Umbhobho wokutshintsha isinyithi esingenasici ongu-317
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Iityhubhu zokutshintsha ubushushu zentsimbi engatyiwayo
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Umbhobho wotshintshiselwano we-ASTM A312 wentsimbi engagqwaliyo engu-321H
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Umbhobho wokutshintsha isinyithi esingenasici se-ASTM A269 321H
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Umbhobho wotshintshiselwano we-TP317 wentsimbi engagqwaliyo ye-ASTM A312
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Umbhobho wokutshintsha intsimbi engagqwali ye-ASTM A269 TP317
