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Form & Size

HUISHIH has been forging special metals to meet the increasing demands of technical and industrial markets for more than 20 years. We offer a dramatic range of products designed to meet our clients' highest expectations for quality and performance, from bars, blocks, discs, flanges, spheres and sleeves to large valve components and seamless rolled rings in a variety of materials.

We are capable of supplying forged products fully heat treated, rough turned, finish machined and non-destructively tested according to customer requirements. When part geometry and quantities permit, semi-closed die forgings for near-net-shape parts can be manufactured.

Forged Flange

ASME B16.5NPS 1/2 to 24 inch and class 150 to 2500 LBS ASME B16.47 Series ANPS 26 to 60 inch and class 150 to 900 LBS ASME B16.47 Series BNPS 26 to 60 inch and class 75 to 900 LBS BS EN 1092-1 DN 10 to 2000 and PN 2.5 to 400 API 6A Type 6B 2 1/16” to 21 1/4” and 13.8 to 34.5 MPa API 6A Type 6BX1 13/16” to 21 1/4” and 13.8 to 138.0 MPa

Forged bar 2 to 16 inch (50 to 400mm) diameter
Forged block 2 to 16 inch (50 to 400mm) diameter
Forged disc 80 inch (2000mm) max. outside diameter
3 inch (75mm) min. thickness
Forged sleeve 120 inch (3000mm) max. length
3 inch (75mm) min. wall
Forged & rolled ring 100 inch (2500mm) max. outside diameter
20 inch (500mm) max. thickness
Forged sphere NPS 4 to 48 inch and class 150 to 2500 LBS

Delivery Condition

Heat treatment: Hot forged & rolled Soft-annealed Solution annealed Solution annealed & precipitation hardened

Surface condition: Non-treated Polished Rough peeled Machined to the part

The polished or rough-peeled surface is preferable and favorable for nondestructive inspection, as we always advise. Because the micro defects are difficult to be detected via ultrasonic test (i.e. UT), due to the black, rough and uneven surface after being hot-forged. Likewise, the bright surface is also necessary for liquid penetrant test (i.e. PT).

Identification and package

The product ID, incl. material grade, heat number, dimension, client’s material code, will be labelled by pneumatic punch marker normally. The Package, incl. fumigated wooden case or pallet, is not only seaworthy but also strong enough to protect the products from any damage.