|
| MOQ: | 1000pcs |
| Price: | Inquiry |
| Standard Packaging: | Bundles/cartons/pallets |
| Delivery Period: | 15-30 Days |
| Payment Method: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Capacity: | 5000 tons per Month |
Heavy Hex Nut ASTM A194 Gr.7L 7ML Class 2B Uncoated Oversize 1/2"-13 ~ 4"-8
The mechanical performance of the product shall meet the following standards, and the specification is less than or equal to 2-1 / 2 inches
Tempering temperature 650℃
SAMPLE NUT AFTER HEAT:TREATMENT 590℃/24HR/HRB MIN 94
PROOF LOAD (USING THREADED MANDREL)
HARDNESS TEST COMPLETED NUTS HRC 24-35
CHARPY V NOTCH IMPACT VALUE (J) -101℃
The product of 4140 alloy steel shall meet the following chemical composition standards:
C% 0.38-0.48
Si% 0.15-0.35
Mn% 0.70-1.00
P% ≤0.035
S% ≤0.040
Cr% 0.80-1.10
Mo% 0.15-0.25
|
|
| MOQ: | 1000pcs |
| Price: | Inquiry |
| Standard Packaging: | Bundles/cartons/pallets |
| Delivery Period: | 15-30 Days |
| Payment Method: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Capacity: | 5000 tons per Month |
Heavy Hex Nut ASTM A194 Gr.7L 7ML Class 2B Uncoated Oversize 1/2"-13 ~ 4"-8
The mechanical performance of the product shall meet the following standards, and the specification is less than or equal to 2-1 / 2 inches
Tempering temperature 650℃
SAMPLE NUT AFTER HEAT:TREATMENT 590℃/24HR/HRB MIN 94
PROOF LOAD (USING THREADED MANDREL)
HARDNESS TEST COMPLETED NUTS HRC 24-35
CHARPY V NOTCH IMPACT VALUE (J) -101℃
The product of 4140 alloy steel shall meet the following chemical composition standards:
C% 0.38-0.48
Si% 0.15-0.35
Mn% 0.70-1.00
P% ≤0.035
S% ≤0.040
Cr% 0.80-1.10
Mo% 0.15-0.25
