Pipa Baja Karbon lan pipa baja paduan
Perusahaan kita melu bisnis ekspor baja karbon lan baja paduan.Pipa Alloy Kab, pipa baja paduan, Pipa Baja Paduan China, pipa karbon, Pipa Baja Karbon, Pipa Baja Karbon China.
Apa sampeyan ngerti prabédan antarane baja karbon lan baja paduan?
Baja karbon:utamané nuduhake sifat mechanical gumantung ing isi karbon baja, lan umume ora nambah akèh unsur alloying saka baja, kadhangkala disebut baja karbon kosong utawa baja karbon. Baja karbon, uga dikenal minangka baja karbon, isi karbon WC kurang saka 2% wesi karbon alloy.
Baja karbon ing Kajaba iku umume ngemot jumlah cilik saka silikon, manganese, belerang, fosfor bisa dipérang miturut nggunakake baja karbon baja struktural karbon, baja alat karbon lan free-nglereni baja struktural telung baja struktural karbon dipérang dadi baja struktural lan baja struktural mesin, sing bisa dipérang dadi baja karbon rendah (WC ≤ 0,25%), baja karbon medium (WC 0,25% - 0,6%) lan baja karbon dhuwur (WC> 0,6%).
Miturut kandungan fosfor lan belerang, baja karbon bisa dipérang dadi baja karbon biasa (fosfor lan belerang luwih dhuwur), baja karbon kualitas dhuwur (fosfor lan belerang luwih murah) baja kualitas dhuwur (fosfor, belerang luwih murah).
Baja paduan:adhedhasar baja karbon, siji utawa luwih unsur alloying sengaja ditambahake kanggo nambah serviceability lan kinerja proses saka wesi basis wesi diarani baja alloy. Baja paduan nuduhake baja sing ngemot silikon lan mangan minangka unsur paduan utawa unsur deoksidasi, unsur paduan liyane kayata kromium, nikel, molibdenum, vanadium, titanium, tembaga, tungsten, aluminium, kobalt, niobium, zirkonium lan unsur liyane, lan sawetara uga. ngandhut sawetara unsur non-logam (kayata boron, nitrogen, etc.) baja.
Miturut jumlah unsur alloying ing baja, nanging uga bisa dipérang dadi baja alloy kurang, alloy medium lan baja alloy dhuwur.
Bedane komposisi kimia:
(1) Baja karbon: Baja karbon rendah (C≤0,25%); Baja karbon menengah (C≤0,25 ~ 0,60%); Baja karbon dhuwur (C≤0.60%).
(2) Baja paduan: Baja paduan rendah (isi total unsur paduan ≤ 5%); Baja paduan medium (isi total unsur paduan> 5 ~ 10%); Baja paduan dhuwur (isi total unsur paduan> 10%.
Keuntungan baja karbon:
Baja karbon nduweni kekuatan dhuwur, ductility lan kateguhan, biaya murah, digunakake ing mesin abot kanggo Pabrik bagean mbukak abot. Bisa dipikolehi kanthi perawatan panas, sifat mekanik sing luwih apik.
Keuntungan baja paduan:
Saliyane wesi ing unsur baja mung ngemot baja karbon, baja karbon, silikon liyane, belerang, fosfor lan impurities liyane. Saliyane unsur kromium, mangan, molybdenum, titanium, tungsten, vanadium, niobium, boron, silikon lan baja paduan nikel kanggo entuk sifat sing dikarepake kayata suhu dhuwur, elastisitas dhuwur, tahan abrasi, kekuatan dhuwur, kateguhan dhuwur lan liya-liyane. ing. Alloy baja atose resistance nyandhang, hardenability, resistance karat saka baja karbon banget.
Ing kene sampeyan bisa ndeleng sawetara sing umum digunakakeBaja karbonbahan bahan ing Pipa Proses.
· Kanggo Pipa: ASTM A53 Gr A/B, A106 Gr A/B/C, API 5L Gr B
· Pipa ASTM A53, Baja, Ireng lan Dicelup Panas, Dilapisi Seng, Dilas, lan Mulus
· ASTM A106 mulusPipa Baja Karbonkanggo Layanan Suhu Dhuwur
Ringkesan
Aplikasi
Iku Utamane Digunakake kanggo mechanical lan digunakake kanggo nggawe silinder gas.include karbon lan baja alloy tubing mechanical rapi, lan isine loro seamless panas-rampung mechanical tubing lan rapi kadhemen-rampung mechanical tubing ing ukuran nganti lan kalebu 12 3⁄4 ing. (323,8 mm) diameteripun njaba kanggo tabung babak karo kekandelan tembok minangka dibutuhake.
