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Product
HDG Grade 8.8 Guardrail Bolts With Nut
Material: Carbon steel
Finish : HDG
Grade: 8.8
Products name | HDG Grade 8.8 Guardrail Bolts | ||||||
| Standard: | DIN,ASTM/ANSI JIS EN ISO,AS,GB | ||||||
| Material | Stainless Steel: SS201, SS303, SS304, SS316,SS316L,SS904L,F593 | ||||||
| Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449, | |||||||
| Finishing | Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide, Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated | ||||||
| Production Process | M2-M24:Cold Froging,M24-M100 Hot Forging, Machining and CNC for Customized fastener | ||||||
| Customized Products Lead time | Busy season:15-30days,Slack seaon:10-15days | ||||||
| Stock Products | Steel:4.8Grade DIN6923,8.8Grade 10.9Grade of GB5783 and GB5782 Stainless steel: All DIN Standard stainless steel Bolt | ||||||
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| CHEMICAL COMPOSITION: | ||||||||||||
| SAMPLING DATE: | MAY,2020 | SAMPLES: | 10PCS | |||||||||
| CHEMICALLEMENT (%) | C | Si | Mn | P | S | Cr | B | Mo | ||||
| TEST RESULT | 0.18 | 0.05 | 0.88 | 0.015 | 0.013 | 0.12 | 0.002 | 0.002 | ||||
| MECHANICAL CHARACTERISTICS： | ||||||||||||
| SAMPLING DATE: | MAY,2020 | SAMPLES: | 10PCS | |||||||||
| TEST ITEM | STANDARD | ACTUAL RESULT | RESULT | |||||||||
| TENSILE STRENGTH(n/mm²) | ≥830 | 878 | OK | |||||||||
| HARDNESS(HRC) | 23-33 | 26 | OK | |||||||||
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