Codsiga alaabta:
dhisidda kuleyliyeyaasha saldhigga tamarta cadaadiska sare leh, tuubooyinka uumiga kululeeya, tuubooyinka biyaha karkaraya iyo tuubooyinka kululeeyaha uumiga.
U hoggaansanaanta caadiga ah:
| ASTM A249 A688 A803 |
| JIS G3463 |
| DIN 17457 |
| EN 10217-7 |
| GB/T 24593 |
| NB/T 47019 |
| HG/T 20537.1 |
| GB/T 151 |
