ASTM A193 Grade B7 Steel4140 Heat-Treated Chromium-Molybdenum Plain Steel Bar for Threaded Rods and Anchor Bolts

Product Details
Customization: Available
Type: Alloy Steel Bar
Standard: AISI, ASTM, GB, JIS, DIN, BS
Diamond Member Since 2019

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  • ASTM A193 Grade B7 Steel4140 Heat-Treated Chromium-Molybdenum Plain Steel Bar for Threaded Rods and Anchor Bolts
  • ASTM A193 Grade B7 Steel4140 Heat-Treated Chromium-Molybdenum Plain Steel Bar for Threaded Rods and Anchor Bolts
  • ASTM A193 Grade B7 Steel4140 Heat-Treated Chromium-Molybdenum Plain Steel Bar for Threaded Rods and Anchor Bolts
  • ASTM A193 Grade B7 Steel4140 Heat-Treated Chromium-Molybdenum Plain Steel Bar for Threaded Rods and Anchor Bolts
  • ASTM A193 Grade B7 Steel4140 Heat-Treated Chromium-Molybdenum Plain Steel Bar for Threaded Rods and Anchor Bolts
  • ASTM A193 Grade B7 Steel4140 Heat-Treated Chromium-Molybdenum Plain Steel Bar for Threaded Rods and Anchor Bolts
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Basic Info.

Model NO.
ASTM A193 Grade B7 plain steel bar
Application
Structural Steel Bar, Tool Steel Bar, Die Steel Bar
Surface Treatment
A193 B7 4140 Q&T Steel
Alloy
Alloy
Special Use
Mold Steel, Free Cutting Steel, Cold Heading Steel
Grade
ASTM A193 B7 4140
Condition
Q&T Steel Round Bars
Raw Material
4140 Qt Bars
Sizes
M8-M120
Applications
Threaded Rod, Ahchor Bolts, Studs, Bolts
MOQ
2tons
Length
3660mm, 6m or as Required
Products
A193 B7 Q&T Steel Round Bars
A193 B7 Yield Strength
Min 720MPa
A193 B7 Tensile Strength
Min 860MPa
A193 B7 Elongation
16% Min
Surface
Smooth
Transport Package
Standard Export Packing
Specification
M12-M100
Trademark
Laiwu Xincheng
Origin
China
HS Code
72283090
Production Capacity
3000tons/Month

Product Description

ASTM A193 Grade B7 Steel4140 Heat-Treated Chromium-Molybdenum Plain Steel Bar for threaded rods and anchor bolts

ASTM A193 Grade B7 Chromium Molybendum steel, normally AISI 4140, heat treated to 28-32Rockwell Hardness, 125,000 PSI tensile strength, 105, 000 PSI yield. It will hold it's strength to 1000 degrees F.

ASTM A193 Grade B7 Threaded Rod is a kind of high strength and heat resistant threaded rod manufactured from 4140/4142 quenched and tempered alloy steel for high temperature or high pressure service, used by the plumbing and contracting trade in maintenance departments to secure pressure tanks, valves, and flanges.

1.A193 B7 round bar Chemical composition: (raw material aisi 4140 )
Grade C Si Mn P S Cr Mo
SAE 4140 0.37-0.49 0.15-0.35 0.65-1.1 Max0.035 Max0.04 0.75-1.20 0.15-0.25

2.A193 B7 Round Bar Properties:
Tensile Strength Yield Strength Elongation Reduction Area Hardness
Mpa MpA % % HRC
min860 min720 min12 min50 max35

3.Sizes of A193 B7 QT steel bars we can supply :
Hot rolled steel round bar :M12-M310
Hot Rolled & QT (Quenched and tempered): M12-M120
Cold Drawn&QT (Quenched and tempered):M6-M120
Peeled+QT(Quenched and tempered):M20-M120

4.A193 B7 QT bars packing : surface oiled+ Woven cloth 
5.Straightness of QT bars: Max 1mm/m (important )

6.Payment terms: T/T or L/ C
(1)30% paid by T/T and rest 70% by T/T upon the copy of B/B.
(2)100% irrevocable L/C at sight
7.Delivery time:within 7 days after your deposit or L/C.
8.Mark: including steel material, heat No., pieces, weight, date and so on.
9.Quality control
1.Process for Steel round bar
Blast Furnance→ Molten Iron Pretreatment→Converter→LF→VD/RH→ContinuousCasting→Hot Rolling(KOCKS)→ Heat Treatment→ UT Inspection→Finish Product
EAF→LF→VD/RH→ Continuous Casting→Hot Rolling(KOCKS)→ Heat Treatment→ UT Inspection→ Finish Product
2.Grain Sizes:5-8
3.Surface condition: The surface of the bar shall be free cracks, scar and wrinkles at affect the use of the billets. 
4.The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition shall be within the limit stipulated in the contract


ASTM A193 Grade B7 Steel4140 Heat-Treated Chromium-Molybdenum Plain Steel Bar for Threaded Rods and Anchor BoltsASTM A193 Grade B7 Steel4140 Heat-Treated Chromium-Molybdenum Plain Steel Bar for Threaded Rods and Anchor BoltsASTM A193 Grade B7 Steel4140 Heat-Treated Chromium-Molybdenum Plain Steel Bar for Threaded Rods and Anchor Bolts




 

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