| Customization: | Available |
|---|---|
| Type: | Stainless Steel Pipes |
| Standard: | ASTM, AISI, GB, JIS, DIN, EN, Customed |
|
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| Manufacture Standard: |
ASTMA213, ASTMA312, ASTM A269, ASTMA511, ASTM A789, ASTM A790,GOST 9941, GOST 9940, DIN17456, DIN17458, EN10216-5, EN17440,JISG3459, JIS3463,GB/T13296, GB/T14976, GB/T14975, GB9948, GB5310, etc |
| Grades: |
304 , 304L, 304H, 304N, 316, 316L 316Ti, 317L, 310S, 321, 321H, 347H, S31803, S32750, 347, 330, 825, 904L,12X18H9, 08X18H10, 03X18H11, 08X18H10T, 20X25H20C2, 08X17H13M2T, 08X18H12E. 1.4301, 1.4306, 1.4401, 1.4404, 1.4435, 1.4541, 1.4571, 1.4563, 1.4462, 1.4845, SUS304, SUS304L, SUS316, SUS316L, SUS321, SUS310S etc |
| Size: |
A).Out diameter: ANSI 1/8"-24"(6mm-630mm). B).Wall thickness: (0.9mm-50mm) |
| Process methods: | cold dawning, cold rolling |
| Surface &Delivery condition: | Solution annealed and pickled, grey white (polished),with plain ends/bevel edges ends |
| Length: | Max25 meters |
| Packing: | in seaworthy wooden cases or in bundles |
| Min order quantity: | 0.5-1 ton |
| Delivery date: | TP304,TP310s pipes usually have stock,others Min. 10 days |
| Certificates: | ISO9001:2000 quality system and Mill test Certificate supplied |
Quality Assure:
| Quality assure: | 1),Basic guarantee: | Raw material guarantee,we use the Tsingshan Brand raw material,the quality is good,adding we use the spectrum direct-reading test,our professional workers &equipments,we could guarantee the tubes is right of the clients' needs. |
| 2),Process control: | follow the process chart adding our workers' care |
|
| 3),Inspection& Test | Direct-reading Spectrum Instrument analytic for chemical composition, Yield Strength, Tensile Strength, Elongation, Hardness Test, Flattening Test, Flaring Test, Eddy Current Test, Ultrasonic Test, Hydrostatic Test, Corrosion Test, etc |
General Require of ASTMA213/M
| standard Items |
ASTM A213/A213M | |||
Steel grade |
TP301 TP304L TP316 TP316L TP317 TP310L TP347 TP310S TP347H△ TP310H * TP309H* TP321H△ |
|||
| Rp0.2(Mpa) | ≥170 ; ≥205 | |||
| Rm(Mpa) | ≥485 ; ≥515 | |||
| A(%) | ≥35 | |||
| Flatten experiment(mm) | H=1.09t/(0.09+t/D) | |||
| flaring test | Inside diameter 21-68% | |||
| Grain size | "*"," △ "ASTM E112/ "△ "7#or above7#"*"6#or above6# | |||
hydrostatic test (Mpa) |
D | Pmax | P=220.6t/D |
|
| <25.4 | 7 | |||
| 25.4-<38.1 | 10 | |||
| 38.1-<50.8 | 14 | |||
| 50.8-<76.2 | 17 | |||
| 76.2-<127 | 24 | |||
| ≥127 | 31 | |||
| Crystal corrosion test |
ASTM A262 | |||
| nondestructive inspection | ASTM E213 E309 E426 | |||
| Heat treatment (solid solution) | required | |||
Out-diameter tolerance(mm) |
OD | TOLERANCE | ||
| <25.4 | ±0.10 | |||
| 25.4-≤38.1 | ±0.15 | |||
| >38.1-<50.8 | ±0.20 | |||
| 50.8-<63.5 | ±0.25 | |||
| 63.5-<76.2 | ±0.30 | |||
| 76.2-≤101.6 | ±0.38 | |||
| >101.6-≤190.5 | ±0.38/-0.64 | |||
| >190.5-≤228.6 | ±0.38/-1.14 | |||
Thickness tolerance(mm) |
OD | TOLERANCE | ||
| ≤38.1 | +20%-0 | |||
| >38.1 | +22%-0 | |||
| straightness(mm/m) | REASONABLE | |||
| HARDNESS | HRB<90 | |||
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