(iii) Make copies of all penned notifications obtainable for inspection by a representative of your Section.
(iv) On the plate hooked up to the very best from the cylinder or permanent part thereof; sufficient House have to be remaining within the plate to deliver for stamping no less than six retest dates; the plate needs to be no less than 1⁄16-inch thick and need to be attached by welding in a temperature of 1,one hundred °File, all through all edges of the plate.
(3) A plugged cylinder is one during which a everlasting closure in The underside of a completed cylinder has long been effected by a plug.
(two) Cylindrical style cylinder designs have to be of circumferentially welded or brazed construction; longitudinally brazed or silver-soldered seams are also permitted.
(2) When the cylinders are heat taken care of within a ongoing furnace, two stress specimens and 3 Charpy affect specimens has to be tested from among the cylinders or even a test ring from Each and every 4 hours or much less of output. On the other hand, in no situation may perhaps a test ton determined by this manufacturing time period exceed 200 cylinders.
(iv) Permanent volumetric expansion might not exceed ten % of the whole volumetric enlargement at exam pressure.
necessarily mean the packaging identification markings expected by this element like, exactly where relevant, the title and handle or image on the packaging manufacturer or acceptance agency.
(1) For spheres the examination should be at the weld involving parallel steel plates on the press with welded seam at appropriate angles to your plates.
(3) Just about every specimen for The strain and Charpy impact assessments needs to be taken from your aspect wall of a cylinder or from a ring that has been heat taken care of While using the concluded cylinders of which the specimens need to be consultant. The axis on the specimens need to be parallel to your axis with the cylinder.
(2) All functions executed by, or on behalf of, the person whose identify or image appears as Portion of the marking conform to demands laid out in this component.
(iii) Straight threads, owning at least four engaged threads, to obtain tight in shape and calculated shear toughness at the very least ten moments the examination tension on the container; gaskets needed, adequate to prevent leakage.
There have to be no evidence of cracking with the sample when it can be flattened involving flat plates to no more than six (six) periods the wall thickness. If this examination fails, a single additional sample with the very same good deal may be taken. If this second sample fails, your complete good deal needs to be rejected.
(ii) One particular specimen needs to be taken from possibly head with a cylinder when the two heads are made of the same material. Even so, if The 2 heads are made of differing resources, a specimen need to be taken from Each individual head.
implies the individual whose title and tackle or symbol seems as part of the specification markings necessary by this portion or, to get a packaging marked While using the symbol of read more an approval company, the person on whose behalf the approval company certifies the packaging.