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견적 요청342개 기사
기술A hardness traverse across a fitting weld HAZ can reveal local variations that bulk readings cannot. This guide covers ASTM E384 and A370, practical procurement checks, and the need for governing acceptance limits.
기술How to specify PT per ASTM E165/E1417 for nonporous pipe fittings: procurement checks, inspection points, and common risks.
기술How ASTM A275/A275M and E709 govern magnetic particle examination of steel forgings, what to specify, and what to verify with your supplier.
기술Selecting the correct radiographic examination standard matters: ASTM E94/E94M is a general guide for film radiography, while ASTM E1030/E1030M is the casting-specific practice. Know the difference and what to verify before you specify.
기술ASTM A388/A388M and ASTM E114 are key standards for ultrasonic examination of steel forgings. Learn what they cover, why acceptance criteria must be stated in the order, and what procurement engineers must verify.
기술ASTM E797 covers ultrasonic thickness measurement but has limited applicability on curved fittings. Learn key variables, procurement checks, and inspection requirements for elbows, tees, and reducers.
기술ASTM G82 and G71 provide structured guidance for predicting and evaluating galvanic corrosion. Learn how to apply them when procuring pipe fittings and flanges for mixed-metal systems.
구매 가이드A manufacturing record book (MRB) is more than a single certificate. This guide explains how to assemble and verify the complete documentation package for wrought steel pipe fittings, covering standards, traceability, inspection, and release records.
표준Learn how to verify ISO 9712 NDT personnel certification for pipe fittings and flanges. Understand the difference between ISO 9712, ASNT central certification, and employer-based SNT-TC-1A, and get practical procurement checks.
