Las especificaciones JIS G3429 se aplican a tubos de acero sin costura.
La tubería de acero sin costura JIS G3429 se utiliza para fabricar cilindros de gas de acero sin costura especificados en JIS B 8230 y JIS B 8241.
Método de fabricación JIS G3429:
(1) Fabricado mediante hogar abierto u horno eléctrico (sin costura).
(2) La tubería se fabrica sin tratamiento térmico.
Chemical Composition:
Class | C | Si | Mn | P | S | Ni | Cr | Mo |
---|---|---|---|---|---|---|---|---|
STH11 | 0.50 max | 0.10~0.35 | 1.80 max | 0.035max | 0.035max | - | - | - |
STH12 | 0.30~0.41 | 0.10~0.35 | 1.35~1.70 | 0.030max | 0.030max | - | - | - |
STH21 |
0.25~0.35 |
0.15~0.35 |
0.40~0.90 |
0.030max |
0.030max |
0.25 max |
0.80~1.20 |
0.15~0.30 |
STH22 |
0.33~0.38 |
0.15~0.35 |
0.40~0.90 |
0.030max |
0.030max |
0.25 max |
0.80~1.20 |
0.15~0.30 |
STH31 | 0.35~0.40 | 0.10~0.50 | 1.20~1.50 | 0.030max | 0.030max | 0.50~1.00 | 0.30~0.60 | 0.15~0.25 |
Tolerances:
Tolerance on outside diameter | Tolerance on wall thickness | Tolerance on wall thickness disparity | Tolerance on length |
---|---|---|---|
1% | +30% | Within 20% of the nominal wall thickness | >+30mm
0 |
Grado del material de la placa de acero al carbono
Posted: Oct 10, 2025Normas de fabricación de tubos de acero sin costura
Posted: Oct 09, 2025Pared interior rugosa de un tubo de acero al carbono sin costura
Posted: Sep 29, 2025Precio de tubería sin costura para mecanizado
Posted: Sep 28, 2025Continental Steel Co.,Ltd(CSC) is a pioneering manufacturer, stockist, and supplier of steel pipe products.