C-klas elu-edu carbon ígwè mkpanaka mere SSYD-1 (dakọrọ na AISI1526), na agafeghị oke ike, ezigbo plasticity, oge megide corrosion na ndị ọzọ kpọmkwem maka gburugburu ebe obibi nke acidic na-enweghị eme ka sulfide stress cracking.Ọkwa D sucker mere nke elu-Cr-Mo alloy structural steel 30CrMoA (dakọtara na AISI 4130), na ike dị elu, ezigbo plasticity, ogologo ndụ na àgwà ndị ọzọ, ọdabara na-abụghị corrosive ma ọ bụ ubé corrosive gburugburu nke miri emi.Ọkwa K sucker mkpara na-mere nke elu-ọkwa Ni-Mo alloy structural steel 20Ni2MoA (datara AISI 4620), na agafeghị oke ike, ezi ductility, corrosion iguzogide na ndị ọzọ e ji mara, kwesịrị ekwesị na-eji na ìhè ibu na-emighị emi olulu n'ihu. nke mgbasa ozi corrosive.
Dị ka ụkpụrụ API si dị, a na-eji ígwè carbon ígwè dị elu ma ọ bụ ígwè alloy eme ihe mgbochi sinker.Ngwugwu abụọ a nwere otu eriri mpụga.Dị ka ọkwa ọkọlọtọ si dị, a na-ekewa ya na 1 na 2, nke nwere ike jikọta ya na njedebe elu nke mkpara nke ọma, ma ọ bụ njedebe ala nke mmanụ na-ekpo ọkụ nke ọma.
Nha (N'ime.) | Rod D (N'ime) | Eriri D (N'ime) | Ogologo | Dayameta nke Ubu N'èzí (Mm) | Ogologo pin (Mm) | Ogologo nke Wrench Square (Mm) | Obosara nke Wrench Square (Mm) |
5/8 | 5/8 | 15/16 | 2/4/6/8/ | 31.8 | 31.75 | ≧31.8 | 22.20 |
3/4 | 3/4 | 1-1/16 | 38.10 | 36.50 | 25.40 | ||
7/8 | 7/8 | 1-3/16 | 41.30 | 41.28 | |||
1 | 1 | 1-3/8 | 50.80 | 47.63 | ≧38.1 | 33.30 | |
1-1/8 | 1-1/8 | 1-9/16 | 57.20 | 53.98 | ≧41.3 | 38.10 |
Ọkwa | Mpụta Ike Rel(Mpa) | Ike Tensile Rm(Mpa) | Mgbatị pasent A(%) | Pasent nkwekọrịta nke Mpaghara Z(%) | Mmetụta ike Ακ(J/Cm2) |
C | ≧414 | 620-793 | ≧12 | ≧55 | ≧70 |
D | ≧620 | 794-965 | ≧10 | ≧50 | ≧58.8 |
K | ≧414 | 620-793 | ≧12 | ≧55 | ≧70 |
Ọkwa | Ike Tensile Rm(Mpa) | Mgbatị pasent A(%) | Pasent nkwekọrịta nke Mpaghara |
1 | 448-620 | ≧15 | ≧55 |
2 | 621-794 | ≧12 | ≧50 |