A193 B7 B7m B8 L7 Stud Bolts with Black and Zinc Finish, Petrochemical Industry Parts

• Customization: Available
• Type: Alloy Steel Bar
• Standard: AISI, ASTM, DIN, JIS
• Model NO.: A193 B7
• Composition: Ferrous Steel Scrap
• Technique: Cold Drawn
• Shape: Bar
• Surface Treatment: Polished
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Cold Heading Steel
• Application: Structural Steel Bar
• Surface: Bright Steel Rod
• Raw Material: Carbon Steel
• Main Grade: ASTM193 A193 B7
• Supply Condition: Cold Drawn/Hot Rolled
• Ready Stock: 1000 Tons
• Free Samples: Yes
• Lead Time: 7-30 Days Noamally
• Customized: Customized
• Price: Negotiable
• Other Request: Acceptable
• Transport Package: Anti-Rust Packaging
• Trademark: Dajin
• Origin: China
• Production Capacity: 4000000 T/Year

Product Description

 A193 B7 B7m B8 L7 Stud Bolts with Black and Zinc Finish, Petrochemical Industry Parts

1.Product Description

Stud bolts/Double-end bolt,threaded rod
Standard:	No standard,AS,ISO,DIN976/DIN975 ASME B 18.31,DIN 2509,DIN 938,API 20E
Size:	M12~M100 (1/2 "~4"),Thread Length: 55~8800mm
Material:	Carbon Steel, Alloy Steel,Stainless steel...
Grade:	Gr.6.8 , 8.8 ,10.9 ,12.9 ,10.9HV,10.9HR,8.8HR,B7,B7M,B16,L7,L7M ,L4 3   ,B 8,B8  M  , 660A\B\C\D, N4400,410,420,600, 625,655,665,718,2205,2507,F51,F53,C276,17-4,825,925,N08020
Thread:	UNC, UNF
Finish:	Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Magni,Geomet,H.D.G.,Electrophoresis etc.
Packing:	bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Application:	Oil drilling and production equipment, petrochemical equipment, pump valves and seals, petrochemical pipeline containers,      offshore platforms, oil well production and seawater/water injection sewage pipelines, hydrogen energy electrolyte tanks,          offshore wind power, land-based steel tower wind power and mixed tower wind power, etc.
Test Equipments:	Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector,Projector, Magnetic flaw detecte
Supply Ability:	1000 tons per month
Minimumoder	1000kgs for each specification
Trade Term:	FOB/CIF/CFR/CNF/EXW/DDU/DDP
Payment :	T/T, L/C, etc
Market:	South&north Amrica/Europe/East&South east Asia/ Australia and ect.
Professional:	More than 10 years experience in fasteners industry Our Main market is North&South America and proficient in IFI standard.
Our advantage:	One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; Samples for free.
Notice:	Please lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us.

2.ASTM A193 Gr.B7   Cold drawn steel bar size tolerance

h9,h10,h11 or other tolerance according to client's requirement

3.ASTM A193 Gr.B7  Cold drawn steel bar chemical composition(%)
 

Grade	C	Cr	Si	S	Mn	P	Mo
ASTM A193 Gr.B7	0.37 - 0.49	0.80 - 1.10	0.15 - 0.35	0.04 max	0.65 - 1.10	0.035	0.15 - 0.25

4.ASTM A193 Gr.B7 Alternative grade in different standard
 

GB	42CrMo
ASTM	4140
JIS	SCM440
DIN	1.7225

 

5.ASTM A193 Gr.B7 Typical Mechanical Properties

 

Grade	Tensile Strength Mpa	Yield Strength Mpa	Elongation %	Reduction %	-40ºCAkv2/J	Hardness
10.9	≥1040	≥940	≥9	≥48	≥50	HRC32-39
8.8	≥830	≥660	≥12	≥52	≥70	HRC23-34

6.Straightness: 1mm/m(max)

7. Steel bar Packing:
*Bars from different heats will not be mixed and dispatched.
*Bars will be bundles and securely metal strapped in 3 min places of the bar length and tagged properly.
*For further processing products such as cold drawn/peeled or heat treated goods, plastics bag wrapped or pallet loading is available according to customer's demands.

8.Delivery time of steel bar:
7-10days of stock,30 days after order confirmed of new material

9.Payment term:TT or LC

10.Free sample:Yes

11.steel bar Inspection: Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,UT test


12.Our cold drawn factory equipments
We adopt advanced production technology and first-class processing equipments, such as heat treatment furnace, straightening machine, centerless grinding machine, polishing machine, as well as lathing and milling machine etc.

15.Our steel bar mill's certificates

ISO901&ISO.TS16949,ISO4001,OHSAS18001
Special Equipment Manufacturing License of P.R.C for pipeline plate,steel plate for boiler&Vessel;
ISO/TS16949 2009 for Manufacturing of Special steel;
Europe CE Mark Certificate;JIS MARK,KS MARK.

With dynamic and passionate professional sales team and technical team,Our company Dajin make great efforts to integrate China's steel resources and dedication to customers the provision of specialized steel products and services.Hope establish a good relationship with clients, growth together.

We have Largest inventory of ASTM A193 Gr.B7 Round Bar. ASTM A193 Gr.B7 Bars, ASTM A193 Gr.B7 Alloy Steel Round Bar Suppliers, ASTM A193 Gr.B7 Steel Bars Exporter in Turkey, ASTM A193 Gr F92 Threaded Bars, ASTM A193 Gr.B7 Round Bars Dealer in Egypt, ASTM A193 Grade B7 Steel Bar, A193 B7 Alloy Steel Black Bars Suppliers in Mumbai, India, Alloy Steel A193 B7 Bars, ASTM A193 Grade B7 Rods, ASTM A193 Grade B7 Alloy Steel Bar, Alloy Steel Gr B7 Bars Stockholder in Singapore, ASTM A193 Gr.B7 Alloy Steel Bar, ASTM A193 Alloy Steel B7 Bars, ASTM A193 Gr.B7 Square Bars Distributors in Malaysia, ASTM A193 A193 B7 Bars, ASTM A193 Gr.B7 Alloy Steel Hex Bars in Oman, ASTM A193 Gr.B7 Round Bars Suppliers, Chrome Moly Grade B7 Bar in Qatar, ASTM A193 Gr.B7 Bright Bars Stockist in Indonesia, Alloy Steel B7 Polished Bar in Jordan, Alloy Steel ASTM A193 Gr.B7 Rectangle Bar in South Africa, Alloy Steel B7 Rod Suppliers in Italy, We are india's most trusted Manufacturer, Suppliers & Exporter of ASTM A193 Gr.B7 Alloy Steel Round Bars, ASTM A193 Gr.B7 Alloy Steel Rods are Available in Different Dimensions and Specifications in CHINA.