Kelas Utama
1018,1026,8620,4130,4140
Komponen Kimia
TABEL 1 Syarat Kimia Baja Karbon Rendah
| sasmita | Watesan Komposisi Kimia,% | |||||||
| sebutan | KarbonA | ManganB | Fosfor,B | belerang,B | ||||
| maks | maks | |||||||
| MT X 1015 Kab | 0.10–0.20 | 0.60–0.90 | 0.04 | 0.05 | ||||
| MT 1010 | 0.05–0.15 | 0.30–0.60 | 0.04 | 0.05 | ||||
| MT 1015 | 0.10–0.20 | 0.30–0.60 | 0.04 | 0.05 | ||||
| MT 1020 Kab | 0.15–0.25 | 0.30–0.60 | 0.04 | 0.05 | ||||
| MT X 1020 Kab | 0.15–0.25 | 0.70–1.00 | 0.04 | 0.05 | ||||
BWatesan ditrapake kanggo analisis panas; kajaba sing dibutuhake dening 6.1, analisis produk tundhuk karo toleransi tambahan sing diwenehake ing Tabel 5.
TABEL 2 Kebutuhan Kimia Baja Karbon Liyane
| sasmita | Watesan Komposisi Kimia,%A | ||||
| sebutan | |||||
| Karbon | Mangan | Fosfor, | belerang, | ||
| maks | maks | ||||
| 1008 | 0.10 maks | 0.30–0.50 | 0.040 | 0,050 | |
| 1010 | 0.08–0.13 | 0.30–0.60 | 0.040 | 0,050 | |
| 1012 | 0.10–0.15 | 0.30–0.60 | 0.040 | 0,050 | |
| 1015 | 0.13–0.18 | 0.30–0.60 | 0.040 | 0,050 | |
| 1016 | 0.13–0.18 | 0.60–0.90 | 0.040 | 0,050 | |
| 1017 | 0.15–0.20 | 0.30–0.60 | 0.040 | 0,050 | |
| 1018 | 0.15–0.20 | 0.60–0.90 | 0.040 | 0,050 | |
| 1019 | 0.15–0.20 | 0.70–1.00 | 0.040 | 0,050 | |
| 1020 | 0.18–0.23 | 0.30–0.60 | 0.040 | 0,050 | |
| 1021 | 0.18–0.23 | 0.60–0.90 | 0.040 | 0,050 | |
| 1022 | 0.18–0.23 | 0.70–1.00 | 0.040 | 0,050 | |
| 1025 | 0.22–0.28 | 0.30–0.60 | 0.040 | 0,050 | |
| 1026 | 0.22–0.28 | 0.60–0.90 | 0.040 | 0,050 | |
| 1030 | 0.28–0.34 | 0.60–0.90 | 0.040 | 0,050 | |
| 1035 | 0.32–0.38 | 0.60–0.90 | 0.040 | 0,050 | |
| 1040 | 0.37–0.44 | 0.60–0.90 | 0.040 | 0,050 | |
| 1045 | 0.43–0.50 | 0.60–0.90 | 0.040 | 0,050 | |
| 1050 | 0.48–0.55 | 0.60–0.90 | 0.040 | 0,050 | |
| 1518 | 0.15–0.21 | 1.10–1.40 | 0.040 | 0,050 | |
| 1524 | 0.19–0.25 | 1.35–1.65 | 0.040 | 0,050 | |
| 1541 | 0.36–0.44 | 1.35–1.65 | 0.040 | 0,050 | |
A Kisaran lan watesan sing diwenehake ing tabel iki ditrapake kanggo analisis panas; kajaba sing dibutuhake dening6.1, analisis produk tundhuk karo toleransi tambahan sing ditrapake ing Tabel Nomer 5.
