Style | Khoom siv | Txuj | Technical | Qib |
Seamless Steel Yeeb Nkab | Carbon Steel | API 5L PSL1 & PSL2 | Kub tiav los yog txias tiav | GRB, X42,X46,X52,X60,X65,X70, thiab lwm yam |
ASTM A53 | Kub tiav los yog txias tiav | GRAB, GR | ||
ASTM A106 1 | Kub tiav los yog txias tiav | GRA, GRB, GR.C | ||
ASTM A179 Cov khoom lag luam | Txias tiav | A179 | ||
ASTM A192 Cov Lus Qhia Tshwj Xeeb | Kub tiav los yog txias tiav | A192 | ||
ASTM A210 / SA210 | Kub tiav los yog txias tiav | GR.A-1, GR.C | ||
ASTM A252, ASTM A252 | Kub tiav los yog txias tiav | GR.1, GR.2, GR.3 | ||
TS EN 10210 BS | Kub tiav los yog txias tiav | S275JRH, S275J0H, S355J0H, S355J2H, thiab lwm yam | ||
JIS G3454 | Kub tiav los yog txias tiav | SIB 370, STPG410 | ||
JIS G3456 | Kub tiav los yog txias tiav | STPG370, STPG410, STPG480 |
Khoov Test
Mechanical Properties Test
Hardness Test
Covcov rajyuav tsum tau ua los ntawm cov txheej txheem seamless thiab yuav tsum tau txias drawn.Thiab tom qab ntawd cov raj yuav tsum tau kho kom sov tom qab qhov kawg txias dhau ntawm qhov kub ntawm 1200 ° F lossis siab dua.
Qib thiab tshuaj muaj pes tsawg leeg (%)
Tshuaj muaj pes tsawg leeg | C | Mn | P≤ | S≤ | Si ≤ |
0.06-0.18 dr hab | 0.27-0.63 Nws | 0.035 ib | 0.035 ib | 0.25 |
Tolerance ntawm OD thiab WT(SA-450 / SA-450M):
OD hauv (mm) | + | - | WT hauv (mm) | + | - |
<1(25.4) | 0.10 | 0.10 | ≤1.1/2(38.1) | 20% | 0 |
1 ~ 1.1/2 (25.4–38.1) | 0.15 | 0.15 | > 1.1/2 (38.1) | 22% | 0 |
> 1.1/2~ <2(38.1~50.8) | 0.20 ib | 0.20 ib |
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2~<2.1/2(50.8~63.5) | 0.25 | 0.25 |
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2.1/2~ <3(63.5~76.2) | 0.30 Nws | 0.30 Nws |
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3 ~ 4 (76.2 ~ 101.6) | 0.38 ib | 0.38 ib |
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> 4 ~ 7.1 / 2 (101.6 ~ 190.5) | 0.38 ib | 0.64 ib |
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> 7.1/2–9 (190.5–228.6) | 0.38 ib | 1.14 |
Cov yeeb nkab xaj raws li qhov kev qhia tshwj xeeb no yog rau tubular heat exchangers, condensers, thiab cov khoom siv hluav taws xob zoo sib xws.
Cov yeeb nkab liab qab, txheej txheej dub ( customized);
6 "thiab hauv qab qhov ntau thiab tsawg Hauv bundles nrog ob lub paj rwb slings, lwm qhov ntau thiab tsawg hauv xoob;
Ob qhov xaus nrog qhov kawg tiv thaiv;
Plain kawg, bevel kawg;
Kos npe.
JIS G3454, STPG370 Seamless steel yeeb nkab
JIS G3456, STPG370 Seamless steel yeeb nkab