SINGAPORE STOCK · SINCE 1982KAKI BUKIT / TUAS
Steel Stockist · Cut-to-Size Specialists

4140 · 4340 · 4130
Alloy Round Bar

Machining tomorrow? The bar's here today. Pre-hardened or soft, cut to length, one piece is fine — quoted in hours, dispatched in 1–2 working days from Singapore stock.

Manned sales desk · Mill certificate with heat number, EN 10204 3.1

Stocked Range — Alloy Round Bar

4140 PRE-HARDENED

Q&T · 42CrMo4 · SCM440
Ø16Ø820mm

Quenched & tempered on the rack — machine it, fit it, no heat-treat step. 51 diameters as full bars, plus selected giants to Ø820 as cut pieces — ask.

Drive shafts, pins, bolts, bushes, jig & fixture parts · Most cut: Ø25 · 35 · 42 · 50 · 65

4140 ANNEALED

Soft · 42CrMo4 · SCM440
Ø16Ø530mm

Soft and free-machining — you harden after machining, to your own spec. Same alloy as above, different job. 34 diameters as full bars; Ø270–530 as cut pieces.

Piston rods, cylinder components, worm & gear shafts · Most cut: Ø25 · 32 · 50 · 55 · 60

4340

Ni-Cr-Mo · 34CrNiMo6 · EN24
Ø16Ø200mm

When 4140 isn't enough. Higher nickel-chrome for heavily loaded shafts, high-strength pins and downhole tooling. 29 diameters.

Drilling equipment, high-load shafts & pins · Most cut: Ø25 · 40 · 50 · 55 · 60

4130 CHROMOLY

Q&T · 25CrMo4 · SCM430
Ø25Ø850mm

Our widest alloy range — 33 diameters as full bars, selected sizes to Ø850 as cut pieces. The oilfield and aviation-spec workhorse, quenched & tempered.

Downhole tools, shafts, flanged blanks · Most cut: Ø45 · 50 · 75 · 100 · 120

Why machine shops come to us

No minimum order. One piece, one cut — genuinely fine.
Pre-hardened or soft — your call. Skip a heat-treat step, or harden after machining. We stock both.
Same-day quotes. Send grade, condition, size, quantity — we reply in hours.
1–2 day processing. Saw-cut, square, deburred, ready for collection or your forwarder.
Certs, always. Mill certificate with heat number, EN 10204 3.1. Origin noted on your DO if you specify it.
Closest-size options. We'll suggest the diameter that cuts your machining time and waste.
Exporting? We deliver free to your appointed forwarder in Singapore — Batam, Indonesia and Malaysia customers ship with us weekly.

Need alloy hollow bar? Not on the rack — we source to order. Ask. For structural hollow bar, round bar and plate, see our S355 range.

Get your price now

Send us the grade, condition (pre-hardened or annealed), size and quantity — that's all we need.

WhatsApp +65 6741 6155
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