| TABEL 3 Syarat Kimia kanggo Baja Paduan | |||||||||
| CATETAN | 1-Kisaran lan watesan ing tabel iki ditrapake kanggo baja ora ngluwihi 200 in.2(1290 cm2) ing area cross-sectional. | ||||||||
| CATETAN | 2-Jumlah cilik saka unsur tartamtu ana ing baja campuran sing ora ditemtokake utawa dibutuhake. Unsur kasebut dianggep minangka insidental | ||||||||
| lan bisa uga ana ing jumlah maksimum ing ngisor iki: tembaga, 0,35 %; nikel, 0,25 %; kromium, 0,20 %; molybdenum, 0,10 %. | |||||||||
| CATETAN | 3-Kisaran lan watesan sing diwenehake ing tabel iki ditrapake kanggo analisis panas; kajaba sing dibutuhake dening6.1, analisis produk tundhuk karo sing ditrapake | ||||||||
| toleransi tambahan diwenehi ing Tabel Nomer 5. | |||||||||
| sasmitaA,B | Watesan Komposisi Kimia,% | |||||||
| Designa- | ||||||||
| Karbon | Mangan | fosfor- | belerang,C,D | silikon | nikel | Kromium | Molybde- | |
| tion | ||||||||
| rus,Cmaks | maks | num | ||||||
| 1330 | 0.28–0.33 | 1.60–1.90 | 0.04 | 0.04 | 0.15–0.35 | … | … | … |
| 1335 | 0.33–0.38 | 1.60–1.90 | 0.04 | 0.04 | 0.15–0.35 | … | … | … |
| 1340 | 0.38–0.43 | 1.60–1.90 | 0.04 | 0.04 | 0.15–0.35 | … | … | … |
| 1345 | 0.43–0.48 | 1.60–1.90 | 0.04 | 0.04 | 0.15–0.35 | … | … | … |
| 3140 | 0.38–0.43 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | 1.10–1.40 | 0.55–0.75 | … |
| E3310 | 0.08–0.13 | 0.45–0.60 | 0,025 | 0,025 | 0.15–0.35 | 3.25–3.75 | 1.40–1.75 | … |
| 4012 | 0.09–0.14 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | … | 0.15–0.25 |
| 4023 | 0.20–0.25 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | … | 0.20–0.30 |
| 4024 | 0.20–0.25 | 0.70–0.90 | 0.04 | 0,035−0,050 | 0.15–0.35 | … | … | 0.20–0.30 |
| 4027 | 0.25–0.30 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | … | 0.20–0.30 |
| 4028 | 0.25–0.30 | 0.70–0.90 | 0.04 | 0,035−0,050 | 0.15–0.35 | … | … | 0.20–0.30 |
| 4037 | 0.35–0.40 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | … | 0.20–0.30 |
| 4042 | 0.40–0.45 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | … | 0.20–0.30 |
| 4047 | 0.45–0.50 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | … | 0.20–0.30 |
| 4063 | 0.60–0.67 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | … | 0.20–0.30 |
| 4118 | 0.18–0.23 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | 0.40–0.60 | 0.08–0.15 |
| 4130 | 0.28–0.33 | 0.40–0.60 | 0.04 | 0.04 | 0.15–0.35 | … | 0.80–1.10 | 0.15–0.25 |
| 4135 | 0.32–0.39 | 0.65–0.95 | 0.04 | 0.04 | 0.15–0.35 | … | 0.80–1.10 | 0.15–0.25 |
| 4137 | 0.35–0.40 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | 0.80–1.10 | 0.15–0.25 |
| 4140 | 0.38–0.43 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | 0.80–1.10 | 0.15–0.25 |
| 4142 | 0.40–0.45 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | 0.80–1.10 | 0.15–0.25 |
| 4145 | 0.43–0.48 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | 0.80–1.10 | 0.15–0.25 |
| 4147 | 0.45–0.50 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | 0.80–1.10 | 0.15–0.25 |
| 4150 | 0.48–0.53 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | 0.80–1.10 | 0.15–0.25 |
| 4320 | 0.17–0.22 | 0.45–0.65 | 0.04 | 0.04 | 0.15–0.35 | 1.65–2.00 | 0.40–0.60 | 0.20–0.30 |
| 4337 | 0.35–0.40 | 0.60–0.80 | 0.04 | 0.04 | 0.15–0.35 | 1.65–2.00 | 0.70–0.90 | 0.20–0.30 |
| E4337 | 0.35–0.40 | 0.65–0.85 | 0,025 | 0,025 | 0.15–0.35 | 1.65–2.00 | 0.70–0.90 | 0.20–0.30 |
| 4340 | 0.38–0.43 | 0.60–0.80 | 0.04 | 0.04 | 0.15–0.35 | 1.65–2.00 | 0.70–0.90 | 0.20–0.30 |
| E4340 | 0.38–0.43 | 0.65–0.85 | 0,025 | 0,025 | 0.15–0.35 | 1.65–2.00 | 0.70–0.90 | 0.20–0.30 |
| 4422 | 0.20–0.25 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | … | 0.35–0.45 |
| 4427 | 0.24–0.29 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | … | 0.35–0.45 |
| 4520 | 0.18–0.23 | 0.45–0.65 | 0.04 | 0.04 | 0.15–0.35 | … | … | 0.45–0.60 |
| 4615 | 0.13–0.18 | 0.45–0.65 | 0.04 | 0.04 | 0.15–0.35 | 1.65–2.00 | … | 0.20–0.30 |
| 4617 | 0.15–0.20 | 0.45–0.65 | 0.04 | 0.04 | 0.15–0.35 | 1.65–2.00 | … | 0.20–0.30 |
| 4620 | 0.17–0.22 | 0.45–0.65 | 0.04 | 0.04 | 0.15–0.35 | 1.65–2.00 | … | 0.20–0.30 |
| 4621 | 0.18–0.23 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | 1.65–2.00 | … | 0.20–0.30 |
| 4718 | 0.16–0.21 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | 0.90–1.20 | 0.35–0.55 | 0.30–0.40 |
| 4720 | 0.17–0.22 | 0.50–0.70 | 0.04 | 0.04 | 0.15–0.35 | 0.90–1.20 | 0.35–0.55 | 0.15–0.25 |
| 4815 | 0.13–0.18 | 0.40–0.60 | 0.04 | 0.04 | 0.15–0.35 | 3.25–3.75 | … | 0.20–0.30 |
| 4817 | 0.15–0.20 | 0.40–0.60 | 0.04 | 0.04 | 0.15–0.35 | 3.25–3.75 | … | 0.20–0.30 |
| 4820 | 0.18–0.23 | 0.50–0.70 | 0.04 | 0.04 | 0.15–0.35 | 3.25–3.75 | … | 0.20–0.30 |
| 5015 | 0.12–0.17 | 0.30–0.50 | 0.04 | 0.04 | 0.15–0.35 | … | 0.30–0.50 | … |
| 5046 | 0.43–0.50 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | 0.20–0.35 | … |
| 5115 | 0.13–0.18 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | 0.70–0.90 | … |
| 5120 | 0.17–0.22 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | 0.70–0.90 | … |
| 5130 | 0.28–0.33 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | 0.80–1.10 | … |
| 5132 | 0.30–0.35 | 0.60–0.80 | 0.04 | 0.04 | 0.15–0.35 | … | 0.75–1.00 | … |
| 5135 | 0.33–0.38 | 0.60–0.80 | 0.04 | 0.04 | 0.15–0.35 | … | 0.80–1.05 | … |
| 5140 | 0.38–0.43 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | 0.70–0.90 | … |
| 5145 | 0.43–0.48 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | 0.70–0.90 | … |
| 5147 | 0.46–0.51 | 0.70–0.95 | 0.04 | 0.04 | 0.15–0.35 | … | 0.85–1.15 | … |
| 5150 | 0.48–0.53 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | 0.70–0.90 | … |
| 5155 | 0.51–0.59 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | 0.70–0.90 | … |
| 5160 | 0.56–0.64 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | 0.70–0.90 | … |
| 52100E | 0.93–1.05 | 0.25–0.45 | 0,025 | 0.015 | 0.15–0.35 | 0,25 maks | 1.35–1.60 | 0.10 maks |
| E50100 | 0.98–1.10 | 0.25–0.45 | 0,025 | 0,025 | 0.15–0.35 | … | 0.40–0.60 | … |
| E51100 | 0.98–1.10 | 0.25–0.45 | 0,025 | 0,025 | 0.15–0.35 | … | 0.90–1.15 | … |
| E52100 | 0.98–1.10 | 0.25–0.45 | 0,025 | 0,025 | 0.15–0.35 | … | 1.30–1.60 | … |
| Vanadium | ||||||||
| 6118 | 0.16–0.21 | 0.50–0.70 | 0.04 | 0.04 | 0.15–0.35 | … | 0.50–0.70 | 0.10–0.15 |
| 6120 | 0.17–0.22 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | 0.70–0.90 | 0.10 min |
| 6150 | 0.48–0.53 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | … | 0.80–1.10 | 0.15 min |
| alumunium | Molybdenum | |||||||
| E7140 | 0.38–0.43 | 0.50–0.70 | 0,025 | 0,025 | 0.15–0.40 | 0.95–1.30 | 1.40–1.80 | 0.30–0.40 |
| nikel | ||||||||
| 8115 | 0.13–0.18 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | 0.20–0.40 | 0.30–0.50 | 0.08–0.15 |
