Gold Member Since 2014
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Qingdao Helio Steel Co., Ltd.

Quenched and Tempered Steel, Quenched and Tempered Steel Bar, Qt Steel manufacturer / supplier in China, offering AISI 4140 / B7 Qt Steel Bar, High Quality Round Bar /Steel 1045 S45c, B2 B3 B4 Hot Rolled Steel Bar for Making Steel Ball and so on.

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AISI 4140 / B7 Qt Steel Bar

FOB Price: US $700 / Ton
Min. Order: 5 Tons
Min. Order FOB Price
5 Tons US $700/ Ton
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Production Capacity: 3000tons Per Month
Transport Package: Anti-Rust Package
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram

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Basic Info
  • Model NO.: QT steel bar
  • Standard: AISI, ASTM, GB, JIS, DIN, BS
  • Application: Structural Steel Bar, Tool Steel Bar
  • Alloy: Alloy
  • Product Item: Qt Steel Bar
  • Processing: Qt / Qt+Cold Drawn / Qt+Polished
  • Trademark: Helio
  • Origin: China
  • Type: Alloy Steel Bar
  • Technique: Qt
  • Surface Treatment: Black or Polished
  • Special Use: Mold Steel
  • Main Grade: SAE 5140 / AISI 4140 / B7
  • Manufacturer of Not: Manufacturer
  • Specification: 16-310mm
  • HS Code: 72283090
Product Description
AISI 4140 / B7 QT STEEL BAR
AISI 4140 / B7 QT STEEL BAR
AISI 4140 / B7 QT STEEL BAR


 

QT steel bar is quenched and tempered steel bar which includes two stages of heat treatment.


Quenching and tempering achieves an extremely fine-grained and homogeneous microstructure, high strength and good ductility.
We can supply QT hot rolled steel bars, QT cold drawn steel bars, QT peeled steel bars as well as QT forged steel bars.

Main grade 

 

CommodityGBDINASTM SAE AISIBSJIS
Carbon Steel BarQ235S235JRASTM A36S235JR SS400 
SM400B
A105/A105//
10#C10E1010C10ES10C
15#C15E1015C15ES15C
20#CK22, CK201020050A20S20C
35#C351035IC35S35C
45#CK45, C451045080M46S45C
50#C501050IC50S50C
55#C551055IC55S55C
60#C60E1060C60ES60C
Low Alloy Steel BarQ345S355JR, 
S355J0, 
S355J2
ASTM 572M S355JR,
S355J0 ,
S355J2
G3135 
SPFC590 
 G3124 
SEV245
Q420S420M 
S420E
HSLAS
 STEEL
 GRADE 65
S420M
 S420E
G3124 
SEV345
Q460E460EHSLAS 
STEEL 
GRADE 70
E460E/
Alloy Steel Bar20Cr20Cr4 17Cr3512020Cr4 
17Cr3
SCr420
40Cr41Cr45140520M40SCr440
15CrMo13CrMo4-5411813CrMo4-5SCM415
20CrMo18CrMo4 
25CrMo4
412018CrMo4 
25CrMo4
SCM420
30CrMo 25CrMo4413025CrMo4SCM430
35CrMo34CrMo4413534CrMo4SCM435
42CrMo42CrMo4414042CrMo4SCM440
20CrNiMo21NiCrMo28620805M20SNCM220
40CrNiMo/4340871M40SNCM439
Gear Steel Bar16CrMn
 20CrMnTi
 20CrMn
16MnCr5 
20MnCr5
511516MnCr5 
20MnCr5
SMnC420
Spring Steel Bar60Si2MnA65SiCr79260 9260H250A61SUP7
60Si2CrA60SiCrV7 //60SiCrV7 
55CrMnA 60CrMnA55Cr35155 516055Cr3SUP9 
SUP9A
50CrVA50CrV46150735A50SUP10
Bearing Steel BarGCr15100Cr652100534A99SUJ2
GCr15SiMn100CrMnSi6
-4
/100CrMnSi6
-4
SUJ3
Steel Round Bar for 
Grinding Ball
B2  B3////


AISI 4140 / B7 Qt Steel Bar

AISI 4140 / B7 Qt Steel Bar

AISI 4140 / B7 Qt Steel Bar

AISI 4140 / B7 Qt Steel Bar

We company, Qingdao Helio Steel is one of the lead manufacturer for cold drawn/cold finished steel bars in Shandong Province, China. Our factory own three sets of cold drawn/cold finished steel bar with all shapes (round,square,hex,special shape),also we have the most advanced heat treatment equipment, polishing equipment, cutting machine and so on.Size of cold drawn/cold drawn finished steel bars mainly from 5mm to 120mm, welcome customer all over the world send inquiry to us, we can offer free samples for quality approve before oders.

Contact:Phoebe Chen (Export department manager)
Mobile:0086 18963469091
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