Zhengzhou Huitong Pipeline Equipment Co.,Ltd.
| Payment Terms | L/C,T/T, Western Union |
| Supply Ability | 1000 set per month |
| Delivery Time | 30-35 work days |
| Packaging Details | wooden case, wooden pallet |
| Product Type | Bolt, Nut, Washer, Stud bolt, U bolt |
| Name | DIN933 DIN931 ASTM A453 Grade 660 A B C D hex head plug full partial thread |
| Size | M6-M100 |
| Finish | Cold galvanizing, Zinc-Nickel, Black, Cadium plated |
| Producing standard | DIN, ASME |
| Material | Nickel alloy/stainless steel/duplex stainless |
| Brand Name | HT |
| Model Number | DIN933 DIN931 ASTM A453 Grade 660 A B C D hex head plug full partial thread |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T, Western Union | Supply Ability | 1000 set per month |
| Delivery Time | 30-35 work days | Packaging Details | wooden case, wooden pallet |
| Product Type | Bolt, Nut, Washer, Stud bolt, U bolt | Name | DIN933 DIN931 ASTM A453 Grade 660 A B C D hex head plug full partial thread |
| Size | M6-M100 | Finish | Cold galvanizing, Zinc-Nickel, Black, Cadium plated |
| Producing standard | DIN, ASME | Material | Nickel alloy/stainless steel/duplex stainless |
| Brand Name | HT | Model Number | DIN933 DIN931 ASTM A453 Grade 660 A B C D hex head plug full partial thread |
| Certification | ISO9001 | Place of Origin | China |
| High Light | double ended stud ，duplex steel fasteners | ||
DIN933 DIN931 ASTM A453 Grade 660 A B C D hex head plug full partial thread
1. ASTM A453 Standard Specification
This specification covers five grades of bolting with twelve classes of yield strength ranging from 50 to120ksi[345 to 827 Mpa] for use in high-temperature service such as fasteners for pressure vessel and valve flanges. See Specification A962/A962M for the definition of bolting. The material requires special processing and is not intended for general purpose applications.
| ASTM A453 | Standard Specification for High-Temperature Bolting, with Expansion Coefficients Comparable to Austenitic Stainless Steels | |||
| Material Grade | Grade 660 A B C D | |||
2. ASTM A453 Grade 660 Chemical Composition
| Element | Content, % | Product Analysis Variation Over or Under, % |
| C | 0.08max | 0.01 over |
| Mn | 2.00max | 0.04 |
| P | 0.040max | 0.005 over |
| S | 0.030max | 0.005 over |
| Si | 1.00max | 0.05 |
| Ni | 24.0-27.0 | 0.20 |
| Cr | 13.5-16.0 | 0.20 |
| Mo | 1.00-1.50 | 0.05 |
| W | ... | ... |
| Ti | 1.90-2.35 | 0.05 |
| Co | ... | ... |
| Al | 0.35max | 0.05 over |
| V | 0.10-0.50 | 0.03 |
| B | 0.001-0.010 | 0.0004 under to 0.001 over |
| Cu | ... | ... |
ASTM A453 660 Mechanical Property Requirements
| Class | Tensile Strength min | Yield Strength (0.2% Offset), min | Elongation in 4*Diam, | Reduction of Area, min, % | Brinell Hardness Number | Approximate Rockwell Hardness, B and C | ||||
| ksi | Mpa | ksi | Mpa | min, % | Min | Max | ||||
| Grade | A,B, and C | 130 | 895 | 85 | 585 | 15 | 18 | 248-341 | 24HRC | 37HRC |
| D | 130 | 895 | 105 | 725 | 15 | 18 | 248-321 | 24HRC | 35HRC | |
3. ASTM A453 660 hex bolt surface treatment
Bright
PTFE plated/coated
4. ASTM A453 660 common package
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1978
Total Annual:
10000000-20000000
Employee Number:
50~100
Ecer Certification：
Active Member
Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fitti... Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fitti...
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