ASTM A193 Gr. B7 F1554 Gr. 55 Alloy Steel Bar for High Tensile Bolt

Model NO.
alloy steel bar
Composition
Ferrous Steel Scrap
Technique
Hot Rolled+Qt or Cold Drawn+Qt
Shape
Bar
Surface Treatment
Polished,Cold Drawn or Griding
Special Use
Fasteners
Application
Structural Steel Bar
Raw Material
Alloy Steel Rod
Usage
High Tensile Bolt
Threading Rod
Threaded Rod
Main Grade
ASTM A193 B7,B16,4140,Scm440
Transport Package
Anti-Rust Packaging
Specification
size: 5-100mm
Trademark
Dajin
Origin
China
Production Capacity
30000
Reference Price
$ 864.00 - 882.00
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Product Description

ASTM A193 Gr.B7 F1554 Gr.55  alloy  steel bar for high tensile bolt
Alloy steel  bar B16   B6  B7 B7M(AISI 4140 4142 4145 4140H) for high tensile bolts
Grade: ASTM A193 B16   B7 B
Mark: Cr-Mo
Size: 12mm-300 mm
Application:autopart or high tensile bolts  

ASTM A193 Gr. B7 F1554 Gr. 55 Alloy Steel Bar for High Tensile Bolt
ASTM A193 Gr. B7 F1554 Gr. 55 Alloy Steel Bar for High Tensile Bolt

Chemical composition:
  C Mn P S Si Cr Mo V Al
Chemical
composition 		0.36
0.47 		0.45
0.70 		Max
0.035 		Max
0.040 		0.15
0.35 		0.80
1.15 		0.50
0.65 		0.25
0.35 		Max
0.015
tolerance +-0.02 +-0.03 +-0.005 +-0.005 +-0.02 +-0.05 +-0.03 +-0.03  
Type: Ferrite steel
Shapes and Dimensions:
Nominal
Size(mm) 		Cross
Section Size(mm) 		Length
(mm) 		Straightness
(mm/m) 		Corner Angle Corner
Radius
(mm) 		Ground Roughness
Rt(max)
125-130RCS 125-130
(+3, -5) 		2800-3000 Max. 5 90°+-2° 10-25 100um
Size Tolerance:
Length tolerance: + 5 0mm/-0mm
Side length tolerance: +/-2mm
Straightness: Max 3 mm/m
Quality Contation
Both end of each bar must be cut.
Ladle furnanced and vacuum de-gassed
Show heat No. on each bar
Surface condition the surface of the hot rolled square bar shall befree cracks, scar and wrinkles that affect the use of the billets. In case there is the above-mentioned defect, it shall be remove.
ASTM A193 Gr. B7 F1554 Gr. 55 Alloy Steel Bar for High Tensile Bolt
ASTM A193 Gr. B7 F1554 Gr. 55 Alloy Steel Bar for High Tensile Bolt
ASTM A193 Gr. B7 F1554 Gr. 55 Alloy Steel Bar for High Tensile Bolt
ASTM A193 Gr. B7 F1554 Gr. 55 Alloy Steel Bar for High Tensile Bolt
ASTM A193 Gr. B7 F1554 Gr. 55 Alloy Steel Bar for High Tensile Bolt
ASTM A193 Gr. B7 F1554 Gr. 55 Alloy Steel Bar for High Tensile Bolt
ASTM A193 Gr. B7 F1554 Gr. 55 Alloy Steel Bar for High Tensile Bolt
ASTM A193 Gr. B7 F1554 Gr. 55 Alloy Steel Bar for High Tensile Bolt

 

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