GB/T 39856-2021 Translated English of Chinese Standard. (GBT 39856-2021, GB/T39856-2021, GBT39856-2021): Hot rolled titanium and titanium alloy seamless tubes [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This document specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, accompanying documents, purchase orders for hot-rolled titanium and titanium alloy seamless tubes. This document is applicable to general industrial hot-rolled titanium and titanium alloy seamless tubes, which are produced by the cross-rolling piercing and rolling process. |
Contents
| 3 | |
Scope | 4 |
Terms and definitions | 5 |
Test method | 7 |
Inspection rules | 8 |
Marking packaging transportation storage accompanying documents | 9 |
Content of purchase order | 11 |
Appendix A Informative Recommended outer diameter series for ordering of tubes | 12 |
Common terms and phrases
4.5 Mechanical accompanying documents allowable deviation alloy seamless tubes analysis of titanium annealed appearance quality batch number batch of products buyer and specified chemical composition deemed unqualified Designations and specifications document GB/T external dimensions furnace number Group-batch Hot rolled hot-rolled titanium hydraulic test impact test inner and outer Inspection items Inspection rules items and sampling marking mechanical properties meet the requirements Metallic materials Normative references objections pertaining outer diameter series outer surfaces packaging Piece by piece product quality properties at room provisions of GB/T purchase order quantity of specimens Recommended outer diameter requirements of Table room temperature storage supplier Table A.1 Take 2 tubes take another double technical requirements Tensile testing test method test results test shall comply test When required titanium alloy products titanium alloy seamless titanium alloys GB/T titanium and titanium titanium sponge tube shall meet tubes randomly ultrasonic testing unqualified item wall thickness Wrought titanium YS/T