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GB24187 Tabung baja dilas presisi presisi tunggal

dapatkan harga terbaru

Jenis pembayaran:

L/C,T/T,D/P,Paypal,Money Gram,Western Union

Inkoterm:

FOB,CFR,CIF,FCA,CPT

Min. Memesan:

5 Ton

Transportasi:

Ocean,Land,Air

Pelabuhan:

Shanghai,Ningbo

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 Ngobrol

Deskripsi Produk

Atribut Produk
Kemampuan Pasokan & Informasi Tambahan
& pengiriman paket

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Overview

Atribut Produk

Model No: GB24187

Merek: Untuk kaya

Kemampuan Pasokan & Informasi Tambahan

Kemasan: packing dalam kotak kayu atau dalam bundel heksagonal

Produktivitas: 20000 Tons per Year

Transportasi: Ocean,Land,Air

Tempat asal: Zhejiang, China (Daratan)

Dukungan tentang: 60000 Ton per year

Sertifikat: ISO9001:2008 ISO14001:2008

Kode HS: 7306301100

Pelabuhan: Shanghai,Ningbo

Jenis pembayaran: L/C,T/T,D/P,Paypal,Money Gram,Western Union

Inkoterm: FOB,CFR,CIF,FCA,CPT

& pengiriman paket

Menjual unit:: Ton

Tipe paket:: packing dalam kotak kayu atau dalam bundel heksagonal

Nama Produk : GB24187 Cold rolled baja karbon rendah Tabung baja dilas presisi yang dilas tunggal

Standar : GB24187

OD: 3-420mm

WT: 0,5-50mm

Panjang : 1-12m atau sesuai dengan aplikasi dan produksi aktual pelanggan.

Aplikasi : Mesin

Kelas Baja : 10 # .20 #

Teknologi : ditarik dingin, digulung dingin

Ciri:

Konsentrisitas yang baik

Kualitas permukaan bagus

Toleransi OD dan ID yang baik

Presisi Tinggi

Kualitas stabil

Kekasaran halus

JAMINAN KUALITAS TORICH

Table1 Jenis, keadaan dan kode permukaan tabung baja

Type	State	Code
Bright Surface	No coating on the inner and outer surface of steel pipe	SL
Copper plated surface	Copper plating on the outer surface of steel tube	Cu
Galvanized surface	Galvanized or zinc alloy on the outer surface of steel pipe	Zn
Double-sided copper plating surface	The inner and outer surfaces of the steel pipe are plated with copper	Cu/Cu
External galvanized inner copper plating surface	Galvanized or zinc alloy on the outer surface of steel pipe, copper plating on the inner surface	Zn/Cu
a. Use electroplating, electroless or hot dip plating. b. Manufacture of steel strip with double-sided copper plating, and the quality of the coating at the weld line should be negotiated by both suppliers and suppliers. c. Manufacture of steel strip with double-sided copper plating.

Tabel 2 Diameter luar, ketebalan dinding dan berat teoritis

OD/mm

WT/mm

0.30

0.40

0.50

0.60

0.65

0.70

0.80

0.90

1.00

1.30

theoretical weight /(kg/m)

3.18

0.0213

0.0274

0.0330

4.00

0.0274

0.0355

0.0432

0.0503

4.76

0.0330

0.0430

0.0525

0.0616

0.0659

0.0701

5.00

0.0348

0.0454

0.0555

0.0651

0.0697

0.0742

6.00

0.0422

0.0552

0.0678

0.0799

0.0858

0.0915

0.1026

0.1132

0.1233

6.35

0.0448

0.0587

0.0721

0.0851

0.0914

0.0975

0.1095

0.1210

0.1319

7.94

0.0565

0.0744

0.0917

0.1086

0.1169

0.1250

0.1409

0.1563

0.1712

0.2129

8.00

0.0570

0.0750

0.0925

0.1095

0.1178

0.1260

0.1421

0.1576

0.1726

0.2148

9.53

0.0683

0.0901

0.1113

0.1321

0.1423

0.1524

0.1722

0.1915

0.2104

0.2639

10.00

0.0718

0.0947

0.1171

0.1391

0.1499

0.1605

0.1815

0.2020

0.2220

0.2789

12.00

0.0866

0.1144

0.1418

0.1687

0.1819

0.1951

0.2210

0.2464

0.2713

0.3430

12.70

0.0917

0.1213

0.1504

0.1790

0.1932

0.2072

0.2348

0.2619

0.2885

0.3655

14.00

0.1014

0.1342

0.1665

0.1983

0.2140

0.2296

0.2604

0.2908

0.3206

0.4072

15.88

0.1153

0.1527

0.1896

0.2261

0.2441

0.2621

0.2975

0.3325

0.3670

0.4674

16.00

0.1162

0.1539

0.1911

0.2279

0.2461

0.2641

0.3000

0.3352

0.3699

0.4713

18.00

0.1310

0.1736

0.2158

0.2575

0.2781

0.2987

0.3393

0.3795

0.4192

0.5354

Theoretical weight of no additional coating, density of steel is 7.85 kg/dm3

Outer diameter	Common precision	High precision
＜4.76	±0.08	±0.05
4.76-8.00	±0.12	±0.07
＞8.00-12.00	±0.16	±0.10
＞12.00	±0.20	±0.12

Tabel 4 Deviasi yang diperbolehkan dari ketebalan dinding tabung baja

Wall thickness	Permissible deviation
＜0.70	±0.05
≥0.70	±0.07

Table5 Deviasi yang diijinkan dari panjang pipa baja yang ditentukan

Length	Allowable deviation
≤2000	+4 0
＞2000-5000	+7 0
＞5000-8000	+10 0

TABEL 6 Komposisi Kimia Strip Baja ( Fraksi Massa ) %

Category	C	Si	Mn	P	S
Cold rolled low carbon steel strip	≤0.08	≤0.03	≤0.30	≤0.030	≤0.030
Cold rolled ultra low carbon steel strip	≤0.008	≤0.03	≤0.25	≤0.020	≤0.030

TABEL 7 Sifat Mekanik Baja Strip Baja Rendah Gulungan Dingin

Thickness /mm	Tensile Strength Rm/MPa	Yield Strength Reh/MPa	Elongation A/%
0.25~＜0.35	≥270		≥32
0.35~＜0.50			≥34
≥0.50			≥36
a Replace with RP0.2 when the yield phenomenon is not obvious. b Sample type of sample number D14 in GB/T 228-2002.

TABEL 8 Sifat Mekanis Baja Strip Baja Karbon Sangat Rendah Gulung Dingin

Thickness /mm	Tensile Strength Rm/MPa	Yield Strength Reh/MPa	Elongation A/%
≤0.50	≥280	130~250	≥38
＞0.50	≥280	130~250	≥40
a Replace with RP0.2 when the yield phenomenon is not obvious. b Sample type of sample number P14 in GB/T 228-2002.

TABEL 9 Sifat mekanik dari pipa baja

Category	Tensile Strength Rm/MPa	Yield Strength Reh/MPa	Elongation A/%
Ordinary steel pipe(MA)	≥270	≥180	≥14
Soft steel tube(MB)	≥230	150~220	≥35
a Replace with RP0.2 when the yield phenomenon is not obvious. b Sample type of sample number S7 in GB/T 228-2002.

TABEL 10 Item Inspeksi, Metode Uji Dan Kuantitas Sampling

NO	Inspection Items	Sampling Method ,Test Methods	Sampling Quantity
1	Chemical composition	GB/T 223, GB/T 4336, GB/T 20066 GB/T 20123, GB/T 20126	Take 1 samples per furnace
2	Mechanical property	GB/T 228	Take 1 samples per batch
3	Flattening test	GB/T 246	Take 1 samples per furnace
4	Expansion test	GB/T 242	Take 1 samples of two steel pipes per batch
5	Bending test	GB/T 244	Take 1 samples per batch
6	Hydraulic test	GB/T 241	Take 1 samples per batch
7	Flared test	Appendix A	Take 1 samples per batch
8	Requirements for the inner surface of high definition clean steel pipe	Appendix B	Consultation between Supply and demand parties
9	Outer coating	Appendix C	Consultation between Supply and demand parties
10	Residuals of internal surface cleanliness	Appendix D	Consultation between Supply and demand parties

Tabel A Ukuran Pembakaran Ganda Ganda

Out Dimensions D	Single-Layer expansion diameter D₁	Double-Layer expansion diameter D₂	The minimum length of Double-Layer expansion diameter L	Inner diameter of double-lay expansion D₃	The inner diameter of flaring round corner r
3.18	4.5	5.0	1.0	The maximum size :(D-2S)+0.25 The minimum size:(D-2S)-0.50	1.0±0.3
4.00	5.4	6.0	1.0
4.76	6.3	7.0	1.0
5.00	6.6	7.3	1.0
6.00	7.7	8.4	1.0
6.35	8.1	8.8	1.0
7.94	10.1	10.7	1.6
8.00	10.1	10.8	1.6
9.53	11.8	12.5	1.6
10.00	12.3	13.0	1.6
12.00	14.6	15.2	1.6
14.00	17.0	17.5	2.1
15.88	19.1	19.6	2.1
16.00	19.2	19.7	2.1
18.00	21.5	22.0	2.1
Only to choose one from D₂ andD₃

Tabel C.1 Label, Jenis dan Waktu Tabung Baja Anti-korosi untuk Pendinginan

Label	Type	The time of anti-corrosion
Cu	Copper-coated iron	--
Zn	Galvanized pipe	48h

Tabel C.2 Film Konversi Tabung Tembaga pada Label, Tipe, Penampilan Khas dan Waktu Anti-korosi

Label	Type	Typical appearance	The time of anti-corrosion
A	Bright	Transparent, sometimes with a slight blue light	6h
B	Bleach	Transparent and a little iridescence	24h
C	Iridescence	The iridescence of partial yellow	72h
D	Dark color	Oliver green with brown and bronze	96h
E	Composite	Dark	200h
Note: This table is based on chromate conversion film, the use of other treatment methods can be negotiated by both parties