A193 Gr B7 B16 4140 Alloy Steel Bar for High Tensile Bolts

• Customization: Available
• Type: Round
• Standard: AISI, ASTM, DIN, JIS, GB
• Model NO.: cold drawn steel bar
• Composition: Ferrous Steel Scrap
• Technique: Hot Rolled or Cold Drawn
• Shape: Bar
• Surface Treatment: Polished
• Special Use: Cold Heading Steel, Mold Steel, ASTM A193 B7 Stud Bolts and Nuts
• Application: Structural Steel Bar
• Model No: A193 B7
• Heat Treatment: Quenching and Tempering
• Shapes: Round and Hexagonal
• Delivery Condition: Hot Rolled,Cold Drawn,Forged
• Transport Package: Seaworthy Pacakging
• Specification: dia: 5mm-300mm
• Trademark: dajin
• Origin: China
• Production Capacity: 3000

Product Description

a193 b7 alloy steel round bars for stud bolts and nuts

Alloy steel astm a193 b7 material is considered as the most suitable for botls and nuts to be used at temperature below 450 degree C, with a minimum effect on its structural strength during application at a high temperature.
 
astm a193 b7 alloy steel bar specification for astm a193 b7 stud bolts and buts
 
1. astm a193 b7 steel round bars production line: EAF + LF+ CC + HR 
 
2. astm a193 b7 alloy steel round bar further processing: cold drawn, peeled, QT




3. astm a193 b7 alloy steel chemical composition:

C	SI	MN	S	P	CR	MO
0.37-0.49	0.15-0.35	0.65-1.10	0.035(MAX)	0.035(MAX)	0.75-1.20	0.15-0.25

4. astm a193 b7 alloy steel mechanical property:

Dia	Minimum temperature	Tensile strength	Yield strength	Elongation	Reduction of area	Hardness
Below 65mm	593 ° C	860	720	16	50	35 HRC
65mm to 100mm	593 ° C	795	655	16	50	35 HRC
100mm to 160mm	593 ° C	690	510	18	50	29 HRC

5. astm a193 b7 steel hexagonal bars is mainly cold drawn hexagonal bars which is used for hexagonal nuts. The diameters we supply is from 16mm to 75mm.

6. astm a193 b7 round bar picture:
astm a193 b7 hot rolled round bars


astm a193 b7 cold drawn bars 


astm a193 b7 peeled bars



 
7.  astm a193 grade b7 steel bars inspection after quenching and tempering:







 

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