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{"title":"ASME Flat Head Self Tapping Screws CFR Hdg Bolts And Nuts","imgUrl":"https:\/\/img.chinax.com\/nimg\/f3\/29\/f1249ba45e045830de6c8e93ffeb-200x200-1\/asme_flat_head_self_tapping_screws_cfr_hdg_bolts_and_nuts.jpg","attrs":{"Brand Name":"TOBO","Model Number":"Roofing screw","Certification":"CE","Place of Origin":"China"}}
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DIN976-2 Double End Studs Bolt full thread - Grade B carbon steel zinc plated surface
Materials for Stud Bolts
Dimensions from Stud Bolts are defined in the ASME B16.5 standard. The material qualities for studs are defined in the different ASTM standards, and are indicated by Grade. Frequently used grades are A193 for thread rods and A194 for the nuts.
ASTM A193 covers alloy and stainless steel bolting material for pressure vessels, Valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications. ASTM A194 covers a variety of carbon, alloy, and martensitic and austenitic stainless steel nuts. These nuts are intended for high-pressure or high-temperature service, or both.
Grades of Stud Bolts
Below a table with materials and grades for flanges, thread rods (bolts) and nuts, arranged on design temperature, flanges, thread rods and recommended nuts.
DESIGN TEMP.
FLANGES
GRADE THREAD RODS
GRADE NUTS
-195° to 102°C
ASTM A182 Gr. F304, F304L, F316, F316L, F321, F347
A320 Gr.B8 Class2
A194 Gr.8A
-101° to -47°C
ASTM A350 Gr.LF3
A320 Gr.L7
A194 Gr.7
-46° to -30°C
ASTM A350 Gr.LF2
A320 Gr.L7
A194 Gr.7
-29° to 427°C
ASTM A105
A193 Gr.B7
A194 Gr.2H
428° to 537°C
ASTM A182 Gr.F11, F22
A193 Gr.B16
A194 Gr.2H
538° to 648°C
ASTM A182 Gr.F11, F22
A193 Gr.B8 Class1
A194 Gr.8A
649° to 815°C
ASTM A182 Gr. F304H, F316H
A193 Gr.B8 Class1
A194 Gr.8A
DESIGN TEMP.
FLG'S
GRADE THREAD RODS
GRADE NUTS
Products Show
Package & Shipping
Package details:
1) Sample order, 20/25kg per carton with our logo or neutral package;
2) For Large orders, we can custom packaging;
3) Normal Packing: 1000/500/250pcs per small box. then into cartons and pallet;
4) According to customers' requirements.
FAQ
1.How do you let me trust you?
We are a Golden supplier in Alibaba who do business for more than 5 years. You can make an order by Alibaba to us directly.
2.How about your price?
High-quality products with a reasonable price suitable for your market.
3.How do you control your quality?
We request a QC inspection for each batch of goods. And we can provide you inspection report and mill certificate if you want..
4.Could you provide free samples?
For new customers, We can provide free samples for standard fasteners. But the clients will pay the express charges. For regular customers, We will send you free samples and pay express charges by ourselves.
5.How about yourdelivery time?
Generally speaking, All the goods have stock with little quantity, we can delivery them with one week. If the quantity is 1-2container, we can give you with 30-45days.
6.What is your packing?
Our packing is 20-25kg for one carton,36 or 48pcs cartons for one pallet. One pallet is about 900-960kg, We also can make the customer's logo on the cartons. Or we customized cartons according to customers' requirement, If you need small box packing, we can do according to your requirement.
7.What is your payment term?
We can accept T/T,LC for general order. For new customer, we request 20%-50% T/T in advance, and balance payment should against B/L copy. For regular customer, we can provide delay payment after B/L date about 30-90 days.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
5000000-6000000
Ecer Certification：
Verified Supplier
TOBO GROUP LTD is a professional fastener manufacturer and exporter in China. We produce various types of fasteners (include non-standard) in GB, DIN, BS, ANSI/ASME, IFI, ISO, and JIS with 300 tons of monthly productivity. Our main products are bolts, nuts, screws, threaded rods, plain was... TOBO GROUP LTD is a professional fastener manufacturer and exporter in China. We produce various types of fasteners (include non-standard) in GB, DIN, BS, ANSI/ASME, IFI, ISO, and JIS with 300 tons of monthly productivity. Our main products are bolts, nuts, screws, threaded rods, plain was...
