What does rough machining include?

Turning or peeling of round bars and milling or saw-cutting of blocks to an agreed allowance, so the material arrives ready for your finish machining.

Can you machine hydraulic manifold blocks?

Yes. Manifold blocks are supplied as drawing-based parts after a technical review of dimensions, tolerances, surface finish and inspection requirements.

Which ductile iron grades are available?

QT400-15, QT400-18, QT450-10, QT500-7 and QT600-3. For EN, DIN, ASTM or customer standards, send the exact grade and edition — equivalence is confirmed in writing per order.

How do I choose the right stock size?

Share your finished dimensions and required machining allowance; we recommend the stock size and supply condition to match.

Can I start with a sample or trial order?

Yes. Sample, machining and freight terms are agreed in the quotation, then the next order is aligned with your production plan.

Rough Machining

Hydraulic Manifold Blocks

Drawing-based hydraulic manifold block machining in continuous cast ductile iron, from machining stock to rough-machined blanks.

Overview

Ductile Iron Stock, Prepared For Your Machining Line

We supply continuous cast ductile iron at the stage your factory needs — from as-cast bar to rough-machined rounds, milled blocks and hydraulic manifold block blanks. Start with the finished part: share finished dimensions and allowance, and we recommend the stock size and supply condition.

Material background: Cast Iron Bar.

Machined hydraulic manifold block with cross-drilled ports on several faces

Supply Stages

Supply At The Stage Your Factory Needs

Bar & Blanks

As-cast bar, saw-cut pieces and stock prepared for your own machining.

Rough Machining

Turned or peeled rounds and milled blocks, with machining allowances agreed in advance.

Drawing-Based Parts

Hydraulic manifold blocks, rollers and other components, subject to technical review of your drawing.

Specifications

Stock Range And Supply Condition

Published core ranges. Grade, section, tolerances, availability and larger sizes are confirmed in the quotation.

Round bar	Ø20–450 mm
Square bar	30 × 30 to 250 × 250 mm
Rectangles & special profiles	Reviewed to your drawing
Length	3,000 mm reference; other lengths by agreement
Supply condition	As-cast, cut-to-length, turned / peeled rounds, milled or saw-cut blocks
Ductile iron grades	QT400-15, QT400-18, QT450-10, QT500-7, QT600-3

Gallery

Manifold Blocks And Machining Stock

Hydraulic manifold block with milled faces and threaded port openings — Manifold block with milled faces and threaded ports.

Turned and peeled ductile iron round bars prepared for further machining — Illustration: turned and peeled round bar stock.

Rough-milled ductile iron blocks stacked on a pallet before finish machining — Illustration: rough-milled ductile iron blocks.

Quality

Traceability From The Heat To The Shipment

Chemistry

Spectrometer and carbon / sulphur analysis for melt composition control.

Mechanical Properties

Tensile, yield and elongation testing against the agreed specification.

Hardness

Hardness checks matched to the specified grade and section.

Microstructure

Metallographic examination of graphite form and matrix structure.

Internal Soundness

Ultrasonic inspection capability; scope and acceptance agreed per order.

Identification

Product coding and heat records support material traceability.

RFQ

What To Include In Your Request

Packing, shipping terms, delivery schedule and documents are confirmed for each order.

01Material grade and required standard
02Bar: diameter or section × length
03Finished-part drawing with dimensions, tolerances and surface finish
04Machining allowance and supply condition
05Quantity per size / planned demand
06Inspection and certificate requirements
07Destination port / delivery location

FAQ

Frequently Asked Questions

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