Steel & Products

Home > Product > Steel Round Bar

Mill Finish Round Bar 40cr Gr. 8.8 Qt Steel Bars

Laiwu Xincheng Metal Co., Ltd.
  • Type：Alloy Steel Bar
  • Standard：AISI, ASTM, GB, JIS, DIN, BS
  • Technique：Cold Drawn-Qt
  • Application：Structural Steel Bar, Tool Steel Bar, Die Steel Bar
  • Surface Treatment：Oiled
  • Alloy：Alloy

Base Info

  • Model NO.：40Cr Gr. 8.8 QT Steel Bars
  • Special Use：Mold Steel, Cold Heading Steel
  • Grade：40cr , SAE 5140
  • Property Standard：Grade8.8
  • Delivery Condition：Quenched and Tempered
  • MOQ：2tons Per Size
  • Sample：Free Samples Supplied
  • Transport Package：Standard Export Packing
  • Specification：M8-M64
  • Trademark：Laiwu Xincheng
  • Origin：China
  • HS Code：72283090
  • Production Capacity：3000tons,Month

Description

HardnessMpaMpa%%10.9≥1040≥940≥9≥48≥50HRC32-398.8≥830≥660≥12≥52≥70HRC23-34
40cr / SCR440 / 5140 / 41cr4 Quenched and Tempered Steel Bars for Gr. 8.8 / Gr. 10.9 Bolts
4.Sizes we can offer for 40Cr sae 5140 QT bars :5mm to 64mm .
Above 64mm, we suggest materials of 4140 or 4135.

5.Delivery condition choice:
1.Hot rolled
2.Hot rolled+Q&T
3.Cold drawn+Q&T

6.Quality control:
We company have good QC inspection tear and full set of inspect equipment including: UT test machine, Tensile testing machine,Hardness testing machine,Dimensional measuring instrument,f,spectrometer,Metallographic microscope and so on, so that we can always supply good mateterials for various projects and industries .

7.MOQ for QT steel bars: 2tons
8.Our payment term:TT or LC.
9.Delivery time : 7-30 days upon to your sizes&quantity.
Mill Finish Round Bar 40cr Gr. 8.8 Qt Steel BarsMill Finish Round Bar 40cr Gr. 8.8 Qt Steel BarsMill Finish Round Bar 40cr Gr. 8.8 Qt Steel Bars