Maikaʻi maikaʻi Kina 42CrMo4, 42CrMo, 4140 Alloy Seamless Steel Paipu
42 CrMo4, 42CrMo, 4140 paipu huila
GB maʻamau: 42CrMo
ASTM maʻamau: 4140
ʻEulopa maʻamau: 42CrMo4
ʻO Iapana maʻamau:SCM440(SCM4)
Nānā nui
Palapala noi
Hoʻohana nui ʻia e hana kiʻekiʻe kiʻekiʻe alloy steel mechanical pipe
Mea Kimia
| Papa | C | Si | Mn | S | P | Cr | Ni | Cu | Mo |
| 4140 | 0.38～0.43 | 0.15～0.35 | 0.75～1.00 | ≤0.040 | ≤0.030 | 0.80～1.10 | ≤0.030 | ≤0.030 | 0.15～0.25 |
Waiwai Mekani
| Papa | Ikaika U'i | Ka ikaika hua | ʻO ka lōʻihi | ʻoʻoleʻa |
| 4140 | ≥1080 | ≥950 | ≥12 | ≤217HB |
Koi hoao
Ma kahi o ka hōʻoia ʻana i ka haku mele a me nā waiwai mechanical, hana ʻia nā hoʻokolohua hydrostatic i kēlā me kēia, Nondestructive Examination, Product Analysis, Metal Structure and Etching Tests, Flattening test etc.
Hiki ke hoolako
Hiki ke hoʻolako: 2000 Tons i kēlā me kēia mahina no ka papa o ASTM 4140 Alloy Steel Pipe
Hoʻopili ʻia
I loko o nā pūʻolo a i loko o ka pahu lāʻau ikaika
Hāʻawi
7-14 mau lā inā ma ka waihona, 30-45 mau lā e hana ai
Uku
30% depsoit, 70% L/C a i ʻole B/L kope a i ʻole 100% L/C i ka ʻike
Huahana Huahana
Paipu paila
GB/T5310-2017
ASME SA-106/SA-106M-2015
ASTMA210(A210M)-2012
ASME SA-213/SA-213M
ASTM A335/A335M-2018
E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou
