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Blade for Cut Rebar

blade for cut rebar
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Rebar Cutting Blade: Selection & Usage Guide

1. Blade Material Selection

Blade material affects its hardness, toughness and service life. Choose based on your cutting needs:
  • H13 Material: Mainstream high-quality material. It is wear-resistant, tough and heat-stable. Good for long-term, high-intensity cutting of high-strength rebar (no deformation or chipping).

  • Cr12MoV Material: Hard and wear-resistant. Suitable for cutting hard cold-rolled rebar. Note: It is not very tough; avoid high-impact cutting.

  • 9CrSi Material: Cheap and practical. Easy to process. Good for cutting ordinary medium-low strength rebar (used in small-medium projects).

  • High-nickel Material: Best for scrap rebar (corroded, with sand/dirt). It resists wear well.

2. Machine Specification Matching (Size-Customizable)

  • Shape Matching
    • Square: 4 usable edges, longer service life (good for large-scale processing).

    • Rectangular: 1-2 usable edges (good for small-tonnage cutting machines).

  • Size Matching: Different machine tonnages (GQ40, GQ50, GQ60) need specific blade size (thickness, length, width, bolt hole spacing). Follow the machine manual strictly.

3. Blade Selection by Rebar Type

  • Ordinary Round Steel: Low hardness. Use 9CrSi or Cr12MoV (low cost, meets basic needs).

  • High-Strength Ribbed Rebar: Hard, ribbed surface wears blades. Use H13 (wear-resistant, tough, no chipping).

  • Scrap Rebar: Corroded, with sand. Use high-nickel material (resists wear).

4. Manufacturing Process

Choose blades made with full grinding and vacuum heat treatment. They have uniform hardness, stay sharp, and won’t chip or dull easily.

5. Custom Blades & ALAS Advantages

  • Custom Blades: Our custom blades improve hardening depth and toughness. They solve the common problem of brittle fracture when cutting high-strength rebar.

  • ALAS Blade Advantages
    • High-quality materials: Uses H13 and D2 alloy steels with vacuum heat treatment (hard and tough).

    • Long service life: Sharp edges, no premature cracking or dulling.

    • Professional use: Suitable for large and small construction projects.

    • Cost-saving: Factory-direct, OEM quality at low prices (no compromise on safety/performance).


rebar cut blade specifications and dimensions

NO. Product Name Specification   Dimensions (length x width x height/thickness) ) Material Remarks
1

rebar cut blade size

78*78*17   mm 9crsi,SKD-11,H13 Customization services are available; we can   manufacture according to your drawings, with a minimum order quantity of 2 piece.
2 80*80*17   mm
3 80*80*30   mm
4 83*83*16   mm
5 83*83*26   mm
6 83*83*26  mm
7 90*90*20   mm
8 90*90*26   mm
9 100*100*20  mm
10 100*100*30   mm
11 110*110*20   mm
12 100*30*75 mm
13 85x65x30 mm
14 Handheld   rebar cutting machine blade 26×20×10   mm
15 30×24×11   mm
16 36×28×14   mm
17 40×30×15   mm



Blade Metal Materials Grade Correspondence Table

Base Grade

Steel Category

Chinese Standard GB/T 1299

American Standard ASTM

German Standard DIN (W-Nr.)

Japanese Standard JIS

H13

Hot Work Die Steel

4Cr5MoSiV1

H13

1.2344

SKD61

Cr12MoV

Cold Work Die Steel

Cr12MoV


1.2601

SKD11

9CrSi

Alloy Tool Steel (Cutting Tool Steel)

9CrSi


1.2108


rebar cut blade drawing

gq50-rebar-cutting-blade-drawinggq40-rebar-cutting-machine-blades-h13-tool-steel

Installation location of the rebar cut blade

rebar-cutting-machine-blade-installation-area

rebar-cutting-blade-stock-photosrebar-cutting-blade-125-pcs

Global Supply for Rebar Cutting Blades & Industrial Shear Knives
We manufacture high-performance Blades for Cutting Rebar, Steel Bar Shear Knives, and Hydraulic Rebar Cutters. Our blades are made from premium tool steels (D2, H13, 9crsi) for superior impact resistance, serving the construction and recycling industries in over 30 countries:
  • Americas & Oceania: Blade for Cut Rebar, Rebar Shear Knives (USA, Canada), Steel Bar Cutting Tools (Australia), Lâminas para Cortar Vergalhão, Facas de Corte de Aço (Brazil), Cuchillas para Cortar Varilla (Mexico).

  • Europe (Industrial Quality): Lames pour couper les barres d'armature (France), Lame per taglio tondino di cemento armato (Italy), Rebar Cutting Blades, Steel Shear Tools (UK, Switzerland), Snijmessen voor betonijzer (Netherlands, Belgium), Noże do cięcia prętów zbrojeniowych (Poland), Lâminas de corte para varões de aço (Portugal), Střižné noże na roxor (Czech Republic), Skärblad för armeringsjärn (Sweden), Betonacél vágókések (Hungary), Cuțite pentru tăiat armătură (Romania), Knive til klipning af armeringsjern (Denmark), Μαχαίρια Κοπής Οπλισμού (Greece).

  • Middle East & Africa: İnşaat Demiri Kesme Bıçakları, Demir Makasları (Turkey), شفرات قص حديد التسليح, سكاكين قطع الفولاذ (Saudi Arabia, UAE, Egypt), تیغه برش میلگرد (Iran), סכינים לחיתוך ברזל בניין (Israel), Heavy Duty Rebar Cutting Blades (South Africa).

  • Asia & Southeast Asia: Rebar Cutting Blades, Steel Bar Shearing Knives (India, Pakistan), Lưỡi dao cắt sắt xây dựng, Dao cắt thép thanh (Vietnam), ใบมีดตัดเหล็กเส้น (Thailand), Pisau Pemotong Besi Beton (Indonesia), Mata Pisau Pemotong Besi Tetulang (Malaysia).

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Phone:
86-15852949220
Address:
Jiangning District, Nanjing
About Us

Nanjing Alas International Co., Ltd. is a professional industrial tooling manufacturer focused on shear blades, bending dies, shredder blades, and custom wear parts. We offer full application engineering, material selection, setup guidance, and after-sales support to global customers.
Tell us your requirements, and our engineering team will provide professional solutions for blade specification, tool life optimization, and cost-effective production.

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