Iimveliso
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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
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I-API 5CT L80 BTC R3 yePipe yeNsimbi yeCasing yeOyile
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Umbhobho wentsimbi ye-API 5CT N80 R3 Casing ye-Oil Well
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Iipayipi ze-API 5L ASTM A106 A333 okanye i-A335 ezingenamthungo zentsimbi yekhabhoni