Description
ASTM A193 gr B7 B16 L7 L7M thread rod stud bolt and a194 gr 2h nut
ASTM A193 B7 B7M Full threaded STud Bolts With 2H nuts
ASTM A193 B7 High Strength Threaded Rods
ASTM A193 B7M Fully Threaded Rods
ASTM A193 B16 Threaded Rods 1.Introduction of A193 B7 B7M & B16ASTM A193 Grade B7 Chromium Molybendum steel, normally AISI 4140, heat treated to 28-32Rockwell Hardness, 125,000 PSI tensile strength, 105, 000 PSI yield. It will hold it's strength to 1000 degrees F. This grade of studbolts are engineered to mate with ASTM A194 Grade 2H Heavy Hex Nuts.
ASTM A193 Grade B7M It has the same chemistry as B7. Physicals have max hardness of 235 Brinell or RC22. 100,000 PSI tensile and 80,000 PSI yield. Used in areas where H2S is present.
ASTM A193 Grade B16 bolts and threaded studs are manufactured from a chromium-molybdenum-vanadium alloy steel. Although A193 Grade B16 bolts and studs have similar strength requirements as Grade B7, the vanadium and higher tempering temperature helps the fasteners retain their molecular structure and strength under higher ambient temperatures than Grade B7.
2.Brief information of A193 B7 B7M B16 threaded rods| Product name | Threaded Rods |
| Standard | ASTM A193 |
| Size | 1/2"-4" |
| Length | 1000mm,3660mm,6000mm, or as required |
| Class | ASTM A 193 Gr.B7, Gr.B7M, B16,Gr.B8, Gr.B8M |
| Finish | Plain,Self Colour, Black Oxide, H. D. G. etc. |
| Packing | In Bundles by woocen cloth then on Pallet |
| Sample | Free sample before order is accepted |
| MOQ | 10PCS per size,3tons in total |
| Delivery time | max 30days, according to your order quantity |
3..Raw material Chemical composition of A193 B7 B7M B16 | Grade | C | Si | Mn | P | S | Cr | Mo |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤ 0.035 | ≤ 0.04 | 0.8-1.1 | 0.15-0.25 |
4.Mechanical Property of A193 B7,B7M&B16| Grade | Sizes | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min | HBW | HRC |
| A193 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 - 6 | 100 | 75 | 18 | 50 |
| B7M | Up to 4 | 100 | 80 | 18 | 50 | 235 max | - |
| Over 4 - 7 | 100 | 75 | 18 | 50 |
| B16 | Up to 2-1/2 | 125 | 105 | 18 | 50 | 321 max | 35 max |
| Over 2-1/2 to 4 | 110 | 95 | 17 | 45 |
| Over 4 to 8 | 100 | 85 | 16 | 45 |
5.Quality control:
We company have good QC inspection tear and full set of inspect equipment including: UT test machine, Tensile testing machine,Hardness testing machine,Dimensional measuring instrument,f,spectrometer,Metallographic microscope and so on, so that we can always supply good mateterials for various projects and industries
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We can export and supply our ASTM A193 B7 B7M B16 Threaded rods for countries such like :
Argentina,Australia,Bahrain,Bangladesh,Belgium,Bolivia,Brazil,Bulgaria,Burma,Canada,Chile,Colombia,Costa Rica,Djibouti ,Dominica Rep.,Ecuador ,Egypt ,Ethiopia,Germany,Guatemala,Honduras,Hongkong,India ,Indonesia ,Israel,Italy ,Korea,Kuwait,Malaysia,Mexico ,Netherlands ,New Zealand,Nigeria,Pakistan ,Peru ,Philippines,Poland ,Portugal,Romania,Russia ,Saudi Arabia ,Singapore ,South Africa,Spain,Sri Lanka ,Tanzania ,Thailand ,Trinidad and Tobago ,Turkey ,United Arab Emirates ,United States of America ,Vietnam ,Zimbabwe ,and so on.
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.
Q:How is your inspection process ?
A:We company have good QC inspection tear and full set of inspect equipment including: UT test machine, Tensile testing machine,Hardness testing machine,Dimensional measuring instrument,f,spectrometer,Metallographic microscope and so on, so that we can always supply good mateterials for various projects and industries
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