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SAE4140 4130 4150 4142 4145 Alloy Structural Steel Bar

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Basic Info

Model No.:  SAE4140 4130 4150 4142 4145

Product Description

Model NO.: SAE4140 4130 4150 4142 4145 Standard: AISI, ASTM, GB, JIS, DIN, BS Technique: Hot Rolled Alloy: Alloy Dimensions: 10-310mm Grade: 4140 4150 4142 4145 Alloy Steel Brand Name: Laigang, Juneng, Helio Specification: AISI, ASTM, DIN, GB, JIS HS Code: 72284000 Type: Alloy Steel Bar Steel Grade: SAE4140 4130 4150 4142 4145 Application: Structural Steel Bar Special Use: Mold Steel Hot Rolled: Black Surface Quality: 8620 4340 4130 Steel Bar Trademark: Helio or buyer′s brand Origin: Shandong, China (Mainland) Specifications SAE4140 4130 4150 4142 4145 alloy Steel Bar  1.Grade:SAE4140 (H),4142 4145, 4150,4130
2.Dia:20-300mm
3.MOQ:30tons
4.Hot rolled/forged/cold drawn

Quality Condition: 1): Straightness: 3mm/m (max) 2): Corner Radius: 3(max) 3): The ends will be end cut or gas cut 4): No cracks on the surface   Contact Person: amy    
SAE4140 4130 4150 4142 4145 Alloy Structural Steel Bar
SAE4140 4130 4150 4142 4145 Alloy Structural Steel Bar

  Dimensional Range:



















Hot-rolled Cold-drawn Forged





Round 20mm-300mm 16mm-70mm 250mm-800mm





Square 20*20mm-130*130mm 10*10mm-80*80mm Your requirements





Flat Thickness:12mm-100mm Thickness:6mm-70mm Your requirements





Width: 20mm-150mm Width:16mm-80mm





Size Tolerances:
Hot-rolled steel round or square bar:










d/a(mm) 5.5-7 720 20-30 30-50 50-80 80-110 110-150 150-190 190-250
(mm) 0.3 0.35 0.4 0.5 0.7 1 1.3 2 2.5









-0.3 -0.35 -0.4 -0.5 -0.7 -1 -1.3 -2 -2.5
Hot-rolled flat bar:



Width(mm) Thickness(mm)



Size Size tolerance Size Size tolerance




Normal Better
Normal Better



10-50 +0.5, -1.0 +0.3, -0.9 3-16 +0.3, -0.5 +0.2, -0.4



50-75 +0.6, -1.3 +0.4, -1.2 16-60 +1.5% +1.0%



75-100 +0.9, -1.8 +0.7, -1.7





100-150 +1.0%, -2.0% +0.8%, -1.8% -3.0% -2.5%




Contact us if you need more details on Alloy Steel Bar. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Structural Steel Bar、Hot Rolled Steel Bar. If these products fail to match your need, please contact us and we would like to provide relevant information.

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