| 8615 | 0.13–0.18 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 8617 | 0.15–0.20 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 8620 | 0.18–0.23 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 8622 | 0.20–0.25 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 8625 | 0.23–0.28 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 8627 | 0.25–0.30 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 8630 | 0.28–0.33 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 8637 | 0.35–0.40 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 8640 | 0.38–0.43 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 8642 | 0.40–0.45 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 8645 | 0.43–0.48 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 8650 | 0.48–0.53 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 8655 | 0.51–0.59 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 8660 | 0,55–0,65 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 8720 | 0.18–0.23 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.20–0.30 |
| 8735 | 0.33–0.38 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.20–0.30 |
| 8740 | 0.38–0.43 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.20–0.30 |
| 8742 | 0.40–0.45 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.20–0.30 |
| 8822 | 0.20–0.25 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.30–0.40 |
| 9255 | 0.51–0.59 | 0.60–0.80 | 0.04 | 0.04 | 1.80–2.20 | … | 0.60–0.80 | … |
| 9260 | 0.56–0.64 | 0.75–1.00 | 0.04 | 0.04 | 1.80–2.20 | … | … | … |
| 9262 | 0,55–0,65 | 0.75–1.00 | 0.04 | 0.04 | 1.80–2.20 | … | 0.25–0.40 | … |
| E9310 | 0.08–0.13 | 0.45–0.65 | 0,025 | 0,025 | 0.15–0.35 | 3.00–3.50 | 1.00–1.40 | 0.08–0.15 |
| 9840 | 0.38–0.42 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | 0.85–1.15 | 0.70–0.90 | 0.20–0.30 |
| 9850 | 0.48–0.53 | 0.70–0.90 | 0.04 | 0.04 | 0.15–0.35 | 0.85–1.15 | 0.70–0.90 | 0.20–0.30 |
| 50B40 | 0.38–0.42 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | 0.40–0.60 | … |
| 50B44 | 0.43–0.48 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | 0.40–0.60 | … |
| 50B46 | 0.43–0.50 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | 0.20–0.35 | … |
| 50B50 | 0.48–0.53 | 0.74–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | 0.40–0.60 | … |
| 50B60 | 0,55–0,65 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | 0.40–0.60 | … |
| 51B60 | 0.56–0.64 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | … | 0.70–0.90 | … |
| 81B45 | 0.43–0.48 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.20–0.40 | 0.35–0.55 | 0.08–0.15 |
| 86B45 | 0.43–0.48 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.40–0.70 | 0.40–0.60 | 0.15–0.25 |
| 94B15 | 0.13–0.18 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.30–0.60 | 0.30–0.50 | 0.08–0.15 |
| 94B17 | 0.15–0.20 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.30–0.60 | 0.30–0.50 | 0.08–0.15 |
| 94B30 | 0.28–0.33 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.30–0.60 | 0.30–0.50 | 0.08–0.15 |
| 94B40 | 0.38–0.43 | 0.75–1.00 | 0.04 | 0.04 | 0.15–0.35 | 0.30–0.60 | 0.30–0.50 | 0.08–0.15 |
B Biji sing ditampilake ing tabel iki kanthi huruf B, kayata 50B40, bisa uga duwe kontrol boron minimal 0,0005%. AKelas sing ditampilake ing tabel iki kanthi awalan huruf E umume diprodhuksi dening proses tungku-listrik dhasar. Kabeh liyane biasane diprodhuksi dening proses dhasar-buka-perapian nanging bisa diprodhuksi dening proses dhasar-listrik-tungku kanthi pangaturan ing fosfor lan belerang.
CWatesan sulfur fosfor kanggo saben proses yaiku:
Tungku listrik dhasar 0,025 maks % Tungku listrik asam 0,050 maks %
Perapian mbukak dhasar 0,040 maks % Asam mbukak perapian 0,050 maks %
D Isi sulfur minimal lan maksimum nuduhake baja resulfurized.
