TORICH GB/T9948 12CrMo Seamless Steel Tubes Precision Steel Tube For Petrleum Cracking
Basic Properties
Place of Origin:
CHINA
Brand Name:
TORICH
Certification:
ISO9001 ISO14001
Model Number:
GB/T9948
Trading Properties
Minimum Order Quantity:
3ton
Price:
800-1200USD/TON
Payment Terms:
L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:
30000tons/year
Product Summary
TORICH GB/T9948 12CrMo Seamless Steel Tubes For Petrleum Cracking Table1:The Tolerances of Outer Diameter and Wall Thickness Unit:mm Sort Code Manufacuring Method Nominal Size Tolerances Common Level High Level W-H Hot Rolling (Extrusion) Outer Diameter D ≤54 ±0.50 ±0.30 ＞54~325 ±1%D ±0.75%D ＞325 ±1...
Product Details
Highlight:
precision seamless pipe
,precision pipes and tubes
Product Name:
TORICH GB/T9948 12CrMo Seamless Steel Tubes For Petrleum Cracking
Keyword:
Seamless Steel Tubes
Type:
Seamless Steel Tube
Surface:
Oiled
Material:
30CrMo ZT380
Usage:
Oil Pipe
Shape:
Round
Length:
2-12m
OD:
30-340mm
WT:
2-30mm
Product Description
TORICH GB/T9948 12CrMo Seamless Steel Tubes For Petrleum Cracking
Table1:The Tolerances of Outer Diameter and Wall Thickness Unit:mm
| Sort Code | Manufacuring Method | Nominal Size | Tolerances | ||
| Common Level | High Level | ||||
| W-H | Hot Rolling (Extrusion) | Outer Diameter D | ≤54 | ±0.50 | ±0.30 |
| ＞54~325 | ±1%D | ±0.75%D | |||
| ＞325 | ±1%D | - | |||
| Wall Thicknass S | ≤20 | +15%S -10%S | ±10%S | ||
| ＞20 | +12.5%S -10%S | ±10%S | |||
| Hot Expand | Outer Diameter D | All | ±1%D | ||
| Wall Thicknass S | All | ±15%S | |||
| W-C | Cold Drawn(Rolling) | Outer Diameter D | ≤25.4 | ±0.15 | |
| ＞25.4~40 | ±0.20 | ||||
| ＞40~50 | ±0.25 | ||||
| ＞50~60 | ±0.30 | ||||
| ＞60 | ±0.75%D | ±0.5%D | |||
| Wall Thicknass S | ≤3.0 | ±0.3 | ±0.2 | ||
| ＞3.0 | ±10%S | ±7.5%S | |||
Table2:The Tolerance of Minimum Wall Thickness Unit :mm
| Sort Code | Manufacturing Method | Minimum Wall Thickness Smin | Tolerance | |
| Common Level | High Level | |||
| W-H | Hot Rolling(Extrusion) | ≤4.0 | +0.90 0 | +0.70 0 |
| ＞4.0 | +25%Smin 0 | +22%Smin 0 | ||
| W-C | Cold Drawn(Rolling) | ≤3.0 | +0.6 0 | +0.4 0 |
| ＞3.0 | +20%Smin 0 | +15%Smin 0 | ||
Table3 Steel grade and chemical composition
| Steel grade | Chemical composition % | |||||||||||
| C | Si | Mn | Cr | Mo | Ni | Nb | Ti | V | Cu | P | S | |
| ≤ | ||||||||||||
| 10 | 0.07~ 0.13 | 0.17~ 0.37 | 0.35~ 0.65 | ≤0.15 | ≤0.15 | ≤ 0.25 | — | — | ≤0.08 | ≤0.20 | 0.025 | 0.015 |
| 20 | 0.17~ 0.23 | 0.17~ 0.37 | 0.35~ 0.65 | ≤0.25 | ≤0.15 | ≤ 0.25 | — | — | ≤0.08 | ≤0.20 | 0.025 | 0.015 |
| 12CrMo | 0.08~ 0.15 | 0.17~ 0.37 | 0.40~ 0.70 | 0.40~ 0.70 | 0.40~ 0.55 | ≤ 0.30 | — | — | — | ≤0.20 | 0.025 | 0.015 |
| 15CrMo | 0.12~ 0.018 | 0.17~ 0.37 | 0.40~ 0.70 | 0.80~ 1.10 | 0.40~ 0.55 | ≤ 0.30 | — | — | — | ≤0.20 | 0.025 | 0.015 |
| 12CrlMo | 0.08~ 0.15 | 0.50~ 1.00 | 0.30~ 0.60 | 1.00~ 1.50 | 0.45~ 0.65 | ≤ 0.30 | — | — | — | ≤0.20 | 0.025 | 0.015 |
| 12CrlMoV | 0.08~ 0.15 | 0.17~ 0.37 | 0.40~ 0.70 | 0.90~ 1.20 | 0.25~ 0.35 | ≤ 0.30 | — | — | 0.15~ 0.30 | ≤0.20 | 0.025 | 0.015 |
| 12Cr2Mo | 0.08~ 0.15 | ≤0.50 | 0.40~ 0.60 | 2.00~ 2.50 | 0.90~ 1.13 | ≤ 0.30 | — | — | — | ≤0.20 | 0.025 | 0.015 |
| 12Cr5MoI 12Cr5MoNT | ≤ 0.15 | ≤0.50 | 0.30~ 0.60 | 4.00~ 6.00 | 0.45~ 0.60 | ≤ 0.60 | — | — | — | ≤0.20 | 0.025 | 0.015 |
| 12Cr9MoI 12Cr9MoNT | ≤ 0.15 | 0.25~ 1.00 | 0.30~ 0.60 | 8.00~ 10.00 | 0.90~ 1.10 | ≤ 0.60 | — | — | — | ≤0.20 | 0.025 | 0.015 |
| 07Cr19Ni10 | 0.04~ 0.10 | ≤ 1.00 | ≤2.00 | 18.00~ 20.00 | — | 8.00~ 11.00 | — | — | — | — | 0.030 | 0.015 |
| 07Cr18Ni11Nb | 0.04~ 0.10 | ≤ 1.00 | ≤2.00 | 17.00~ 19.00 | — | 9.00~ 12.00 | 8C~ 1.10 | — | — | — | 0.030 | 0.015 |
| 07Cr19Ni11NTi | 0.04~ 0.10 | ≤0.75 | ≤2.00 | 17.00~ 20.00 | — | 9.00~ 13.00 | — | 4C~ 0.60 | — | — | 0.030 | 0.015 |
| 022Cr17Ni12Mo2 | ≤ 0.30 | ≤1.00 | ≤2.00 | 16.00~ 18.00 | 2.00~ 3.00 | 10.00~ 14.00 | — | — | — | — | 0.030 | 0.015 |
Related Products
-
Auto Parts ASTM A513 Cold Rolling Welded Steel Tubes with DOM Production
Auto Parts ASTM A513 Welded Steel Tubes with DOM production ASTM A513 Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing Applications: for Machinery, Mechanical Engineering 1. Standard: ASTM A513 cold rolling welded precision steel tubes 2. Steel Grade: SAE1010, SAE1020, other materials upon agreement with customers. 3. Production method: Cold rolling on the weled steel tubes, to reach high accuracy on the OD and WT tolerance 4. Size range: O.D.:6-350mm W.T. -
25mm Diameter Bright Annealing Seamless Steel Tube for Hydraulic Systems
EN10305-1 E235 E355 NBK Bright Annealing Precision Steel Pipes for Hydraulic Systems EN10305-1 NBK Bright Annealed Precision steel pipes for Hydraulic system OD:4-80 (mm) WT0.5-10 (mm) Length 1000-12000mm Product name: Seamless Precision Steel Pipe Application: for hydraulic systems precision steel pipes for Hydraulic system OD (mm) WT (mm) Length (mm) 4 0.5 5800-6000 4.0 1.0 5800-6000 5.0 1.0 5800-6000 6.0 1.0 5800-6000 6.0 1.5 5800-6000 8.0 1.0 5800-6000 9.5 0.89 5800-6000 -
Precision Seamless Black Phosphating Steel Tube for Hydraulic Systems
Steel Pipes with high precision for Hydraulic Systems with Black Phosphating surface Black Phosphated Hydraulic Tubes with High Precision and tight tolerance, the tubes are produced by precision cold drawn and cold rolling, then bright annealed in a protected atmosphere, afterwards it is blackphosphated on the surface Production process: DIN series tubes, cold drawn and bright annealed precision seamless steel tube is used as the tube to be phosphated. The phosphorization is -
Precision Seamless Galvanized Steel Tubes DIN2391 EN103052 ST35.0 ST37
Precision Seamless Galvanized Steel Tubes DIN2391 EN103052 ST35.0 ST37 Production Process: Cold rolling by Cold pilger machine and Cold rolling machine,galvanized and zinc plated could be applied. Cold Rolled and Galvanized Steel Tube Production process: DIN highly accurate, cold rolled and bright seamless steel tube is used as the tube to be galvanized. The outer wall of tube is electroplated. The caps are covered at two ends of tube to prevent from the dust. Main Features:
