Gaya | Bahan | Standar | Téhnis | Kelas |
Pipa Steel Seamless | Baja Karbon | API 5L PSL1 & PSL2 | Hot finish atawa tiis finish | GR.B,X42,X46,X52,X60,X65,X70, jsb |
ASTM A53 | Hot finish atawa tiis finish | GR.A ,GR.B | ||
ASTM A106 | Hot finish atawa tiis finish | GR.A,GR.B,GR.C | ||
ASTM A179 | bérés tiis | A179 | ||
ASTM A192 | Hot finish atawa tiis finish | A192 | ||
ASTM A210/SA210 | Hot finish atawa tiis finish | GR.A-1,GR.C | ||
ASTM A252 | Hot finish atawa tiis finish | GR.1, GR.2, GR.3 | ||
BS EN10210 | Hot finish atawa tiis finish | S275JRH, S275J0H, S355J0H, S355J2H, jsb | ||
JIS G3454 | Hot finish atawa tiis finish | STPG370, STPG410 | ||
JIS G3456 | Hot finish atawa tiis finish | STPG370,STPG410,STPG480 |
Uji Lengkung
Test Pasipatan mékanis
Uji karasa
Thetabungbakal dilakukeun ku prosés seamless tur bakal tiis drawn.And lajeng tabung bakal panas diperlakukeun sanggeus tiis final digambar lolos dina suhu 1200 ° F atawa saluhureuna.
Kelas sareng Komposisi Kimia (%)
Komposisi kimiawi | C | Mn | P≤ | S≤ | Si≤ |
0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 | 0.25 |
Toleransi OD sareng WT(SA-450/SA-450M):
OD Dina (mm) | + | - | WT Dina (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 | 0.20 |
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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 | 0.30 |
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3~4(76.2~101.6) | 0.38 | 0.38 |
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>4~7.1/2(101.6~190.5) | 0.38 | 0.64 |
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>7.1/2~9(190.5~228.6) | 0.38 | 1.14 |
Pipa anu dipesen dina spésifikasi ieu kanggo penukar panas tubular, kondensér, sareng aparat transfer panas anu sami.
Pipa bulistir, palapis hideung (disesuaikeun);
Ukuran 6" sareng di handap Dina kebat sareng dua aisan katun, ukuran sanés dina longgar;
Duanana ditungtungan ku protectors tungtung;
Tungtung polos, tungtung bevel;
Nyirian.
JIS G3454, STPG370 pipa baja Seamless
JIS G3456, STPG370 pipa baja Seamless