|
|
| Home | About Us | Product | Know How | Contact Us |
| |
|
|
|
YB/T 4370 Welded Stainless Steel Tubes for City Gas Transportion
|
|
|
Standard: YB/T 4370
Equivalent Standards: EN 10312 |
Material: 06Cr19Ni10
Equivalent Material: TP304L, UNS S30403, 04Ch18N10 |
| Chemistry Composition |
Grade |
C, % |
Si, % |
Mn, % |
P, % |
S, % |
Cr, % |
Ni, % |
Cu, % |
Mo, % |
N, % |
Others, % |
06Cr19Ni10 |
0.08 max |
0.75 max |
2.00 max |
0.045 max |
0.030 max |
18.0-20.0 |
8.00-10.5 |
- |
- |
0.10 max |
- |
022Cr19Ni10 |
0.03 max |
0.75 max |
2.00 max |
0.045 max |
0.030 max |
18.0-20.0 |
8.00-12.0 |
- |
- |
0.10 max |
- |
06Cr17Ni12Mo2 |
0.08 max |
0.75 max |
2.00 max |
0.045 max |
0.030 max |
16.0-18.0 |
10.0-14.0 |
- |
2.00-3.00 |
0.10 max |
- |
022Cr17Ni12Mo2 |
0.03 max |
0.75 max |
2.00 max |
0.045 max |
0.030 max |
16.0-18.0 |
10.0-14.0 |
- |
2.00-3.00 |
- |
- |
022Cr17Ti |
0.03 max |
0.75 max |
1.00 max |
0.035 max |
0.030 max |
16.0-19.0 |
- |
- |
- |
- |
Ti or Nb:0.10-1.00 |
019Cr19Mo2NbTi |
0.025 max |
1.00 max |
1.00 max |
0.040 max |
0.030 max |
17.5-19.5 |
1.00 max |
- |
1.75-2.50 |
0.035 max |
Ti+Nb:[4×(C+N)+0.20]-0.80 |
019Cr22CuNbTi |
0.025 max |
1.00 max |
1.00 max |
0.040 max |
0.030 max |
20.0-23.0 |
0.60 max |
0.30%-0.80% |
- |
0.025 max |
Ti+Nb:10×(C+N)-0.80 |
|
| Mechanical Properties |
Tensile Strength , MPa |
Yield Strength, MPa |
Elongation, % |
460-680 |
180 min |
40 min |
|
| Outside Diameter & Tolerance |
Hot rolled |
Outside Diameter, mm |
Tolerance |
44.5≤OD≤219.1 |
D1, ±1.5% or ±0.75mm |
44.5≤OD≤219.1 |
D2, ±1% or ±0.5mm |
219.1＜OD≤610 |
D1, ±1.5% or ±0.75mm |
Cold Drawn |
Outside Diameter, mm |
Tolerance |
OD≤219.1 |
D2, ±1% or ±0.5mm |
OD≤219.1 |
D3, ±0.75% or ±0.3mm |
OD≤219.1 |
D4, ±0.5% or ±0.1mm |
|
| Wall thickness & Tolerance |
Hot rolled |
Outside Diameter, mm |
Tolerance |
44.5≤OD≤219.1 |
T1, ±15% or ±0.6mm |
44.5≤OD≤219.1 |
T2, ±12.5% or ±0.4mm |
219.1＜OD≤610, WT≤0.05*OD |
+22.5%/-15% |
219.1＜OD≤610, 0.05*OD＜WT≤0.09*OD |
T1, ±15% or ±0.6mm |
219.1＜OD≤610, WT>0.09*OD |
T2, ±12.5% or ±0.4mm |
Cold Drawn |
Outside Diameter, mm |
Tolerance |
OD≤219.1 |
T3, ±10% or ±0.2mm |
OD≤219.1 |
T4, ±7.5% or ±0.15mm |
|
YB/T 4370 specifies the classification, code, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of welded stainless steel tubes for city gas transportation. YB/T 4370 is applicable to welded stainless steel tubes for city gas transportation with nominal pressure (PN) not more than 0.4MPa.
YB/T 4370规定了城镇燃气输送用不锈钢焊接钢管的分类、代号、尺寸、外形、重量及允许偏差、技术要求、试验方法、检验规则、包装、标志和质量证明书。YB/T 4370适用于公称压力(PN)不超过0.4MPa的城镇燃气输送用不锈钢焊接钢管。 |
Length: 5800mm; 6000mm; 8000mm; 10000mm; 11800mm; and so on.
Max length: 18000mm, also U bending can be offered. |
| Keyword: stainless steel tube, stainless steel pipe, DIN 17456 |
| |
| Home | About Us | Product | Know How |Contact Us |
|
