SSAW(a makwaara dị kaSAWH) ọkpọkọ ígwè na-ezo aka na spiral welded seaam submerged arc welded steel pipe.
Usoro mmepụta maka ụdị ọkpọkọ nchara a gụnyere na-aga n'ihu na-eme ka efere ígwè na-aga n'ihu n'ime ọdịdị gburugburu ma na-agbakọ ọnụ ọnụ nke efere ahụ site na ime na n'èzí submerged arc ịgbado ọkụ na-etolite a gburugburu weld seam maka ọkpọkọ.
A na-eji ụdị ọkpọkọ ígwè a mara ya site n'inwe eriri weld spiral, na mmepụta ya dị elu na-eme ka ọ dị mma maka ịmepụta nnukwu ọkpọkọ ígwè.
Botop Steel bụ onye na-emepụta ọkpọkọ nchara na-emepụta ihe na onye na-ebubata ya site na China, na-enye ụkpụrụ dị iche iche na nha nke ọkpọkọ ígwè nwere ike ịhazi ya iji mezuo ihe ị chọrọ.
Ngwaahịa SSAW ígwè ọkpọkọ anyị nwere ike ịnye gụnyere spiral steel pipe nke API 5L, ASTM A252, EN 10217, GB/T 9711, na ọtụtụ ụkpụrụ ndị ọzọ.Na mgbakwunye, anyị na-enye ọtụtụ ọrụ gụnyere nhazi ọkpọkọ ígwè, flanging, ọkpọkọ ọkpọkọ, mkpuchi, ịgbanye peening, na ndị ọzọ.
Uru pụrụ iche nke tubes SSAW bụ ikike imepụta tubes buru ibu ruo 3,500 mm, nke na-agaghị ekwe omume na ụdị tubes ndị ọzọ.
Na mgbakwunye na nke a, SSAW tubes nwere uru nke ngwa ngwa mmepụta ngwa ngwa, ike ịmepụta tubes n'ogologo ogologo nke onye ọ bụla, na ọtụtụ ngwa ngwa.
Ihe mmepụta nke SSAW ígwè ọkpọkọ bụ usoro na-akpaghị aka nke ukwuu, nke ọ bụghị nanị na-eme ka nrụpụta ígwè ọrụ dị elu dịkwuo mma, ma na-eme ka ụkpụrụ dị elu nke ngwaahịa ahụ dịkwuo mma.
A na-akpọ SSAW mgbe ụfọdụDSAWn'ihi na a na-eme usoro ịgbado ọkụ site na iji teknụzụ ịgbado ọkụ nwere akụkụ abụọ nwere akụkụ abụọ.
| Ọkọlọtọ | Ọkwa nkịtị |
| API 5L / ISO3183 / GB/T 9711 | Ọkwa B, X42, X46, X52, X56, X60, X65, X70, X80, PSL1 na PSL2 |
| ASTM A252 | Ọkwa 1, klaasị 2, na ọkwa 3 |
| EN 10219 / BS EN 10219 | S235JRH, S275J0H, S275J2H, S355J0H, S355J2H 1.0039, 1.0149, 1.0138, 1.0547, 1.0576, 1.0512 |
| EN 10217 / BS EN 10217 | P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2 1.0107, 1.0108, 1.0254, 1.0255, 1.0258, 1.0259 |
| JIS G 3457 | STPY 400 |
| CSA Z245.1 | Ọkwa 241, Ọkwa 290, Ọkwa 359, Ọkwa 386, Ọkwa 414 |
| GOST 20295 | K34, K38, K42, K50, K52, K55 |
| AS 1579 | - |
| GB/T 3091 | Q195, Q215A, Q215B, Q235A, Q235B, Q275A, Q275B, Q345A, Q345B |
