ASTM A193-B7 FULLY THREADED RODS / B7 High Strength Threaded Rods
ASTM A193 is alloy steel bolting material for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications.
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Material according to ASTM A193 B7 is often available in national coarse (UNC) thread pitches, if being used in traditional applications, threads are specified 8 threads per inch (tpi) for diameters above one inch.
1.Standard :ASTM A193
2.Grade: B7
3.Sizes range:1/4'' to 4''
4.Length:1000-6000mm, as required
5.Surface: Plain, Hot dip galvanized, Galvanization, Dacroment,etc .
6.MOQ:1 ton per size
7.Packing :In Bundles by woocen cloth then on Pallet
8.Delivery time :max 30days, according to your order quantity
9.Payment term:TT or LC.
10.Properties for B7 Threaded Rod:
| Grade |
Size |
Tensile ksi, min |
Yield, ksi, min |
Elong, %, min |
RA % min |
HBW |
HRC |
| B7 |
Up to 2-1/2 |
125 |
105 |
16 |
50 |
321 max |
35 max |
| 2-5/8 - 4 |
115 |
95 |
16 |
50 |
| 4-1/8 - 7 |
100 |
75 |
18 |
50 |
11.Raw material 4140 chemical composition:
| lement |
Content |
| Carbon, C |
0.380 - 0.430 % |
| Chromium, Cr |
0.80 - 1.10 % |
| Iron, Fe |
96.785 - 97.77 % (As remainder) |
| Manganese, Mn |
0.75 - 1.0 % |
| Molybdenum, Mo |
0.15 - 0.25 % |
| Phosphorous, P |
≤ 0.035 % |
| Silicon, Si |
0.15 - 0.30 % |
| Sulfur, S |
≤ 0.040 % |
12.FAQ
Q: Are you manufacturer or trading company ?
A: We have factory producing threaded rods for more than 20 years, We owned more than 20 sets of producing equipments.
Q: What's your sample policy ?
A: Our sample is free, but customer may need to pay the express cost.
Q: What's your MOQ ?
A: The MOQ is 100pieces,
Q: What's your delivery time?
A: Generally, our delivery time is 30 days after deposit received, we can adjust our production if your order is urgent.
Q: What's your payment term:
A: Usually, if amount is less than 1000usd, we suggest payment through west union , if amount above 1000usd, we suggest TT or LC.
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