Hardened steel black color 1/2 inch Structural F436 Flat washer
Hardened steel washers of this specification range from 1/4" through 4" and are intended for general-purpose mechanical and structural use. They are suitable for use with A325 and A490 structural bolts.
SIZE: 1/4" - 4", M6 -M100 .
STANDARD: ASTM F436/F436M
FINISHED: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G.
Packaging Details: a. bulk in cartons (<=25kg )+ 36CTN/wood solid Pallet
b. bulk in cartons 9"x9"x5" (<=18kg )+ 48CTN/wood solid Pallet
Supply Ability:1000 tons per month
MinimumOrder:200kgs for each specification
Trade Term:FOB/CIF/CFR/CNF/EXW/DDU/DDP
Payment :T/T, L/C , D/A , D/P , Western Union,etc
Market:South&north Amrica/Europe/ etc.
| F436 STYLES |
| Style | Description | Sizes |
| Circular | Round SAE pattern | 1/4" - 4" |
| Beveled | Square or rectangular with a beveled 1 to 6 ratio surface. For use with American standard beams and channels. | 1/2" - 1-1/2" |
| Clipped | Circular or beveled | 1/2" - 1-1/2" beveled |
| 1/4" - 4" circular |
| Extra Thick | Circular washers with a thickness of 5/16" | 1/2" - 1-1/2" circular |
| F436 MECHANICAL PROPERTIES |
| Plain Finish | Hot Dip Galvanized |
| Rockwell Hardness 38 to 45 HRC | Rockwell Hardness 26 to 45 HRC |
| F436 CHEMICAL PROPERTIES |
| Element | Type 1 | Type 3 |
| Phosphorous, max | 0.04% | 0.04% |
| Sulfur, max | 0.05% | 0.05% |
| Silicon | - | 0.15% - 0.35% |
| Chromium | - | 0.45% - 0.65% |
| Nickel | - | 0.25% - 0.45% |
| Copper | - | 0.25% - 0.45% |
| Flat Washer Sizes | Inner Diameter (ID) | Outer Diameter (OD) | Washer Thickness |
| 1/2" | 0.531" | 1.063" | 0.177" |
| 5/8" | 0.688" | 1.313" | 0.177" |
| 3/4" | 0.813" | 1.468" | 0.177" |
| 7/8" | 0.938" | 1.750" | 0.177" |
| 1" | 1.063" | 2.000" | 0.136" - 0.177" |
| 1-1/8" | 1.188" | 2.250" | 0.136" - 0.177" |
| 1-1/4" | 1.375" | 2.500" | 0.136" - 0.177" |
| 1-3/8" | 1.500" | 2.750" | 0.136" - 0.177" |
| 1-1/2" | 1.625" | 3.000" | 0.136" - 0.177" |
| 1-3/4" | 1.875" | 3.375" | 0.280" |
| 3" | 3.125" | 5.500" | 0.340" |
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