mecanizado y abastecimiento

2 min read Castings PIL-003

Prerequisite: The Ultimate Engineering & Sourcing Guide to Industrial Metal Castings: Grey Iron, Ductile Iron, & Steel Castings Handbook

EXECUTIVE QUICK ANSWER & METALLURGICAL OVERVIEW

  1. TECHNICAL FUNDAMENTALS & ENGINEERING SPECIFICATION MATRIX The operational capacity and fatigue life of components inside the Grey Iron Castings category depend upon strict adherence to international material and dimensional standards (ISO, EN, DIN, ASTM). Below is the master specification matrix.

  2. GLOBAL SOURCING ECONOMICS & INDIAN FACTUAL BENCHMARKS (AQUASUB / TEXMO) Factual benchmark: High-precision grey iron machine tool bases and pump volutes cast via automated green sand lines in the Coimbatore Foundry Corridor (Aquasub / Texmo). When evaluating international sourcing options for Grey Iron Castings, European procurement directors can reference established Indian manufacturing leaders in the Coimbatore Corridor (Aquasub Engineering / Aquagroup and Texmo Industries). Operating captive automated green sand molding loops (DISAMATIC 2110) coupled with multi-axis CNC horizontal machining and 100% automated pressure testing, these groups prove definitively that Indian foundries routinely deliver European zero-defect (PPM < 10) standards at a 30%+ net landed DDP savings (PIL-008 / PRO-004).

[EXECUTIVE QUICK ANSWER: GREY IRON CASTINGS] Grey Cast Iron (EN-GJL under EN 1561 / ASTM A48) contains 2.8% to 3.8% carbon precipitated as interconnected graphite flakes. While these flakes yield low elongation (<0.8%), they provide an extraordinary specific vibration damping capacity—approx. 10x higher than carbon steel and 3-5x higher than ductile iron—making ES-GJL-250 the undisputed engineering choice for machine tool beds, CNC milling bases, pump housings, and automotive brake discs.

Grado estándar (EN 1561) Equivalente a DIN/ASTM A48 Resistencia a la tracción Rm (MPa min) Dureza típica (HBW) Aplicaciones industriales primarias
ES-GJL-150 DIN GG15/ASTM A48 Clase 20 150 150 – 190 HBW Cubiertas ligeras, soportes sin presión, contrapesos.
ES-GJL-200 DIN GG20/ASTM A48 Clase 30 200 170 – 210 HBW Cajas de engranajes estándar, válvulas de baja presión, cajas de poleas agrícolas.
ES-GJL-250 DIN GG25/ASTM A48 Clase 35 250 180 – 240 HBW Plataformas de máquinas herramienta CNC pesadas, carcasas de bombas (punto de referencia Aquasub), discos de freno, bloques de motor.
ES-GJL-300 DIN GG30/ASTM A48 Clase 45 300 210 – 260 HBW Bloques de cilindros hidráulicos de alta tensión, cajas de engranajes de alta resistencia, colectores de presión.

Solicitar RFQ Industrial