Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters
Brand Name:Torich
Certification:ISO 9001:2008 , TS16949 , KR , RINA
Model Number:ASTM A688
Minimum Order Quantity:5MT
Delivery Time:30~45days
Payment Terms:L/C, T/T
Contact Now
Add to Cart
Verified Supplier
Location:
Ningbo Zhejiang China
Address:
Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Supplier`s last login times:
within 42 hours
Product Details
Company Profile
Product Details
ASTM A688 TP304/304L/304LN , TP316/316L/316LN Welded Austenitic Stainless Steel Feed warter Heater Tubes
Size range:
O.D.: 4.0-230mm W.T.:1-30mm L: according to customer requirement
Material and Manufacture:
Tubes are made from Flat-rolled steel by automatic welding process.
Subsequent to welding and prior to final heat treatment, the tubes are cold drawn or cold rolled
The tubes are ready for U-bending after annealed, according to customer's drawing and design.
Surface Condition:
The tubes are pickled in nitric and hydrofluoric acids.
Bright annealing.
Mechanical Requirement
Grade: | TP304 | TP304L | TP304LN | TP316 | TP316L | TP316LN | TP316LN | TPXM-29 | TP304N |
UNS | S30400 | S30403 | S30453 | S31600 | S31603 | S31653 | S31653 | S24000 | S30451 |
C, max | 0.08 | 0.035 | 0.035 | 0.080 | 0.035 | 0.035 | 0.035 | 0.08 | 0.080 |
Mn, max | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 11.5-14.5 | 2.00 |
P, max | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 | 0.060 | 0.045 |
S, max | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 |
Si, max | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Ni | 18.0-20.0 | 18.0-20.0 | 18.0-20.0 | 16.0-18.0 | 16.0-18.0 | 16.0-18.0 | 16.0-18.0 | 17.0-19.0 | 18.0-20.0 |
Cr | 8.0-11.0 | 8.0-13.0 | 8.0-12.0 | 11.0-14.0 | 10.0-14.0 | 11.0-14.0 | 11.0-14.0 | 2.3-3.7 | 8.0-18.0 |
Mo | … | … | … | 2.00-3.00 | 2.00-3.00 | 2.00-3.00 | 2.00-3.00 | … | … |
Nitrogen | … | … | … | … | … | … | … | … | … |
Copper | … | … | … | … | … |
| Grade: | TP316N | … | … | … | … |
| UNS | S31651 | N08367 | N08926 | S31254 | S32654 |
| C, max | 0.070 | 0.030 | 0.020 | 0.020 | 0.020 |
| Mn, max | 2.00 | 2.00 | 2.00 | 1.00 | 2.0-4.0 |
| P, max | 0.045 | 0.040 | 0.030 | 0.030 | 0.030 |
| S, max | 0.030 | 0.030 | 0.010 | 0.100 | 0.005 |
| Si, max | 4.8-6.0 | 1.00 | 0.50 | 0.80 | 0.50 |
| Ni | 9.58.0 | 20.0-22.0 | 24.0-26.0 | 19.5-20.5 | 21.0-23.0 |
| Cr | 19.0-22.0 | 23.5-25.5 | 19.0-21.0 | 17.5-18.5 | 24.0-25.0 |
| Mo | 0.30-1.50 | 6.0-7.0 | 6.0-7.0 | 6.0-6.5 | 7.0-8.0 |
| Nitrogen | … | … | … | … | 0.45-0.55 |
| Copper | … | … | … | 0.30-0.60 |
Tensil Requirements
| Grade and UNS | Tensile strength min ksi [Mpa] | Yield strength min ksi [Mpa] | Elongation in 2in or 50mm min % | ||||||
| 304, 316 S30400, S31600 | 75 [515] | 30 [205] | 35 | ||||||
| 304L, 316L S30403, S31603 | 70 [485] | 25 [175] | 35 | ||||||
| XM-29 S24000 | 100 [690] | 55 [380] | 35 | ||||||
| 304N, 316N S30451, S31651 | 80 [550] | 35 [240] | 20 | ||||||
| 304LN, 316LN S30453, S31653 | 75 [515] | 30 [205] | 35 | ||||||
| N08367 t≤0.187 | 100 [690] | 45 [310] | 30 | ||||||
| N08367 t＞0.187 | 95 [655] | 45 [310] | 30 | ||||||
| N08926 | 94 [650] | 45 [310] | 35 | ||||||
| S31254 t≤0.187 | 100 [690] | 45 [310] | 35 | ||||||
| S21254 t＞0.187 | 95 [655] | 45 [310] | 35 | ||||||
| S32654 | 120 [825] | 65 [450] | 40 | ||||||
Permissible Variations in Dimensions
Group | Size, | Permissible | Permissible in WT, % | PermisibleVariations in Cut Length, | |
1 | Up to 1/2(12.7), excl | ±0.005[0.13] | ±15 | 1/8[3] | 0 |
2 | 1/2 to 1 1/2(12.7 to 38.1 excl | ±0.005[0.13] | ±10 | 1/8[3] | 0 |
3 | 1 1/2 to 3 1/2(38.1 to 88.9 excl | ±0.010[0.25] | ±10 | 3/16[5] | 0 |
4 | 3 1/2 to 5 1/2(88.9 to 139.7 excl | ±0.015[0.38] | ±10 | 3/16[5] | 0 |
5 | 5 1/2 to 5 1/2(139.7 to 230.2 excl | ±0.030[0.76] | ±10 | 3/16[5] | 0 |
Reference Documents:
ASTM STANDARDS
ASTM A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
ASTM A480 / A480 M Specification for General Requirements for Flat-Rolled Stainless and Heat-
Resisting Steel Plate, Sheet and Strip,
ASTM A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys.
ASTM A1016/ A1016 M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy
Steels, and Stainless Steel Tubes.
ASTM E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
SAE J1086 Practice for Numbering Metals and Alloys (UNS)
Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters
Inquiry Cart
0