ASTM A106 A53 API 5L Round Black Umbhobho wentsimbi engenamthungo weCarbon kunye neTube

Inkcazelo emfutshane:

Ngaphakathi kweDiya (mm)	Unyamezelo lwesazisi (mm)				Unyamezelo lwe-WT (mm)
Ngaphakathi kweDiya (mm)	H7	H8	H9	H10	Unyamezelo lwe-WT (mm)
≤30	+0.021/0	+0.033/0	+0.052/0	+0.084/0	±7.5% > 210mm ±10%
30 – ≤50	+0.025/0	+0.039/0	+0.062/0	+0.100/0
50 – ≤80	+0.030/0	+0.046/0	+0.074/0	+0.120/0
80 – ≤120	+0.035/0	+0.054/0	+0.087/0	+0.140/0
120 – ≤180	+0.040/0	+0.063/0	+0.100/0	+0.160/0
180 - ≤250	+0.046/0	+0.072/0	+0.115/0	+0.185/0
250 – ≤315	+0.052/0	+0.081/0	+0.130/0	+0.210/0
315 – ≤700	+0.057/0	+0.089/0	+0.140/0	+0.230/0

Thumela i-imeyile kuthi

Iinkcukacha zeMveliso

Iithegi zeMveliso

Umzobo weenkcukacha zemveliso

Iinkcukacha zeMveliso:

IBanga leNsimbi	Ukwakheka kweekhemikhali%
	C	Si	Mn	P	S	Al
	C	Si	Mn	≤		≥
20#	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	/
45#	0.42-0.50	0.17-0.37	0.50-0.80	0.035	0.035	/
Q345B	≤0.2	≤0.5	1.00-1.60	0.03	0.03	/
Q345D	≤0.2	≤0.5	1.00-1.60	0.03	0.03	0.015
25Mn	0.22-0.29	0.17-0.37	0.70-1.00	0.035	0.035	/
27SiMn	0.24-0.32	1.10-1.40	1.10-1.40	0.035	0.035	/
ST52	≤0.22	≤0.55	≤1.6	0.025	0.025	/
SAE1026	0.22-0.28	0.15-0.35	0.60-0.90	0.04	0.05	/

Unikezelo lwemeko	kubanda kugqityiwe (kanzima) (BK)	ukutsalwa ngokubanda kunye nokunciphisa uxinzelelo (BK+S)
IBanga leNsimbi	Amandla Okuqina (Mpa)	Ubude (%)	Amandla Okuqina (Mpa)	Isivuno Amandla (Mpa)	Ubude (%)
20#	≥550	≥8	≥520	≥375	≥15
45#	≥640	≥5	≥600	≥520	≥10
16Mn	≥640	≥5	≥600	≥520	≥14
25Mn	≥640	≥5	≥600	≥510	≥15
27SiMn	≥800	≥5	≥760	≥610	≥10
ST52	≥640	≥5	≥600	≥520	≥14
SAE1026	≥640	≥5	≥600	≥510	≥15

IiNgcaciso zeMibhobho eHoniweyo:

1.Steel grade: ST52.3, 1020, CK45, 4140 , E355,4130, Stainless Steel 304/316, Duplex 2205, iAlloy Steel njl.
2.ID: 15mm-1500mm
3.OD: 18mm-1800mm
4.Ubude: max 16m
5.Ukuthe tye: 0.5/1000
6.Uburhabaxa(Ra): 0.2-0.4um
7.Ukunyamezelana EXT:DIN2391,DIN17175,DIN1629,ASTM519,ASTMA106,JISG3441,GB/T8163,GB/T3639,GB9948,GB/T5312 njl.
8.Ukunyamezela INT: ISO H8
9.Unyango lomphezulu:igalvanized
10. Ukunyamezela: ± 7%
11.I-oyile okanye i-oiled: I-oyile kancinane
12.Umhla wokuziswa:22-30
13.Uhlobo: umzobo obandayo, ukuqengqeleka okubandayo, ukuhonjiswa
14.Conservation: anti rust oyile ngaphakathi nangaphandle umphezulu, iikepusi zeplastiki kuzo zombini iziphelo
15.Package: inyanda enentsimbi kunye nomtya wokunitha, okanye ityala leplanga.

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