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This Supplementary Requirement foot note states that the quality and cleanliness may be specified by the purchaser as equal to or better than that indicated by a designated letter and plate number of Military Standard—430 (latest revision). I've conducted a google/bing search and cannot locate...

Looking for a source of 1" x 4" x .063" Thick alloy steel test panels with a Nickel of 1.5 - 2.2 or close to that. Any sources? These will be used to verify plating thickness and adhesion of electroless nickel on E4340 material. Thanks in advance.

Look in the Unified Numbering System (UNS) book for UNS # K14675. That UNS # refers you to AMS 6304, AMS 6305, AS7454. AS7455, AS7458, AS7459, MIL-S-24502, SAE J467(17-22-A). Bolting to ASTM A-193 Gr. B16 is made from CrMoVan steel. Have a good one on me.

Good Day. Looking for some data on heat treated 17-4Ph stainless steel. Does anybody have data on A-564 Ty. 630 that has been heat treated at 1400 F for 2-hrs and air cooled and then age hardened at 1100 F (not 1150 F but 1100 F) for 4-hrs and air cooled? We know this is not exactly the...

The test reports I see where a sub-size specimen was used report the diameter and the elongation in 4d. the diameter is the indicator that a sub-size specimen was used. If a sub-size specimen does not render similar results as a full-size specimen then I would believe the A-370 and E-8...

Yes, that is the point of discussion: why or why not? Sub size specimens in A-370 are proportional to the .505 2" gauge length size specimens to assure the results are basically the same regardless of the size of the specimen: Yes / No ?

A high percentage of how a nuclear power plant is rated is based on the cleanliness of the water cycle (water, steam, condensate etc.). If anything can get into the water through any means it is viewed as a potential problem area. So, is there any residue on the brackets? Where are the brackets...

The applicable Code or Standard will specify the testing requirements. Look at ASTM A-370, ASTM E-8 etc.

Adjustable thread ring gauges can be calibrated to a Thread Set Master (or Thread Set Plug). A fixed thread ring gauge cannot be calibrated and unless the Thread Set Master is purchased with the fixed Thread Ring Gauge there really is no way to determine if the fixed thread ring gauge his...

As noted in this thread, "hard spots" in steel plate are not uncommon and, from what I know about welding, throw in all of the variables in any heat affected zone, wow. I suppose anybody could find whatever reading they desire. I don't dabble in DNV C401 to know of what I speak except as I...

- 316 SS is chemistry. - UNS S31600 is chemistry under the Unified Numbering System - ASTM A-xxx or ASME SA-xxx are Material Specifications with specific chemistry and physical properties to meet the ASTM or ASME Material Specification As noted in other posts above, Q: What is the...

I saw 16.1 and 16.2 in the Standard and that is part of the reason for starting this thread. If... 16.1.1 When production pieces are not of sufficient length to permit removal of test coupons in accordance with 16.1, the mid-length of the specimens shall be at the mid-length of the production...

Bar stock or fastener material. For example: 1) A/SA-540: The strength TABLE has the elongation in 2", however, there is a paragraph in the A/SA-540 Standard that indicates that production pieces may be used (under certain conditions). 2) A-962: Paragraph 8. Mechanical Properties references...

A material specification table that indicates the Yield to be reported in 2:, and the production part is too small to yield a standard sized specimen, are sub-sized tensile specimens as defined in SA-370 prohibited? If yes please site the paragraph reference chain. If no please site the...

A good question for the Design Engineer or the entity that has Design Responsibility. There are orders for MIL-45208A and MIL-9858 still being let by the primes. Probably because the design was proven using those Standards and it would take a re-qualification to update the design.

ASTM A-540 requires the mechanical tests to be conducted in accordance with the Methods and Definitions in A-370. Para 11.2 of A-370 allows the use of proportional small sized specimens as shown in the noted figure. When A-540 production pieces are too small to yield a standard sized specimen...

Better late than never. Can't answer your question as I don't know enough about your application, however... A564 is a bar stock spec. but there is no reason items cannot be made from bar stock meeting the requirements of A564. A564 items (bars, bolts, nuts etc.) can be purchased either...

Where does the requirement to have a double barrier for mercury and/or fluorescent light come from? Is there a MIL Spec or FED Spec with this requirement?

Great comments and suggestions.

metengr: These are items that we inspected and accepted once, shipped to a customer, and put the remainder in stock to be used at a later date. At the later date, inspections and hardness are checked and sometimes we find an issue.