ALLOYED CASE-HARDENING STEELALLOYED QUENCHED & TEMPERED STEEL

for Gears and Drives

WORLD CLASS SERVICE WITH GERMAN COMMITMENT TO QUALITY AND TECHNOLOGY

BGH (BoschGotthardsHuette) is a privately held, German-based specialty steel mill with six production plants in Europe. Our fully integrated production process – from melting to the final product – guarantees the highest quality specialty steel. Our products range from fine wire to forged bars as well as open-die forgings.

Customized logistic solutions are available to serve your business from several European and American stocking locations. We have a global distribution network and have been successfully operating on an international level for decades.

BGH Edelstahlwerke GmbH Industriestraße 12 57076 Siegen Germany Telefon: +49-271-701-0 E-Mail: drives@bgh.de

www.bgh.de

Excellence in Specialty Steel

FROM PERFECTED TECHNOLOGY TO HIGH QUALITY STEEL THROUGH:

EAF/VIM melting, AOD/VOD secondary refining and ESR/VAR remelting enables the production of materials with a high metallurgical degree of purity

Superior reliability in steel processing ensured by fully controlled production from melting to dispatch

Very low phosphor, sulfur and oxygen content

World class in-house heat treatment facilities

100% UT-tested on state-of-the-art automatic testing equipment

Modern in-house laboratories

Application-driven R&D to benefit our customers

Certified to international standards ISO 9001, ISO 14001, ISO 50001 and IATF 16949 (BGH Lugau)

Approved by e.g. ABS, TÜV, LRS, DNV-GL, BV and major leading companies

Sawed and drilled discs are available from our stocking locations

Chemistry, heat treatment and delivery condition can be tailored to customer specific requirements

In addition to bars, we produce open-die forgings and rolled flat bars

BGH Premium Case-Hardening Gear SteelDIN EN AISI (≈) C Si Mn P S* Cr Mo Ni V

1.6587 18CrNiMo7-6 18Cr 0.15 - 0.19 ≤0.40 0.50 - 0.60 ≤0.012 ≤0.005 1.50 - 1.80 0.25 - 0.35 1.40 - 1.70

BGH Case-Hardening Gear SteelDIN EN AISI (≈) C Si Mn P S* Cr Mo Ni V

1.6757 15CrNi6 4320 0.17 - 0.22 0.15 - 0.35 0.45 - 0.65 ≤0.025 ≤0.005 0.40 - 0.60 0.20 - 0.30 1.65 - 2.00

1.6523 20NiCrMo2-2 8620 0.18 - 0.23 0.15 - 0.35 0.70 - 0.90 ≤0.025 ≤0.005 0.40 - 0.60 0.15 - 0.25 0.40 - 0.70

- - 4820 0.18 - 0.23 0.15 - 0.35 0.50 - 0.70 ≤0.025 ≤0.005 ≤0.20 0.20 - 0.30 3.25 - 3.75

1.6657 14NiCrMo13 9310 0.08 - 0.13 0.15 - 0.35 0.45 - 0.65 ≤0.025 ≤0.005 1.00 - 1.40 0.08 - 0.15 3.00 - 3.50

BGH Quenched & Tempered Gear SteelDIN EN AISI (≈) C Si Mn P S* Cr Mo Ni V

1.7225 42CrMo4 4140 0.38 - 0.43 0.15 - 0.35 0.75 - 1.00 ≤0.025 ≤0.005 0.80 - 1.10 0.15 - 0.25 ≤0.25

1.6582 34CrNiMo6 - 0.30 - 0.38 ≤0.40 0.50 - 0.80 ≤0.025 ≤0.005 1.30 - 1.70 0.15 - 0.30 1.30 - 1.70

1.6580 30CrNiMo8 - 0.26 - 0.34 ≤0.40 0.50 - 0.80 ≤0.020 ≤0.005 1.80 - 2.20 0.30 - 0.50 1.80 - 2.20

1.6563 41NiCrMo7-3-2 4340 0.38 - 0.43 0.15 - 0.35 0.60 - 0.80 ≤0.025 ≤0.005 0.70 - 0.90 0.20 - 0.30 1.65 - 2.00

4330 mod. 0.28 - 0.33 ≤0.35 0.75 - 1.00 ≤0.020 ≤0.005 0.90 - 1.10 0.40 - 0.60 1.65 - 3.00 0.05 - 0.12

1.8519 31CrMoV9 - 0.27 - 0.34 ≤0.40 0.40 - 0.70 ≤0.020 ≤0.005 2.30 - 2.70 0.15 - 0.25 ≤0.30 0.10 - 0.20

STEEL GRADES

(content in mass-%)*controlled sulfur content possible on request

Bars up to 160 mm (6“) diameter rolled and peeled, quenched & tempered

Bars from 160 mm (6“) to 950 mm (37 ½“) diameter forged and peeled/turned, quenched & tempered

CONDITION ON DELIVERY

WAREHOUSING SAWING/DRILLING CUSTOMIZED PACKAGING

(other grades available upon request)

RESEARCH DEVELOPMENT INNOVATION

Excellence in Specialty Steel