Iimveliso
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Umbhobho we-ASME SA-268 SA-268M ongenamthungo wentsimbi engagqwaliyo
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Umbhobho wentsimbi yesikwere ogqityiweyo kwangaphambili we-ASTM A500
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I-BS 1387 Umbhobho weNtsimbi eGqityiweyo eshushu
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Umbhobho wentsimbi ogqunywe nge-ASTM A795 oshushu odityaniswe ne-ERW
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Umbhobho wentsimbi edibeneyo ye-ASTM A53 GR.B eshushu-edityiweyo
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Ityhubhu ye-ASTM A192 ASTM A179 ASTM A209 ASTM A210 Fin yoMtshintshi wobushushu
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Umbhobho wentsimbi oqingqiweyo wendlela yolwelo olulawulwayo
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Umbhobho weNtsimbi engenamthungo we-API 5L wegesi yeoyile
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Umbhobho weNtsimbi engenamthungo we-ASTM A106 GR.B wamanzi