ESing tuku bisa nemtokake jumlah maksimum ing ngisor iki: tembaga, 0,30 %; aluminium, 0,050%; lan oksigen, 0,0015 %.
Properti Mekanik
Properti Tarik Khas, Kekerasan lan Kondisi Termal kanggo sawetara Kelas Karbon lan Baja Paduan sing Luwih Umum
CW—Cold Worked SR—Stress Relieved A—Annealed N—NormalizedA Ing ngisor iki definisi simbol kanggo macem-macem kondisi: HR—Hot Rolle
| sasmita | Kondisi- | Pamungkas | ngasilaken | Elongation | Rockwell, | ||||
| desain- | tionA | kekuatan, | kekuatan, | ing 2 ing. utawa | Kekerasan | ||||
| bangsa | 50 mm, % | B Skala | |||||||
| ksi | MPa | ksi | MPa | ||||||
| 1020 | HR | 50 | 345 | 32 | 221 | 25 | 55 | ||
| CW | 70 | 483 | 60 | 414 | 5 | 75 | |||
| SR | 65 | 448 | 50 | 345 | 10 | 72 | |||
| A | 48 | 331 | 28 | 193 | 30 | 50 | |||
| N | 55 | 379 | 34 | 234 | 22 | 60 | |||
| 1025 | HR | 55 | 379 | 35 | 241 | 25 | 60 | ||
| CW | 75 | 517 | 65 | 448 | 5 | 80 | |||
| SR | 70 | 483 | 55 | 379 | 8 | 75 | |||
| A | 53 | 365 | 30 | 207 | 25 | 57 | |||
| N | 55 | 379 | 36 | 248 | 22 | 60 | |||
| 1035 | HR | 65 | 448 | 40 | 276 | 20 | 72 | ||
| CW | 85 | 586 | 75 | 517 | 5 | 88 | |||
| SR | 75 | 517 | 65 | 448 | 8 | 80 | |||
| A | 60 | 414 | 33 | 228 | 25 | 67 | |||
| N | 65 | 448 | 40 | 276 | 20 | 72 | |||
| 1045 | HR | 75 | 517 | 45 | 310 | 15 | 80 | ||
| CW | 90 | 621 | 80 | 552 | 5 | 90 | |||
| SR | 80 | 552 | 70 | 483 | 8 | 85 | |||
| A | 65 | 448 | 35 | 241 | 20 | 72 | |||
| N | 75 | 517 | 48 | 331 | 15 | 80 | |||
| 1050 | HR | 80 | 552 | 50 | 345 | 10 | 85 | ||
| SR | 82 | 565 | 70 | 483 | 6 | 86 | |||
| A | 68 | 469 | 38 | 262 | 18 | 74 | |||
| N | 78 | 538 | 50 | 345 | 12 | 82 | |||
| 1118 | HR | 50 | 345 | 35 | 241 | 25 | 55 | ||
| CW | 75 | 517 | 60 | 414 | 5 | 80 | |||
| SR | 70 | 483 | 55 | 379 | 8 | 75 | |||
| A | 50 | 345 | 30 | 207 | 25 | 55 | |||
| N | 55 | 379 | 35 | 241 | 20 | 60 | |||
| 1137 | HR | 70 | 483 | 40 | 276 | 20 | 75 | ||
| CW | 80 | 552 | 65 | 448 | 5 | 85 | |||
| SR | 75 | 517 | 60 | 414 | 8 | 80 | |||
| A | 65 | 448 | 35 | 241 | 22 | 72 | |||
| N | 70 | 483 | 43 | 296 | 15 | 75 | |||
| 4130 | HR | 90 | 621 | 70 | 483 | 20 | 89 | ||
| SR | 105 | 724 | 85 | 586 | 10 | 95 | |||
| A | 75 | 517 | 55 | 379 | 30 | 81 | |||
| N | 90 | 621 | 60 | 414 | 20 | 89 | |||
| 4140 | HR | 120 | 855 | 90 | 621 | 15 | 100 | ||
| SR | 120 | 855 | 100 | 689 | 10 | 100 | |||
| A | 80 | 552 | 60 | 414 | 25 | 85 | |||
| N | 120 | 855 | 90 | 621 | 20 | 100 | |||
d
Toleransi
Njaba Dhiameter Toleransi kanggo Round Hot-Rampung TubingA,B,C
| Range Ukuran Diameter njaba, | Toleransi Diameter njaba, in (mm) | |||
| ing. (mm) | Swara | Ing | ||
| Nganti 2.999 (76.17) | 0.020 (0.51) | 0.020 (0.51) | ||
| 3.000–4.499 (76.20–114.27) | 0.025 (0.64) | 0.025 (0.64) | ||
| 4.500–5.999 (114.30–152.37) | 0.031 (0.79) | 0.031 (0.79) | ||
| 6.000–7.499 (152.40–190.47) | 0.037 (0.94) | 0.037 (0.94) | ||
| 7.500–8.999 (190.50–228.57) | 0.045 (1.14) | 0.045 (1.14) | ||
| 9.000–10.750 (228.60–273.05) | 0,050 (1,27) | 0,050 (1,27) | ||
A Toleransi Diameter ora ditrapake kanggo kahanan normal lan tempered utawa quenched lan tempered.
