Hangzhou FAMOUS Steel Engineering Co.,Ltd.
------------------A Company of HONGFENG Industrial Group
USA-EUROPE Standard Engineering and Quality Control Build Our Brand Reliability! One Trial Order Bring Constant Cooperation!
Hangzhou FAMOUS Steel Engineering Co.,Ltd.
------------------A Company of HONGFENG Industrial Group
USA-EUROPE Standard Engineering and Quality Control Build Our Brand Reliability! One Trial Order Bring Constant Cooperation!
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Heavy Hex Structural Bolts Steel Buildings Kits With Alloy Steel And ASTM
Our hot dip galvanized high tension hex bolts have been tested according to national building codes for corrosion resistance, mechanical performance, holding performance, delayed mechanical failure characteristics and actual performance, and have received general certification from the Land, Infrastructure and Transport Minister.
Imperial head markings and mechanical properties | ||||||
Grade identification marking | Specification | Nominal size range [in] | Proof strength [ksi] | Yield strength (min) [ksi] | Tensile strength (min) [ksi] | Core hardness [Rockwell] |
| ASTM A490 Type 1 | 1⁄2–1-1⁄2 | 120 | 130 | 150 minimum | C33–38 |
| ASTM A490 Type 2 (withdrawn) | 1⁄2–1 | ||||
| ASTM A490 Type 3 | 1⁄2–1-1⁄2 | ||||
Head markings and strengths for metric hex-head cap screws | ||||||
Grade identification marking | Specification | Nominal size range [mm] | Proof strength [MPa] | Yield strength (min) [MPa] | Tensile strength (min) [MPa] | Core hardness [Rockwell] |
| ASTM A490M Type 1 | 12–36 | 830 | 940 | 1040 | C33–39 |
| ASTM A490M Type 2 (withdrawn) | |||||
| ASTM A490M Type 3 | |||||
various bolts for steel structure frames are available in storage. they are proofed high performance by our millions of structural projects. Welcome your trial order and visit.
Waterproof and Pre-engineered Prefabricated Steel Structural Steel Fabrications
Pre-engineering Components Structural Steel Fabrications For Industrial Steel Building
Welding, Braking, Rolling And Electric Galvanized, Painting Structural Steel Fabrications
Wide Span Pre-Engineering Industrial Steel Buildings Frame , Movable Container House
Structural Steel Fabrication Industrial Steel Buildings For Warehouse Frame
Movable Industrial Steel Buildings Fabrication Fire Resistence Painted
Fireproof EPS Sandwich Panel For Steel Building Wall , Roof Cladding
Glass Insulated Sandwich Panels Heat resistant For Cladding
50mm PU Sandwich Wall Panels Thermal Insulation Prefab House
