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 | ASTM A193 ASTM A320 ASTM A325 alloy steel fasteners bolt nut washer |
| 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 | ASTM A193 ASTM A320 ASTM A325 alloy steel fasteners bolt nut washer |
| 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 | ASTM A193 ASTM A320 ASTM A325 alloy steel fasteners bolt nut washer |
| 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 | ASTM A193 ASTM A320 ASTM A325 alloy steel fasteners bolt nut washer |
| Certification | ISO9001 | Place of Origin | China |
| High Light | alloy steel fasteners ，threaded rod fasteners | ||
ASTM A193 ASTM A320 ASTM A325 alloy steel fasteners bolt nut washer
1. Alloy steel introduction:
Alloy Steel is the most common material that fasteners are manufactured in. Alloy steel fasteners are often treated, coated or plated with zinc for additional corrosion resistance. Alloy steel is used for the hot dipped galvanized process, treated in a molten zinc bath which creates a tightly bonded alloy finish. Alloy steel is most often available in Grade A, Grade C, Grade 2, Grade 5 and Grade 8. Untreated alloy steel fasteners are black.
2. ASTM A193 ASTM A320 ASTM A325 fasteners dimension
| Size | Metric diameter M5 to M100 ;Inch Diameter 1/4” to 3” ,Length:10-3000mm |
| Material | 316L ,316LN,316Lmod,316Ti,317L, 317LN, 321,310S, 904L 254SMO AL6XN 1.4529 Super austenitic alloy |
| Duplex stainless steel 2205 ,duplex stainless steel 2507, | |
| Hastelloy C276, Hastelloy C4, Hastelloy C22, Hastelloy B2 ,HastelloyB3, | |
| Monelk500, Monel400, GH2132/A286, GH4169/Inconel718, Inconel600, Inconel601, Inconel625, | |
| Incoloy800/800H/800HT, Incoloy825,Alloy59.alloy20 | |
| Product range | Bolt ,nut ,screw ,washer, thread rod , flange, welding wire |
| Standard | DIN ASME GB JIS non-standard products |
| Logo | HT , also according to client’s requirements |
| MOQ | 50pcs at least, also according to size and material |
3. Alloy Bolt strength chart:
| Specification | Description | Material | Proof Load | Yield Strength Min (psi) | Tensile Strength Min (psi) |
| SAEJ429 Grade 5 ASTM A449 | Bolts, Screws, Studs | Medium Carbon Steel | 85,000 74,000 | 92,000 thru 81,000 | 120,000 thru 105,000 |
| SAE J429 Grade 5.1 | Sems | Low or Medium Carbon Steel | 85,000 | 120,000 | |
| SAE J429 Grade 5.2 | Bolts, Screws, Studs | Low Carbon | 85,000 | 92,000 | 120,000 |
| ASTM A325 Type 1 | High Strength Structural Bolts | Medium Carbon | 85,000 74,000 | 92,000 thru 81,000 | 120,000 thru 105,000 |
| ASTM A325 Type 2 | High Strength Structural Bolts | Low Carbon | 85,000 | 92,000 | 120,000 |
| ASTM A325 Type3 | High Strength Structural Bolts | Corrion Resistant Steel | 85,000 74,000 | 92,000 81,000 | 120,000 105,000 |
| ASTM A354 Grade BB | Bolts,Studs | Alloy Steel | 80,000 75,000 | 83,000 78,000 | 105,000 100,000 |
| ASTM A354 Grade BC | Bolts,Studs | Alloy Steel | 105,000 95,000 | 109,000 99,000 | 125,000 115,000 |
| SAEJ429 Grade 7 | Bolts, Screws | Medium Carbon Alloy Steel | 105,000 | 115,000 | 133,000 |
| SAEJ429 Grade 8 | Bolts, Screws, Studs | Medium Carbon Alloy Steel | 120,000 | 130,000 | 150,000 |
| ASTM A354 Grade BD | Bolts, Screws, Studs | Alloy Steel | 120,000 | 130,000 | 150,000 |
| SAEJ429 Grade 8.1 | Studs | Medium Carbon Steel | 120,000 | 130,000 | 150,000 |
| ASTM A490 | Structural Bolts | Alloy Steel | 120,000 | 130,000 | 150,000 thru 170,000 |
| ISO R898 Class 4.6 | Bolts, Screws, Studs | Low or Median Steel | 33,000 | 36,000 | 60,000 |
| ISO R898 Class 5.8 | Bolts, Screws, Studs | Low or Median Steel | 55,000 | 57,000 | 74,000 |
| ISO R898 Class 8.8 | Bolts, Screws, Studs | Median Steel | 85,000 | 92,000 | 120,000 |
| ISO R898 Class 8.8 | Bolts, Screws, Studs | Median Steel | 85,000 | 92,000 | 120,000 |
| ISO R898 Class 10.9 | Bolts, Screws, Studs | Alloy Steel | 120,000 | 130,000 | 150,000 |
Head markings on a bolt are a quick way to determine bolt grade. Some bolts will have additional markings that indicate the manufacturer; the most prized bolts have clean heads with limited markings.
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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