فایل هلپ

مرجع دانلود فایل ,تحقیق , پروژه , پایان نامه , فایل فلش گوشی

فایل هلپ

مرجع دانلود فایل ,تحقیق , پروژه , پایان نامه , فایل فلش گوشی

ANSI/AWS D11.2-89:2006-Guide for Welding Iron Castings

اختصاصی از فایل هلپ ANSI/AWS D11.2-89:2006-Guide for Welding Iron Castings دانلود با لینک مستقیم و پر سرعت .

210 صفحه pdf

ANSI/AWS D11.2-89:2006

Guide for Welding Iron Castings

This standard presents briefly the history and metallurgy of cast iron and the welding processes applicable to it. A newly developed weldability test is described in detail and instructions given for its application in specific cases.  Provision is made for qualification of welding procedures and welders when necessary; quality control practice is also included.


دانلود با لینک مستقیم


ANSI/AWS D11.2-89:2006-Guide for Welding Iron Castings

ANSI/API SPEC 7-1:2006-Specification for Rotary Drill Stem Elements

اختصاصی از فایل هلپ ANSI/API SPEC 7-1:2006-Specification for Rotary Drill Stem Elements دانلود با لینک مستقیم و پر سرعت .

76 صفحه pdf

ANSI/API SPEC 7-1:2006-Specification for Rotary Drill Stem Elements

ISO 10424-1:2004, (Identical) Petroleum and Natural Gas Industries—Rotary Drilling Equipment—Part 1: Rotary Drill Stem Elements
Contains API Monogram Annex as Part of US National Adoption


دانلود با لینک مستقیم


ANSI/API SPEC 7-1:2006-Specification for Rotary Drill Stem Elements