B Ukuran umum saka tabung panas rampung yaiku 11⁄2 in. (38,1 mm) nganti 103⁄4 in. (273,0 mm) diameteripun njaba karo kekandelan tembok paling 3 % utawa luwih saka diameteripun njaba, nanging ora kurang saka 0,095 in (2,41 mm).
C kasedhiya ukuran luwih gedhe; takon produsen kanggo ukuran lan toleransi.
Toleransi Kekandelan Tembok kanggo Round Hot-Rampung
Tubing
| Kekandelan tembok | Toleransi Kekandelan Tembok,Apersen Swara | |||
| Range minangka Persen | lan Ing Nominal | |||
| saka Njaba | ||||
| Njaba | Njaba | Njaba | ||
| Dhiameter | ||||
| Dhiameter | Dhiameter | Dhiameter | ||
| 2,999 ing. | 3.000 ing. | 6.000 ing. | ||
| (76,19 mm) | (76,20 mm) | (152,40 mm) | ||
| lan luwih cilik | iki 5,999 in. | iki 10.750 in. | ||
| (152,37 mm) | (273,05 mm) | |||
| Ing ngisor 15 | 12.5 | 10.0 | 10.0 | |
| 15 lan liwat | 10.0 | 7.5 | 10.0 | |
A Toleransi kekandelan tembok bisa uga ora ditrapake kanggo tembok 0,199 ing. (5,05 mm) lan kurang; takon pabrikan kanggo toleransi tembok babagan ukuran tabung kasebut.
ukuran luwih penting, banjur tubing kadhemen-makarya kudu kasebut kanggo diameteripun nang lan kekandelan tembok utawa diameteripun njaba lan diameteripun nang.
Pipa Mekanik Diuripake Kasar-Variasi ing diameter njaba lan kekandelan tembok ora ngluwihi toleransi ing Tabel. Tabel isine toleransi minangka Applied kanggo diameteripun njaba lan kekandelan tembok lan ditrapake kanggo ukuran kasebut.
Ground Mechanical Tubing-Variasi ing njaba diameteripun ora ngluwihi toleransi ing Tabel. Produk iki biasane digawe saka tabung sing digawe adhem.
Lengths - Pipa mekanik umume dilengkapi ing dawa gilingan, 5 ft (1,5 m) lan luwih. Dawane potong sing ditemtokake diwenehake nalika ditemtokake dening panuku. Toleransi dawa ditampilake ing Tabel.
Straightness - Toleransi straightness kanggo pipa bunder sing mulus ora ngluwihi jumlah sing dituduhake ing Tabel.
Syarat Test
1. Tes kekerasan
Nalika watesan atose dibutuhake, pabrikan kudu takon. Kekerasan khas kadhaptar ing Tabel .Yen ditemtokake, tes kekerasan kudu ditindakake ing 1% saka tabung.
2. Tes Ketegangan
Nalika sifat tensile dibutuhake, pabrikan kudu takon. Sifat tensile khas kanggo sawetara gelar sing luwih umum lan kondisi termal kadhaptar ing tabel.
3. Tes Nondestruktif
Ana macem-macem jinis tes ultrasonik utawa elektromagnetik sing ora ngrusak. Tes sing bakal digunakake lan watesan pamriksa kudu ditetepake kanthi persetujuan pabrikan lan panuku.
4. Tes Flaring
Yen ana syarat khusus kanggo karesikan baja, metode tes lan watesan panrima kudu ditetepake kanthi persetujuan pabrikan lan panuku.










