ASTM A193 B7 B7M B16 Stud Bolts / A194 Grd 2H Nuts
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.
We provide A193 B7 studs from 1/4" diameter to 4" diameter in plain finish, or multiple common finishes.
1.Studs:ASTM A193 Grade B7
Full Threaded Rod Stud Bolts
Chamfered Flat Faced Ends
Manufactured from Chromium-Molybdenum Ferritic Alloy Steel
Tensile Strength: 125 KSI Min.
Hardness 35 HRC Max.
2.Nuts:Grade 2H
Heavy Hex
Single-Chamfered with Bottom Washer Face
Manufactured from Carbon Steel
Rockwell Hardness: C24 to C38
3.Threads:
1" Diameter & Smaller - Unified Inch Coarse Series (UNC), Class 2A
1-1/8" Diameter & Larger - Unified Inch 8 Thread Series (UN8), Class 2A
4.Typical grades: ASTM A 193 Gr.B7, Gr.B7M, B16,Gr.B8, Gr.B8M
5.ASTM A193 B7 properties :
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 |
6.ASTM A193 B7 material chemical composition (4140)
Element |
B7 (AISI 4140) |
Carbon |
0.38 - 0.48% |
Manganese |
0.75 - 1.00% |
Phosphorus, max |
0.04% |
Sulfur, max |
0.04% |
Silicon |
0.15 - 0.35% |
Chromium |
0.80 - 1.10% |
Nickel |
|
Molybdenum |
0.15 - 0.25% |
7.Surface coating :
Hot Dip Galvanized
Mechanical Galvanized
Zinc plated (Clear)
Yellow Zinc plated
Cadmium plated
Yellow Cadmium plated
Black Oxide
Plain surface
Self steel black color
8.MOQ: Generally, we don't have any MOQ requirements, because we are producing big quantity every month.
9.Delivery time : 7-30 days upon to your sizes & quantity.
10.Our advantages:
Capability from Raw material to processing to final products under one Roof . Highest customer satisfactionEconomy of products
Absolute reliability
Highly-qualified and motivated personnel
No tolerance of errorsContinuous optimisation of all processes
11.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.
Contact:Ms.Phoebe Chen
ASTM A193 B7 B7M B16 Stud Bolts / A194 Grd 2H Nuts
ASTM A193 B7 B7M B16 Stud Bolts / A194 Grd 2H Nuts
ASTM A193 B7 B7M B16 Stud Bolts / A194 Grd 2H Nuts
ASTM A193 B7 B7M B16 Stud Bolts / A194 Grd 2H Nuts