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Categories | Stainless Steel Bolts |
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Brand Name: | TOBO |
Model Number: | B |
Certification: | CE |
Place of Origin: | China |
MOQ: | 20Kg |
Price: | USD600-1500/TON |
Payment Terms: | T/T |
Supply Ability: | Max 150 tons/month |
Delivery Time: | According to the order |
Packaging Details: | Neutral packaging or customized packaging |
Standard: | DIN, ANSI, ISO, GB, JIS |
Color: | Black,green,pink,blue |
Grade: | A193 B7 B7M,700N,10.9,4.8 6.8 8.8-12.8ect,4.8 |
Surface treatment: | Zinc-plated,Zinc,hot galvanized,Plain or Zine-plated |
Size: | M6-M100,M4-M54,can be customized,M2-M64 |
Material: | Carbon Steel,Stainless Steel,alloy steel,Brass,copper |
Company Info. |
TOBO GROUP LTD |
Verified Supplier |
View Contact Details |
Product List |
In Petro and chemical industry for flange connections Stud Bolts and Hex Bolts are used. The Stud Bolt is a threaded rod with 2 heavy hexagon nuts, while the Hex Bolt has a head with one nut. Nuts and head are both six sided.
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 |
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